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EP2571754B1 - Anchor point for floating structure - Google Patents

Anchor point for floating structure Download PDF

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Publication number
EP2571754B1
EP2571754B1 EP11725156.1A EP11725156A EP2571754B1 EP 2571754 B1 EP2571754 B1 EP 2571754B1 EP 11725156 A EP11725156 A EP 11725156A EP 2571754 B1 EP2571754 B1 EP 2571754B1
Authority
EP
European Patent Office
Prior art keywords
floating structure
anchor
rod
blocks
floating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP11725156.1A
Other languages
German (de)
French (fr)
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EP2571754A1 (en
Inventor
Philippe Veyrieres
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CUBISYSTEM SARL
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CUBISYSTEM SARL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR1053892A external-priority patent/FR2960210B1/en
Priority claimed from FR1053893A external-priority patent/FR2960207B1/en
Application filed by CUBISYSTEM SARL filed Critical CUBISYSTEM SARL
Publication of EP2571754A1 publication Critical patent/EP2571754A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/34—Pontoons
    • B63B35/38—Rigidly-interconnected pontoons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
    • B63B17/04—Stanchions; Guard-rails ; Bulwarks or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/02—Hulls assembled from prefabricated sub-units
    • B63B3/08—Hulls assembled from prefabricated sub-units with detachably-connected sub-units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
    • B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
    • B63B73/49—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods by means of threaded members, e.g. screws, threaded bolts or nuts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/04—Fastening or guiding equipment for chains, ropes, hawsers, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/32—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for collecting pollution from open water

Definitions

  • JP-A-9183399 describes a modular floating structure whose assembly of the floating blocks is carried out by means of the upper part of the metal anchoring pillars, while the pointed lower part of these anchoring pillars is firmly planted in the submarine soil to immobilize the structure in its destination location.
  • a structure is constituted by parallelepiped or cubic modular floating blocks whose vertical edges are provided at their upper end with a conical recess extending over 90 ° and, below this obviously, ears arranged at different levels. ; such that when four blocks are contiguous to each other, a conical housing is formed below which said lugs are aligned, said blocks being joined to each other by a connecting key having a conical upper part, which comes engage in the conical housing and a cylindrical lower part, which engages in the superimposed orifices of the ears.
  • the anchoring or fixing of the structures thus constituted is achieved by horizontal bars provided with lugs cooperating with the ears of said blocks so as to be traversed by keys, these bars being arranged on the side of said structures.
  • JP-H01-123995-U discloses a floating structure consisting of floating blocks, modular, parallelepiped whose vertical edges are provided with ears in which are inserted connecting elements. Some connecting elements between the floating blocks are used for fixing a rope disposed at the periphery of the floating structure and on which is attached a second rope for anchoring the floating structure.
  • a first object of the present invention is to provide an improvement in the stability of such structures in case of rough sea and, more particularly, to improve the stability of the structures described in the French patent. 2,699,495 VEYRIERES quoted above.
  • a floating structure of the type constituted by floating blocks, modular, parallelepipedic, whose vertical edges are provided with ears in which are inserted connection elements ensuring their assembly is characterized by the fact that said structure comprises one or more anchor points, which are located below and within said structure.
  • a second object that is not covered by the present invention is to enhance the functionality and applicability of a modular floating structure.
  • a floating structure of the type consisting of floating blocks, modular, parallelepipedic, the vertical edges of which are provided with ears in which connection elements are inserted to assemble said blocks is characterized by the fact that the connecting elements comprise a support key, which carries at its upper part a candlestick extending above an upper surface of the floating structure, said candlestick being provided with an eyelet adapted to constitute a fixing point for a net.
  • a basic idea is the modification of the connecting keys so that they can, in addition to their binding function, have a supporting function for various devices such as guardrails, aquaculture nets or nets for maintain oil slicks.
  • a floating structure can be used as an anti-pollution dam on a body of water. According to embodiments, the features can also be combined.
  • These blocks consisting of parallelepipedic structures with a square base are generally hollow synthetic material and are assembled to form a surface for the movement of people or equipment.
  • These structures have multiple applications such as floating pontoons, aquaculture ponds, recreational areas or the possibility of carrying out work on bodies of water. Because of their modular structure it is possible to create multiple geometric shapes according to the nature of their use.
  • the floating structure is constituted by blocks 1, which are modular, floating, parallelepipedic, the vertical edges of which are provided with lugs 3 in which are inserted connecting keys 2, which assures their assembly to each other .
  • Fixing such assemblies at a fixed point, for example mooring bollard, dock or anchor, is provided by bars such as the bar 4 which is provided with ears 5 which cooperate with the ears 3 of the blocks 1 located on the The structure of the structure is thus fixed on its sides to a fixed point such as a dock, a ship or anchor.
  • This side attachment mode has the disadvantage that when the sea is very agitated the edges of the structure plunge, the water passing over it, which affects its resistance.
  • one or more modified link keys are used to provide anchor points, as shown in FIG. figure 2 .
  • an anchor key 20 which has the same shape as the connecting key 2, its rod 21 having the same lugs 22 or grooves as those described in the patent 2,699,495 , which cooperate with the ears 3 to assemble the blocks 1; but the rod 21 of this anchoring key 20 is hollowed out with a bore 23 open at its lower end 32 opposite the surface 33, which is flush with the upper surface of the blocks 1.
  • a rope 24 preferably of synthetic material
  • the end loop 25 is traversed by a stop rod 26, preferably stainless steel, through two orifices 13 dug transversely to the rod 21 near the bottom 14 of the bore 23.
  • the rope 24 is attached by a shackle 27 to a mooring line 28, which may be a chain, which is fixed to a dead body 29 or to an anchor ( figure 3 ).
  • stop rod 26 disposed across the bore 23 and the rope 24 provide an anchor point of the structure 10, formed by the assembly of the blocks 1, which is arranged inside and below of said structure 10.
  • This arrangement provides many benefits. It makes it possible to place the anchoring point inside and below the floating structure without modifying the resistance of the system, because the anchoring key 20 plays the same role of fixing as the connecting keys 2.
  • the Anchoring works on four ears 3 and not just two as in the previous arrangement, which is an important advantage in heavy weather.
  • the fixing bars 4 of the figure 1 placed on the periphery of the floating structure, have the effect, when they are stowed at a fixed point either in heavy weather, or because of the current, to plunge the edge of the structure into the water, which offers resistance to the flow of waves and water.
  • the traction exerted under the floating structure 10 makes the edges of the blocks 1 located opposite the anchor point rise, which facilitates the passage of the waves and the flow of the water, all by preventing water from passing over the floating structure.
  • the metal parts such as the shackles 27 are permanently immersed, while the bar 4 and the ears 5 are sometimes in the air, sometimes water which accelerates their oxidation.
  • the stop rod 26 works in vertical support on a washer 30, which is itself resting on one of the lugs 3 of the block 1: it follows that these lugs 3 are no longer stressed in tension as in the device known to the figure 1 .
  • the superposition of four lugs 3 belonging to four blocks 1, whose anchoring key 20 assembles at their adjacent corners, has been sketched in broken lines.
  • one or more anchoring points can be arranged by means of one or more anchoring keys 20.
  • the rest of the structure 10 can be assembled by means of the connecting keys 2 and / or support keys 50 which will be described below.
  • This new method of anchoring with the advantage of preventing the floating structure from sinking into the waves in heavy weather, makes it possible to use it effectively for uses such as aquaculture or to form dams. floating and in particular floating dams to contain an oil spill.
  • the figure 4 represents a candlestick 40, carried by a support key 50, fulfilling the same function of connecting the parallelepipedic blocks 1 as the connecting key 2 of the figure 1 and the anchor key 20 of the figure 2 , and having a similar form.
  • the support key 50 can be made in one piece with the candlestick 40, for example high-density polyethylene resistant to exposure to ultraviolet radiation and hydrocarbons. A bright color can be used to improve visibility and safety, for example a bright yellow.
  • the support key 50 has a conical upper portion 99, which engages in the conical housing formed by the assembly of four blocks, such as the conical portion 51 of the anchoring key 20.
  • the support key 50 also comprises a cylindrical lower portion 52 and 53, the portion 52 having rotational locking means and the portion 53 being threaded to receive a nut 98, visible on the figure 7 .
  • the candlestick 40 has at regular intervals eyelets 41 to 44, which are attachment points for various devices, such as for example a net.
  • the figure 5 represents a floating structure 100 made of an assembly of floating blocks such as the blocks 1 of the figures 1 and 3 .
  • these blocks 1 are aligned three by three so as to achieve a structure in length.
  • a net 45 To these candlesticks is fixed a net 45. Because there are eyelets 41, 42, 43 and 44, this net can be fixed at different heights. A lead rope 46 keeps the net 45 immersed in a substantially vertical position.
  • the candlesticks can be arranged at will: at all blocks, or every two blocks or every three blocks or at any desired interval.
  • eyelets 41, 42 etc. at several levels it is possible to adapt the height of the net 45 according to sea conditions and the pollutant to prevent the passage of it over the floating structure 100.
  • candlesticks 40 also make it possible to easily raise the net 45 to put it in an inoperative position, for example folded on the surface 94, in order to preserve the ecosystem, where possible, for example during the movement and the installation. of the pollution control dam.
  • the candlesticks 40 may be, optionally, arranged along the edge 97 of the floating structure 10 or disposed within this structure between two rows of blocks 1, or at any other desired position, in particular at a outer corner of the floating structure 100. The latter possibility is illustrated on the Figures 7 to 10 .
  • the blocks 1 not having sharp angles it prevents the tear of the net 45.
  • the implementation is easy because the staff can easily walk and move on the floating structure; to improve security a handrail 90 can be attached to the highest eyelets 44.
  • the net 45 is fixed by garcette or carabiners which is very easy; the mesh size of the net can be adapted to the type of pollutant; the height of the net can be adapted to the conditions of the sea; the weight of the headline 46 can be adapted to the conditions of the site; we can adapt the depth to which the net plunges; the length and the shape of the floating structure 100 can be adapted as desired.
  • a buoy 93 can be added to the anchoring lines 28, which dampens the voltage variations of the lines 28 when the sea is agitated.
  • FIGS. 7 to 10 are four perspective views of the four ears I, II, III and IV, arranged at different levels.
  • the figure 7 represents ear I. As can be seen this ear I is disposed on a vertical edge of block 1, this edge being rounded, and it is placed at about half the height of this edge.
  • the rod 52, 53 of the support key 50 passes through the orifice of the lug I and is held in position by shims 54: a shim 54 above the lug I and two shims 54 below.
  • the figure 8 represents the ear II. It is disposed on another edge of the block 1, at a level a little lower than that of the ear I.
  • the rod 52/53 which passes through this ear II is held in position by wedges 54: two wedges 54 to- above and one below.
  • the figure 9 represents the ear III. It is arranged on a third edge of the block 1, at a level a little lower than that of the ear II. To hold the rod 52/53 there are four spacers 54 three above and one below.
  • the figure 10 represents the IV ear. It is arranged on the fourth edge of the block 1, at a level a little lower than that of the ear III. To hold the rod 52/53 there are five shims 54, four above and one below.
  • the figure 11 represents the assembly of two blocks 1 by means of a support key 50 passing through ears I and II.
  • the figure 12 represents the assembly of two blocks by means of a support key 50 passing through ears I and IV.
  • the figure 13 represents the assembly of two blocks 1 by means of a support key 50 passing through ears II and III.
  • the figure 14 represents the assembly of two blocks by means of a support key 50 passing through the ears III and IV.
  • connecting keys 2, anchoring keys 20 and support keys 50 can be used together, in any combination possible, to achieve a floating structure combining the stability advantage provided by the anchor keys 20 and the functionality of the support keys 50, in particular to achieve an anti-pollution barrier.
  • These keys 2, 20 and 50 can also be used independently of each other.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Artificial Fish Reefs (AREA)
  • Revetment (AREA)

Description

La présente invention concerne le domaine des blocs flottants modulaires destinés à constituer par assemblage des structures flottantesThe present invention relates to the field of modular floating blocks intended to constitute by assembly floating structures

L'assemblage de tels blocs modulaires a fait l'objet de nombreux brevets, tels que: US 4 604 962 GUIBAULT du 28 janvier 1985; Fr. 2 699 495 VEYRIERES du 23 décembre 1992 ; US 5931113 EVA du 12 septembre 1997 ; US 6 431 106 EVA du 8 juillet 1999 ; WO 2006/075831 HAN et al du 25 mai 2005 ; EP 2 138 393 PAKSZYS et al , dispositifs qui posent tous des problèmes de tenue à la mer, lorsque celle-ci est agitée, en particulier lorsque ces structures ne sont pas placées à l'abri d'un port.The assembly of such modular blocks has been the subject of numerous patents, such as: US 4,604,962 GUIBAULT of 28 January 1985; Fr. 2,699,495 VEYRIERES of December 23, 1992; US 5931113 EVA of 12 September 1997; US 6,431,106 EVA of 8 July 1999; WO 2006/075831 HAN et al, May 25, 2005; EP 2 138 393 PAKSZYS et al , all of which pose problems when the boat is rough, especially when these structures are not sheltered from a harbor.

JP-A-9183399 décrit une structure flottante modulaire dont l'assemblage des blocs flottants est réalisée au moyen de la partie supérieure des piliers d'ancrage métalliques, tandis que la partie inférieure pointue de ces piliers d'ancrage est fermement plantée dans le sol sous marin pour immobiliser la structure dans son emplacement de destination. JP-A-9183399 describes a modular floating structure whose assembly of the floating blocks is carried out by means of the upper part of the metal anchoring pillars, while the pointed lower part of these anchoring pillars is firmly planted in the submarine soil to immobilize the structure in its destination location.

Selon le brevet FR 2 699 495 , une structure est constituée par des blocs flottants modulaires parallélépipédiques ou cubiques dont les arêtes verticales sont munies à leur extrémité supérieure d'un évidemment conique s'étendant sur 90° et, en dessous de cet évidemment, d'oreilles disposées à des niveaux différents ; de telle sorte que, lorsque quatre blocs sont accolés les uns aux autres, se forme un logement conique en-dessous duquel sont alignées lesdites oreilles, lesdits blocs étant assemblés les uns aux autres par une clavette de liaison ayant une partie supérieure conique, qui vient s'engager dans le logement conique et une partie inférieure cylindrique, qui vient s'engager dans les orifices superposés des oreilles.According to the patent FR 2,699,495 a structure is constituted by parallelepiped or cubic modular floating blocks whose vertical edges are provided at their upper end with a conical recess extending over 90 ° and, below this obviously, ears arranged at different levels. ; such that when four blocks are contiguous to each other, a conical housing is formed below which said lugs are aligned, said blocks being joined to each other by a connecting key having a conical upper part, which comes engage in the conical housing and a cylindrical lower part, which engages in the superimposed orifices of the ears.

Selon ce brevet l'ancrage ou la fixation des structures ainsi constituées est réalisé par des barres horizontales munies d'oreilles venant coopérer avec les oreilles desdits blocs de façon à être traversées par des clavettes, ces barres étant disposées sur le coté desdites structures.According to this patent, the anchoring or fixing of the structures thus constituted is achieved by horizontal bars provided with lugs cooperating with the ears of said blocks so as to be traversed by keys, these bars being arranged on the side of said structures.

Il s'avère, à l'usage, que ce mode de fixation des structures flottantes ainsi réalisée n'est pas satisfaisant.It turns out, in use, that this method of fixing the floating structures thus produced is not satisfactory.

Le document JP-H01-123995-U divulgue une structure flottante constituée par des blocs flottants, modulaires, parallélépipédiques dont les arêtes verticales sont munies d'oreilles dans lesquelles sont insérés des éléments de liaison. Certains éléments de liaison entre les blocs flottants servent à la fixation d'une corde disposée en périphérie de la structure flottante et sur laquelle est attachée une seconde corde servant à l'ancrage de la structure flottante.The document JP-H01-123995-U discloses a floating structure consisting of floating blocks, modular, parallelepiped whose vertical edges are provided with ears in which are inserted connecting elements. Some connecting elements between the floating blocks are used for fixing a rope disposed at the periphery of the floating structure and on which is attached a second rope for anchoring the floating structure.

Un premier but de la présente invention est de fournir une amélioration de la stabilité de telles structures en cas de mer agitée et, de façon plus particulière, l'amélioration de la stabilité des structures décrites dans le brevet français 2 699 495 VEYRIERES cité plus haut.A first object of the present invention is to provide an improvement in the stability of such structures in case of rough sea and, more particularly, to improve the stability of the structures described in the French patent. 2,699,495 VEYRIERES quoted above.

Pour cela, selon la revendication 1, une structure flottante du type constituée par des blocs flottants, modulaires, parallélépipédiques, dont les arêtes verticales sont munies d'oreilles dans lesquelles sont insérées des éléments de liaison assurant leur assemblage, est caractérisée par le fait que ladite structure comporte un ou plusieurs points d'ancrage, qui sont situés en-dessous et à l'intérieur de ladite structure.For this, according to claim 1, a floating structure of the type constituted by floating blocks, modular, parallelepipedic, whose vertical edges are provided with ears in which are inserted connection elements ensuring their assembly, is characterized by the fact that said structure comprises one or more anchor points, which are located below and within said structure.

Selon des modes de réalisation de ce premier objet, la structure flottante peut comporter en outre une ou plusieurs des caractéristiques suivantes :

  • l'autre extrémité du filin est fixée à une ligne d'ancrage reliée à un corps mort ou à une ancre.
  • La structure flottante comporte une bouée disposée entre le filin et la ligne d'ancrage.
  • l'organe d'arrêt comporte une tige d'arrêt qui prend appui sur une rondelle, ladite rondelle prenant appui sur une des oreilles d'un bloc.
  • l'organe d'arrêt est disposé sensiblement horizontalement.
  • la tige de la clavette d'ancrage est disposée sensiblement verticalement.
  • la clavette d'ancrage comporte une partie supérieure conique surmontant la tige, ladite partie conique venant s'engager dans un logement conique, ledit logement conique étant formé, à l'interface de quatre blocs assemblés, par un coin coupé de chacun desdits blocs assemblés.
  • chaque bloc est muni à chacune de ses quatre arêtes d'une oreille, lesdites oreilles étant placées à des niveaux différents et présentant à chaque fois un perçage apte à recevoir la tige de la clavette d'ancrage.
According to embodiments of this first object, the floating structure may furthermore comprise one or more of the following characteristics:
  • the other end of the rope is attached to an anchor line connected to a dead body or anchor.
  • The floating structure comprises a buoy disposed between the rope and the anchor line.
  • the stop member comprises a stop rod which bears on a washer, said washer bearing on one of the ears of a block.
  • the stop member is disposed substantially horizontally.
  • the stem of the anchoring key is arranged substantially vertically.
  • the anchoring key comprises a conical upper portion surmounting the rod, said conical portion being engaged in a conical housing, said conical housing being formed, at the interface of four assembled blocks, by a cut corner of each of said assembled blocks .
  • each block is provided at each of its four edges with one ear, said ears being placed at different levels and each having a bore capable of receiving the stem of the anchoring key.

Un deuxième but qui n'est pas couvert par la présente invention est de renforcer la fonctionnalité et l'applicabilité d'une structure flottante modulaire.A second object that is not covered by the present invention is to enhance the functionality and applicability of a modular floating structure.

Pour cela, une structure flottante du type constituée par des blocs flottants, modulaires, parallélépipédiques, dont les arêtes verticales sont munies d'oreilles dans lesquelles sont insérés des éléments de liaison pour assembler lesdits blocs, est caractérisée par le fait que les éléments de liaison comportent une clavette de support, qui porte à sa partie supérieure un chandelier s'étendant au-dessus d'une surface supérieure de la structure flottante, ledit chandelier étant muni d'un oeillet apte à constituer un point de fixation pour un filet.For this purpose, a floating structure of the type consisting of floating blocks, modular, parallelepipedic, the vertical edges of which are provided with ears in which connection elements are inserted to assemble said blocks, is characterized by the fact that the connecting elements comprise a support key, which carries at its upper part a candlestick extending above an upper surface of the floating structure, said candlestick being provided with an eyelet adapted to constitute a fixing point for a net.

Une idée à la base est la modification des clavettes de liaison de façon que celles-ci puissent, outre leur fonction de liaison avoir une fonction de support pour des dispositifs variés tels que des garde-corps, des filets d'aquaculture ou des filets pour maintenir des nappes de gazole.A basic idea is the modification of the connecting keys so that they can, in addition to their binding function, have a supporting function for various devices such as guardrails, aquaculture nets or nets for maintain oil slicks.

Selon des exemples la structure flottante peut comporter en outre une ou plusieurs des caractéristiques suivantes:

  • la clavette de support comporte une partie inférieure cylindrique insérée dans les oreilles de plusieurs blocs adjacents, ladite partie inférieure cylindrique étant munie de moyens de blocage pour bloquer la clavette de support en rotation par rapport auxdites oreilles, ainsi qu'une partie supérieure conique qui vient s'engager dans un logement conique formé, à l'interface des blocs adjacents, par un coin coupé de chacun desdits blocs adjacents.
  • la partie inférieure cylindrique de la clavette de support comporte une portion d'extrémité filetée apte à recevoir un écrou pour fixer fermement la clavette de support dans les oreilles des blocs.
  • au moins une cale engagée sur la partie inférieure cylindrique de la clavette de support à une position sélectionnée dans le groupe consistant en une position inférieure entre l'écrou et une oreille, une position intermédiaire entre deux oreilles et une position supérieure entre une oreille et la partie supérieure conique.
  • un bloc est muni à chacune de ses quatre arêtes d'une oreille, lesdites oreilles étant placées à des niveaux différents et présentant à chaque fois un perçage apte à recevoir la partie inférieure cylindrique de la clavette de support.
  • une pluralité de clavettes de support sont disposées le long d'un bord de la structure flottante, les chandeliers desdites clavettes de support portant un filet attaché aux oeillets, ledit filet s'étendant au-dessous d'une surface inférieure des blocs et étant lesté au niveau de son bord inférieur.
  • les chandeliers maintiennent une portion supérieure du filet au-dessus de la surface supérieure des blocs.
  • le chandelier de la clavette de support est muni d'une pluralité d'oeillets disposés à intervalles réguliers le long de sa hauteur.
  • un point d'ancrage de la structure flottante est situé en-dessous et à l'intérieur de ladite structure, ledit point d'ancrage étant relié par un filin à un point fixe, de préférence par l'intermédiaire d'un flotteur.
According to examples, the floating structure may further comprise one or more of the following characteristics:
  • the support key has a cylindrical lower part inserted into the lugs of several adjacent blocks, said cylindrical lower part being provided with locking means for locking the support key in rotation relative to said lugs, as well as a tapered upper part which comes engage in a conical housing formed, at the interface of the adjacent blocks, by a cut corner of each of said adjacent blocks.
  • the cylindrical lower portion of the support key has a threaded end portion adapted to receive a nut for firmly securing the support key in the ears of the blocks.
  • at least one shim engaged on the cylindrical lower portion of the support key at a position selected from the group consisting of a lower position between the nut and an ear, a position intermediate between two ears and an upper position between an ear and the conical upper part.
  • a block is provided at each of its four edges with an ear, said ears being placed at different levels and each having a bore adapted to receive the lower cylindrical portion of the support key.
  • a plurality of support keys are arranged along an edge of the floating structure, the stanchions of said support keys carrying a net attached to the eyelets, said net extending below a lower surface of the blocks and being weighted at its lower edge.
  • the candlesticks hold an upper portion of the net above the upper surface of the blocks.
  • the stand of the support key is provided with a plurality of eyelets arranged at regular intervals along its height.
  • an anchoring point of the floating structure is located below and inside said structure, said anchor point being connected by a rope to a fixed point, preferably via a float.

Une structure flottante peut être utilisée en tant que barrage anti-pollution sur un plan d'eau. Selon des modes de réalisation, les caractéristiques peuvent aussi être combinées.A floating structure can be used as an anti-pollution dam on a body of water. According to embodiments, the features can also be combined.

L'invention sera mieux comprise, et d'autres buts, détails, caractéristiques et avantages de celle-ci apparaîtront plus clairement au cours de la description suivante de plusieurs modes de réalisation particuliers de l'invention, donnés uniquement à titre illustratif et non limitatif, en référence aux dessins annexés. Sur ces dessins :

  • La figure 1 représente la fixation de la structure flottante du brevet 2 699 495 au moyen de barres latérales.
  • La figure 2 représente une clavette de liaison formant un moyen d'ancrage, utilisable dans une structure flottante.
  • La figure 3 illustre de façon schématique une structure flottante ancrée par la clavette de la figure 2.
  • La figure 4 représente une clavette de support portant un chandelier utilisable dans une structure flottante.
  • La figure 5 est une vue en élévation latérale d'une structure selon un mode de réalisation de l'invention munie de chandeliers selon la figure 4 portant un filet, utilisable en tant que barrage antipollution.
  • La figure 6 est une vue de dessus de la structure de la figure 5.
  • Les figures 7 à 10 sont quatre vues en perspective représentant les quatre oreilles d'un bloc pouvant être utilisé pour réaliser des structures flottantes, disposées à quatre niveaux différents.
  • La figure 11 illustre l'assemblage de la clavette de support de la figure 4 à des oreilles I et II.
  • La figure 12 illustre l'assemblage à des oreilles I et IV.
  • La figure 13 illustre l'assemblage à des oreilles II et III.
  • La figure 14 illustre l'assemblage à des oreilles III et IV.
The invention will be better understood, and other objects, details, characteristics and advantages thereof will appear more clearly in the course of the following description of several particular embodiments of the invention, given solely for illustrative and non-limiting purposes. with reference to the accompanying drawings. On these drawings:
  • The figure 1 represents the fixation of the floating structure of the patent 2,699,495 by means of lateral bars.
  • The figure 2 represents a connecting key forming an anchoring means, usable in a floating structure.
  • The figure 3 schematically illustrates a floating structure anchored by the key of the figure 2 .
  • The figure 4 represents a support key carrying a candlestick that can be used in a floating structure.
  • The figure 5 is a side elevational view of a structure according to one embodiment of the invention provided with candlesticks according to the figure 4 carrying a net, usable as an anti-pollution boom.
  • The figure 6 is a top view of the structure of the figure 5 .
  • The Figures 7 to 10 are four perspective views representing the four ears of a block that can be used to make floating structures, arranged at four different levels.
  • The figure 11 illustrates the assembly of the support key of the figure 4 to ears I and II.
  • The figure 12 illustrates the assembly to ears I and IV.
  • The figure 13 illustrates the assembly to ears II and III.
  • The figure 14 illustrates the assembly to ears III and IV.

Ces blocs, constitués de structures parallélépipédiques à base carrée sont de manière générale en matière synthétique creuse et sont assemblés de façon à former une surface permettant la circulation de personnes ou de matériel. Ces structures ont de multiples applications telles que des pontons flottants, des bassins d'aquaculture, des surfaces de loisirs ou encore la possibilité d'effectuer des travaux sur des plans d'eau. Du fait de leur structure modulaire il est possible de créer des formes géométriques multiples selon la nature de leur utilisation.These blocks, consisting of parallelepipedic structures with a square base are generally hollow synthetic material and are assembled to form a surface for the movement of people or equipment. These structures have multiple applications such as floating pontoons, aquaculture ponds, recreational areas or the possibility of carrying out work on bodies of water. Because of their modular structure it is possible to create multiple geometric shapes according to the nature of their use.

Sur la figure 1 on voit que la structure flottante est constituée par des blocs 1, qui sont modulaires, flottants, parallélépipédiques, dont les arêtes verticales sont munies d'oreilles 3 dans lesquelles sont insérées des clavettes de liaison 2, ce qui assure leur assemblage les uns aux autres. La fixation de tels assemblages à un point fixe, par exemple bitte d'amarrage, quai ou ancre, est assurée par des barres telles que la barre 4 qui est munie d'oreilles 5 qui coopèrent avec les oreilles 3 des blocs 1 situés sur les bords de la structure, de façon à être traversées par des goupilles de fixation 12. La structure flottante est donc fixée sur ses cotés à un point fixe tel qu'un quai, un navire ou encore ancre.On the figure 1 it can be seen that the floating structure is constituted by blocks 1, which are modular, floating, parallelepipedic, the vertical edges of which are provided with lugs 3 in which are inserted connecting keys 2, which assures their assembly to each other . Fixing such assemblies at a fixed point, for example mooring bollard, dock or anchor, is provided by bars such as the bar 4 which is provided with ears 5 which cooperate with the ears 3 of the blocks 1 located on the The structure of the structure is thus fixed on its sides to a fixed point such as a dock, a ship or anchor.

Ce mode de fixation latéral présente l'inconvénient que lorsque la mer est très agitée les bords de la structure plongent, l'eau passant par-dessus, ce qui nuit à sa résistance.This side attachment mode has the disadvantage that when the sea is very agitated the edges of the structure plunge, the water passing over it, which affects its resistance.

Pour remédier à ce grave inconvénient, dans un mode de réalisation représenté aux figures 2 et 3, on propose de fixer la structure flottante en disposant des points d'ancrage à l'intérieur et en-dessous de ladite structure. Cela peut être effectué sans modifier son système d'assemblage.To overcome this serious disadvantage, in one embodiment shown in figures 2 and 3 it is proposed to fix the floating structure by arranging anchoring points inside and below said structure. This can be done without changing its assembly system.

Dans ce but on utilise une ou plusieurs clavettes de liaison modifiées pour fournir des points d'ancrage, comme cela est représenté à la figure 2.For this purpose one or more modified link keys are used to provide anchor points, as shown in FIG. figure 2 .

En se reportant à cette figure, on voit une clavette d'ancrage 20 qui a la même forme que la clavette de liaison 2, sa tige 21 comportant les mêmes ergots 22 ou rainures que ceux décrits dans le brevet 2 699 495 , qui coopèrent avec les oreilles 3 pour assurer l'assemblage des blocs 1 ; mais la tige 21 de cette clavette d'ancrage 20 est creusée d'un alésage 23 ouvert à son extrémité inférieure 32 opposée à la surface 33, qui affleure au niveau de la surface supérieure des blocs 1.Referring to this figure, we see an anchor key 20 which has the same shape as the connecting key 2, its rod 21 having the same lugs 22 or grooves as those described in the patent 2,699,495 , which cooperate with the ears 3 to assemble the blocks 1; but the rod 21 of this anchoring key 20 is hollowed out with a bore 23 open at its lower end 32 opposite the surface 33, which is flush with the upper surface of the blocks 1.

Dans l'alésage 23 de la tige 21 est introduit un filin 24, de préférence en matière synthétique, dont la boucle terminale 25 est traversée par une tige d'arrêt 26, de préférence en acier inoxydable, traversant deux orifices 13 creusés transversalement à la tige 21 à proximité du fond 14 de l'alésage 23.In the bore 23 of the rod 21 is introduced a rope 24, preferably of synthetic material, the end loop 25 is traversed by a stop rod 26, preferably stainless steel, through two orifices 13 dug transversely to the rod 21 near the bottom 14 of the bore 23.

A son autre extrémité le filin 24 est rattaché par une manille 27 à une ligne d'amarrage 28, qui peut être une chaîne, laquelle est fixée à un corps mort 29 ou à une ancre (figure 3).At its other end, the rope 24 is attached by a shackle 27 to a mooring line 28, which may be a chain, which is fixed to a dead body 29 or to an anchor ( figure 3 ).

On voit sur la figure 3 que la tige d'arrêt 26 disposée en travers de l'alésage 23 et le filin 24 fournissent un point d'ancrage de la structure 10, formée par l'assemblage des blocs 1, qui est disposé à l'intérieur et en-dessous de ladite structure 10.We see on the figure 3 that the stop rod 26 disposed across the bore 23 and the rope 24 provide an anchor point of the structure 10, formed by the assembly of the blocks 1, which is arranged inside and below of said structure 10.

Cette disposition procure de nombreux avantages. Elle permet de placer le point d'ancrage à l'intérieur et en-dessous de la structure flottante sans modifier la tenue du système, car la clavette d'ancrage 20 joue le même rôle de fixation que les clavettes de liaison 2. L'ancrage travaille sur quatre oreilles 3 et non pas seulement deux comme dans la disposition antérieure, ce qui est un avantage important par gros temps.This arrangement provides many benefits. It makes it possible to place the anchoring point inside and below the floating structure without modifying the resistance of the system, because the anchoring key 20 plays the same role of fixing as the connecting keys 2. The Anchoring works on four ears 3 and not just two as in the previous arrangement, which is an important advantage in heavy weather.

Les barres de fixation 4 de la figure 1, placées sur le pourtour de la structure flottante, ont pour effet, lorsqu'elles sont arrimées à un point fixe soit par gros temps, soit à cause du courant, de faire plonger le bord de la structure dans l'eau, ce qui offre une résistance à l'écoulement des vagues et de l'eau. Avec la disposition de la figure 3, au contraire, la traction s'exerçant sous la structure flottante 10 fait se relever les bords des blocs 1 situés à l'opposé du point d'ancrage, ce qui facilite le passage des vagues et l'écoulement de l'eau, tout en empêchant que de l'eau passe par dessus la structure flottante.The fixing bars 4 of the figure 1 , placed on the periphery of the floating structure, have the effect, when they are stowed at a fixed point either in heavy weather, or because of the current, to plunge the edge of the structure into the water, which offers resistance to the flow of waves and water. With the provision of the figure 3 on the contrary, the traction exerted under the floating structure 10 makes the edges of the blocks 1 located opposite the anchor point rise, which facilitates the passage of the waves and the flow of the water, all by preventing water from passing over the floating structure.

De plus, les pièces métalliques comme les manilles 27 sont en permanence immergées, alors que la barre 4 et les oreilles 5 sont tantôt à l'air, tantôt à l'eau ce qui accélère leur oxydation.In addition, the metal parts such as the shackles 27 are permanently immersed, while the bar 4 and the ears 5 are sometimes in the air, sometimes water which accelerates their oxidation.

En se reportant à la figure 2 on voit que la tige d'arrêt 26 travaille en appui vertical sur une rondelle 30, qui est elle-même en appui sur une des oreilles 3 du bloc 1 : il en résulte que ces oreilles 3 ne sont plus sollicitées en traction comme dans le dispositif connu de la figure 1. Sur la figure 2, on a esquissé en trait interrompu la superposition de quatre oreilles 3 appartenant à quatre blocs 1 dont la clavette d'ancrage 20 assure l'assemblage au niveau de leurs coins adjacents.Referring to the figure 2 it can be seen that the stop rod 26 works in vertical support on a washer 30, which is itself resting on one of the lugs 3 of the block 1: it follows that these lugs 3 are no longer stressed in tension as in the device known to the figure 1 . On the figure 2 the superposition of four lugs 3 belonging to four blocks 1, whose anchoring key 20 assembles at their adjacent corners, has been sketched in broken lines.

Il est bien évident que l'on peut disposer un ou plusieurs points d'ancrage au moyen d'une ou plusieurs clavettes d'ancrage 20. Le reste de la structure 10 peut être assemblé au moyen des clavettes de liaison 2 et/ou de clavettes de support 50 qui vont être décrites ci-dessous.It is obvious that one or more anchoring points can be arranged by means of one or more anchoring keys 20. The rest of the structure 10 can be assembled by means of the connecting keys 2 and / or support keys 50 which will be described below.

Ce nouveau mode d'ancrage, présentant l'avantage d'empêcher que la structure flottante ne s'enfonce dans la vague par gros temps, permet de l'employer de manière efficace pour des utilisations comme l'aquaculture ou encore pour former des barrages flottants et en particulier des barrages flottants pour contenir une marée noire.This new method of anchoring, with the advantage of preventing the floating structure from sinking into the waves in heavy weather, makes it possible to use it effectively for uses such as aquaculture or to form dams. floating and in particular floating dams to contain an oil spill.

La figure 4 représente un chandelier 40, porté par une clavette de support 50, remplissant la même fonction de liaison des blocs parallélépipédiques 1 que la clavette de liaison 2 de la figure 1 et la clavette d'ancrage 20 de la figure 2, et ayant une forme analogue. La clavette de support 50 peut être réalisée d'une seule pièce avec le chandelier 40, par exemple en polyéthylène haute densité résistant à l'exposition au rayonnement ultraviolet et aux hydrocarbures. Une couleur vive peut être employée pour améliorer la visibilité et la sécurité, par exemple un jaune vif.The figure 4 represents a candlestick 40, carried by a support key 50, fulfilling the same function of connecting the parallelepipedic blocks 1 as the connecting key 2 of the figure 1 and the anchor key 20 of the figure 2 , and having a similar form. The support key 50 can be made in one piece with the candlestick 40, for example high-density polyethylene resistant to exposure to ultraviolet radiation and hydrocarbons. A bright color can be used to improve visibility and safety, for example a bright yellow.

La clavette de support 50 comporte une partie supérieure conique 99, qui vient s'engager dans le logement conique formé par l'assemblage de quatre blocs, comme la partie conique 51 de la clavette d'ancrage 20. La clavette de support 50 comporte aussi une partie inférieure cylindrique 52 et 53, la partie 52 comportant des moyens de blocage en rotation et la partie 53 étant filetée pour recevoir un écrou 98, visible sur la figure 7.The support key 50 has a conical upper portion 99, which engages in the conical housing formed by the assembly of four blocks, such as the conical portion 51 of the anchoring key 20. The support key 50 also comprises a cylindrical lower portion 52 and 53, the portion 52 having rotational locking means and the portion 53 being threaded to receive a nut 98, visible on the figure 7 .

Le chandelier 40 comporte à intervalles réguliers des oeillets 41 à 44, qui sont des points de fixation pour des dispositifs divers, tels par exemple un filet.The candlestick 40 has at regular intervals eyelets 41 to 44, which are attachment points for various devices, such as for example a net.

La figure 5 représente une structure flottante 100 faite d'un assemblage de blocs flottants tels que les blocs 1 des figures 1 et 3.The figure 5 represents a floating structure 100 made of an assembly of floating blocks such as the blocks 1 of the figures 1 and 3 .

Comme on le voit sur la figure 6 ces blocs 1 sont alignés trois par trois de façon à réaliser une structure en longueur.As we see on the figure 6 these blocks 1 are aligned three by three so as to achieve a structure in length.

Sur cette structure flottante 100 en longueur sont disposés des chandeliers 40, portés chacun par une clavette telle que la clavette de support 50 de la figure 4.On this floating structure 100 in length are arranged candlesticks 40, each carried by a key such as the support key 50 of the figure 4 .

A ces chandeliers est fixé un filet 45. Du fait qu'il existe des oeillets 41, 42, 43 et 44, ce filet peut être fixé à différentes hauteurs. Une ralingue plombée 46 maintient le filet 45 immergé en position sensiblement verticale.To these candlesticks is fixed a net 45. Because there are eyelets 41, 42, 43 and 44, this net can be fixed at different heights. A lead rope 46 keeps the net 45 immersed in a substantially vertical position.

Pour un barrage anti-pollution on peut disposer les chandeliers à volonté : à tous les blocs, ou tous les deux blocs ou tous les trois blocs ou à tout intervalle voulu.For an anti-pollution dam the candlesticks can be arranged at will: at all blocks, or every two blocks or every three blocks or at any desired interval.

Comme il y a des oeillets 41, 42 etc. à plusieurs niveaux il est possible d'adapter la hauteur du filet 45 en fonction des conditions de mer et du polluant afin d'éviter le passage de celui-ci par dessus la structure flottante 100.As there are eyelets 41, 42 etc. at several levels it is possible to adapt the height of the net 45 according to sea conditions and the pollutant to prevent the passage of it over the floating structure 100.

On peut ainsi régler l'importance de la partie supérieure 95 du filet 45, qui s'élève au-dessus de la surface 94 des blocs 1 et, par conséquent l'importance de la partie inférieure dudit filet 45, qui s'enfonce en-dessous de la face inférieure 96 desdits blocs 1.It is thus possible to adjust the importance of the upper part 95 of the net 45, which rises above the surface 94 of the blocks 1 and, consequently, the importance of the lower part of said net 45, which sinks in below the lower face 96 of said blocks 1.

Ces chandeliers 40 permettent également de relever facilement le filet 45 pour le mettre en position non opérationnelle, par exemple replié sur la surface 94, afin de préserver l'écosystème, lorsque cela est possible, par exemple lors du déplacement et de la mise en place du barrage antipollution.These candlesticks 40 also make it possible to easily raise the net 45 to put it in an inoperative position, for example folded on the surface 94, in order to preserve the ecosystem, where possible, for example during the movement and the installation. of the pollution control dam.

Les chandeliers 40 peuvent être, au choix, disposés le long du bord 97 de la structure flottante 10 ou bien disposés à l'intérieur de cette structure entre deux rangées de blocs 1, ou à toute autre position souhaitée, notamment au niveau d'un coin extérieur de la structure flottante 100. Cette dernière possibilité est illustrée sur les figures 7 à 10.The candlesticks 40 may be, optionally, arranged along the edge 97 of the floating structure 10 or disposed within this structure between two rows of blocks 1, or at any other desired position, in particular at a outer corner of the floating structure 100. The latter possibility is illustrated on the Figures 7 to 10 .

Les blocs 1 ne présentant pas d'angles vifs cela évite la déchirure du filet 45. La mise en oeuvre est facile parce que le personnel peut facilement marcher et se déplacer sur la structure flottante ; pour améliorer la sécurité une main-courante 90 peut être fixée sur les oeillets 44 les plus hauts.The blocks 1 not having sharp angles it prevents the tear of the net 45. The implementation is easy because the staff can easily walk and move on the floating structure; to improve security a handrail 90 can be attached to the highest eyelets 44.

Les avantages de cette disposition sont nombreux : le filet 45 est fixé par garcette ou mousquetons ce qui est très facile ; on peut adapter le maillage du filet au type de polluant ; on peut adapter la hauteur du filet aux conditions de la mer ; on peut adapter le poids de la ralingue 46 aux conditions du site ; on peut adapter la profondeur à laquelle plonge le filet ; on peut adapter à volonté la longueur et la forme de la structure flottante 100.The advantages of this arrangement are numerous: the net 45 is fixed by garcette or carabiners which is very easy; the mesh size of the net can be adapted to the type of pollutant; the height of the net can be adapted to the conditions of the sea; the weight of the headline 46 can be adapted to the conditions of the site; we can adapt the depth to which the net plunges; the length and the shape of the floating structure 100 can be adapted as desired.

De préférence, comme cela est représenté aux figures 5 et 6 on peut ajouter aux lignes d'ancrage 28 une bouée 93, qui amortit les variations de tensions des lignes 28 quand la mer est agitée.Preferably, as shown in Figures 5 and 6 a buoy 93 can be added to the anchoring lines 28, which dampens the voltage variations of the lines 28 when the sea is agitated.

Les figures 7 à 10 sont quatre vues en perspective des quatre oreilles I, II, III et IV, disposées à des niveaux différents.The Figures 7 to 10 are four perspective views of the four ears I, II, III and IV, arranged at different levels.

La figure 7 représente l'oreille I. Comme on le voit cette oreille I est disposée sur une arête verticale du bloc 1, cette arête étant arrondie, et elle est placée à environ mi-hauteur de cette arête.The figure 7 represents ear I. As can be seen this ear I is disposed on a vertical edge of block 1, this edge being rounded, and it is placed at about half the height of this edge.

La tige 52, 53 de la clavette de support 50 traverse l'orifice de l'oreille I et est maintenue en position par des cales 54 : une cale 54 au-dessus de l'oreille I et deux cales 54 en-dessous.The rod 52, 53 of the support key 50 passes through the orifice of the lug I and is held in position by shims 54: a shim 54 above the lug I and two shims 54 below.

La figure 8 représente l'oreille II. Elle est disposée sur une autre arête du bloc 1, à un niveau un peu plus bas que celui de l'oreille I. La tige 52/53 qui traverse cette oreille II est maintenue en position par des cales 54 : deux cales 54 au-dessus et une en-dessous.The figure 8 represents the ear II. It is disposed on another edge of the block 1, at a level a little lower than that of the ear I. The rod 52/53 which passes through this ear II is held in position by wedges 54: two wedges 54 to- above and one below.

La figure 9 représente l'oreille III. Elle est disposée sur une troisième arête du bloc 1, à un niveau un peu plus bas que celui de l'oreille II. Pour maintenir la tige 52/53 il y a quatre cales 54 trois au-dessus et une en-dessous.The figure 9 represents the ear III. It is arranged on a third edge of the block 1, at a level a little lower than that of the ear II. To hold the rod 52/53 there are four spacers 54 three above and one below.

La figure 10 représente l'oreille IV. Elle est disposée sur la quatrième arête du bloc 1, à un niveau un peu plus bas que celui de l'oreille III. Pour maintenir la tige 52/53 il y a cinq cales 54, quatre au-dessus et une en-dessous.The figure 10 represents the IV ear. It is arranged on the fourth edge of the block 1, at a level a little lower than that of the ear III. To hold the rod 52/53 there are five shims 54, four above and one below.

La figure 11 représente l'assemblage de deux blocs 1 au moyen d'une clavette de support 50 traversant des oreilles I et II. La figure 12 représente l'assemblage de deux blocs au moyen d'une clavette de support 50 traversant des oreilles I et IV. La figure 13 représente l'assemblage de deux blocs1 au moyen d'une clavette de support 50 traversant des oreilles II et III. La figure 14 représente l'assemblage de deux blocs au moyen d'une clavette de support 50 traversant des oreilles III et IV.The figure 11 represents the assembly of two blocks 1 by means of a support key 50 passing through ears I and II. The figure 12 represents the assembly of two blocks by means of a support key 50 passing through ears I and IV. The figure 13 represents the assembly of two blocks 1 by means of a support key 50 passing through ears II and III. The figure 14 represents the assembly of two blocks by means of a support key 50 passing through the ears III and IV.

Dans toutes les figures 7 à 14 les cales 54 sont serrées entre et de part et d'autre des oreilles I, II, III, IV par serrage de l'écrou 98 sur la partie filetée 53 de la tige, ce qui permet de fixer fermement les clavettes support 50 à la structure flottante 100.In all Figures 7 to 14 the shims 54 are clamped between and on either side of the lugs I, II, III, IV by clamping the nut 98 on the threaded portion 53 of the rod, which makes it possible to firmly fix the support keys 50 to the floating structure 100.

Bien que l'invention ait été décrite en liaison avec plusieurs modes de réalisation particuliers, il est bien évident qu'elle n'y est nullement limitée et qu'elle comprend tous les équivalents techniques des moyens décrits ainsi que leurs combinaisons si celles-ci entrent dans le cadre de l'invention. En particulier, des clavettes de liaison 2, des clavettes d'ancrage 20 et des clavettes de support 50 peuvent être employées ensemble, selon toutes les combinaison possibles, pour réaliser une structure flottante combinant l'avantage de stabilité procuré par les clavettes d'ancrage 20 et la fonctionnalité des clavettes de support 50, notamment pour réaliser un barrage antipollution. Ces clavettes 2, 20 et 50 peuvent aussi être utilisées indépendamment les unes des autres.Although the invention has been described in connection with several particular embodiments, it is obvious that it is not limited thereto and that it comprises all the technical equivalents of the means described and their combinations if they are within the scope of the invention. In particular, connecting keys 2, anchoring keys 20 and support keys 50 can be used together, in any combination possible, to achieve a floating structure combining the stability advantage provided by the anchor keys 20 and the functionality of the support keys 50, in particular to achieve an anti-pollution barrier. These keys 2, 20 and 50 can also be used independently of each other.

L'usage du verbe « comporter », « comprendre » ou « inclure » et de ses formes conjuguées n'exclut pas la présence d'autres éléments ou d'autres étapes que ceux énoncés dans une revendication. L'usage de l'article indéfini « un » pour un élément n'exclut pas, sauf mention contraire, la présence d'une pluralité de tels éléments.The use of the verb "to include", "to understand" or "to include" and its conjugated forms does not exclude the presence of other elements or steps other than those set out in a claim. The use of the indefinite article "a" for an element does not exclude, unless otherwise stated, the presence of a plurality of such elements.

Dans les revendications, tout signe de référence entre parenthèses ne saurait être interprété comme une limitation de la revendication.In the claims, any reference sign in parentheses can not be interpreted as a limitation of the claim.

Claims (8)

  1. Floating structure (10) of the type made up of floating, modular, parallelepiped blocks (1), whose vertical edges are fitted with lugs (3) in which connection elements (2, 20) are inserted, each one including a rod (21) inserted in the lugs (3) of several adjacent blocks to join the said blocks, one or more of the said connection elements (2, 20) forming an anchor wedge (20) and each one providing an anchor point for the said structure, each anchor point also including a rope (24) fixed to the rod (21) of the connection element (2, 20) forming the anchor wedge (20), the said floating structure being characterised in that the anchor points are located below and inside the said structure, in that the rope (24) is fixed to the rod (21) of the connection element (2, 20) forming the anchor wedge in such a way that it stretches below the floating structure from the lower end of the rod (21) and in that the rod (21) of the connection element (2, 20) forming an anchor wedge (20) includes a bore (23) receiving the rope (24) fixed at one of its ends to the said rod (21) by a detent (26).
  2. Floating structure according to claim 1, characterised by the fact that the other end of the rope is fixed to an anchor line (28) connected to an anchor block (29) or an anchor.
  3. Floating structure according to claim 2, characterised by the fact that it includes a buoy (93) placed between the rope and the anchor line.
  4. Floating structure according to one of the claims 1 to 3, characterised by the fact that the detent includes a stop rod (26) that is supported on a washer (30), the said washer is supported on one of the lugs (3) of a block (1).
  5. Floating structure according to one of the claims 1 to 4, characterised by the fact that the placement of the detent is distinctly horizontal.
  6. Floating structure according to one of the claims 1 to 5, characterised by the fact that the placement of the rod (21) of the anchor wedge is distinctly vertical.
  7. Floating structure according to one of the claims 1 to 6, characterised by the fact that the anchor wedge (20) includes a conical upper part (51) mounted on top of the rod, the said conical part is inserted in a conical housing, the said conical housing being formed at the interface of four blocks (1) assembled by a corner cut from each of the said assembled blocks.
  8. Floating structure according to one of the claims 1 to 8, characterised by the fact that all four edges of each block (1) are equipped with a lug (I, II, III, IV), the said lugs being placed at different levels and each one having a bore suitable to receive the rod (21) of the anchor wedge (20).
EP11725156.1A 2010-05-19 2011-05-11 Anchor point for floating structure Active EP2571754B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1053892A FR2960210B1 (en) 2010-05-19 2010-05-19 FLOATING STRUCTURE HAVING SUPPORTS
FR1053893A FR2960207B1 (en) 2010-05-19 2010-05-19 ANCHOR POINT FOR FLOATING STRUCTURE
PCT/FR2011/051058 WO2011144841A1 (en) 2010-05-19 2011-05-11 Anchor point for floating structure

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EP2571754A1 EP2571754A1 (en) 2013-03-27
EP2571754B1 true EP2571754B1 (en) 2017-10-18

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PT2571754T (en) 2018-01-16
US20110286798A1 (en) 2011-11-24
US8790039B2 (en) 2014-07-29
ES2655895T3 (en) 2018-02-22
WO2011144841A1 (en) 2011-11-24
EP2571754A1 (en) 2013-03-27

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