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FR2650849A3 - RETAINING WALL WITH GEOTEXTILE REINFORCEMENTS AND PARPAING FOR ITS REALIZATION - Google Patents

RETAINING WALL WITH GEOTEXTILE REINFORCEMENTS AND PARPAING FOR ITS REALIZATION Download PDF

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Publication number
FR2650849A3
FR2650849A3 FR8910854A FR8910854A FR2650849A3 FR 2650849 A3 FR2650849 A3 FR 2650849A3 FR 8910854 A FR8910854 A FR 8910854A FR 8910854 A FR8910854 A FR 8910854A FR 2650849 A3 FR2650849 A3 FR 2650849A3
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France
Prior art keywords
geotextile
retaining wall
reinforcements
concrete blocks
concrete
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Granted
Application number
FR8910854A
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French (fr)
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FR2650849B3 (en
Inventor
Michel Darne
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DARNE EQUIPEMENT
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DARNE EQUIPEMENT
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Publication date
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Priority to FR8910854A priority Critical patent/FR2650849B3/en
Publication of FR2650849A3 publication Critical patent/FR2650849A3/en
Application granted granted Critical
Publication of FR2650849B3 publication Critical patent/FR2650849B3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0225Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0241Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Abstract

Each building block 1 is hollowed out by a groove 2 inside which are housed a geotextile reinforcement 5 and a deformable rod 3 which, under the effect of the weight of the upper building block, crushes, thereby effectively immobilizing the said reinforcement.

Description

On sait qu'en vue d'obtenir une meilleure stabiLisation du terrain, on a proposé de noyer dans les remblais des armatures souples dites "géotextiles", constituées en fait par des nappes de tissu propres à s'opposer à tout déplacement intempestif de la masse de terre. We know that in order to obtain a better stabilization of the ground, it has been proposed to drown in the embankments flexible reinforcements called "geotextiles", constituted in fact by sheets of fabric suitable for opposing any untimely movement of the mass of earth.

La présente invention vise plus spéciaLement l'application de telles armatures géotextiles au cas particulier des murs ou autres parois verticaLes de soutènement destinés à contenir La poussée des terres et formés par l'assemblage d'une série de rangées superposées de parpaings. The present invention more specifically relates to the application of such geotextile reinforcements to the particular case of walls or other vertical retaining walls intended to contain the thrust of the earth and formed by the assembly of a series of superimposed rows of concrete blocks.

Le mur de soutènement suivant l'invention est essentiellement remarquable en ce qu'il comporte des moyens propres, moyennant une déformation consécutive à un effet d'écrasement, à assurer L'immobilisation des armatures géotextiles engagées entre les faces horizontales des parpaings de deux rangées superposées. The retaining wall according to the invention is essentially remarkable in that it comprises its own means, by means of a deformation consecutive to a crushing effect, to ensure the immobilization of the geotextile reinforcements engaged between the horizontal faces of the blocks of two rows superimposed.

L'invention a également pour objet le parpaing spécialement établi pour la réalisation d'un mur de soutènement conforme à l'alinéa qui précède, lequel parpaing est remarquable en ce que l'une au moins de ses faces horizontales est creusée d'une rainure à section transversale substantiellement semi-circulaire, formant logement pour un jonc en une matière relativement déformabLe apte à s'écraser sous le poids d'un parpaing placé immédiatement au-dessus et à immobiliser ainsi la partie d'une armature géotextile engagée entre les deux parpaings considérés. The invention also relates to the concrete block specially established for the production of a retaining wall in accordance with the preceding paragraph, which concrete block is remarkable in that at least one of its horizontal faces is hollowed out with a groove with a substantially semi-circular cross section, forming a housing for a rod made of a relatively deformable material capable of collapsing under the weight of a concrete block placed immediately above and thus immobilizing the part of a geotextile reinforcement engaged between the two concrete blocks considered.

Le dessin annexé, donné à titre d'exemple, permettra de mieux comprendre l'invention, les caractéristiques qu'elle présente et les avantages qu'elle est susceptible de procurer
Fig. 1 est une vue en perspective montrant en superposition un parpaing suivant l'invention, L'une des extrémités d'une. armature géotextile et le jonc déformable destiné à assurer l'immobilisation de ladite armature.
The appended drawing, given by way of example, will allow a better understanding of the invention, the characteristics which it presents and the advantages which it is capable of providing.
Fig. 1 is a perspective view showing in superposition a concrete block according to the invention, one of the ends of a. geotextile reinforcement and the deformable rod intended to immobilize said reinforcement.

Fig. 2 est une coupe verticale illustrant l'agencement d'un mur de soutènement établi à l'aide de parpaings conformes à celui montré en fig. 1
En fig. 1, la référence 1 désigne un parpaing en aggloméré dont l'une des deux faces horizontales opposées présente une rainure ou gorge 2 à section sensiblement semi-circuLaire. Cette rainure 2 est destinée à former logement pour un jonc 3 établi en une matière naturelle ou synthétique apte à se déformer par écrasement ; ce jonc 3 comporte en section un profil circulaire dont le rayon est légèrement inférieur à celui de la rainure 2.
Fig. 2 is a vertical section illustrating the arrangement of a retaining wall established using concrete blocks conforming to that shown in FIG. 1
In fig. 1, the reference 1 designates a block of chipboard, one of the two opposite horizontal faces of which has a groove or groove 2 of substantially semi-circular section. This groove 2 is intended to form housing for a rod 3 established in a natural or synthetic material capable of being deformed by crushing; this rod 3 comprises in section a circular profile whose radius is slightly less than that of the groove 2.

Le mur de soutènement illustré en fig. 2 est établi à la manière habituelle, en ce sens qu'il est formé par des rangées superposées de parpaings 1, décalés les uns par rapport aux autres suivant les rangées. The retaining wall illustrated in fig. 2 is established in the usual way, in the sense that it is formed by superimposed rows of concrete blocks 1, offset with respect to each other along the rows.

Au fur et à mesure de l'édification du mur et du déversement du remblai 4 que ledit mur est destine à maintenir, on pose sur la face horizontale supérieure des parpaings 1 de certaines au moins des rangées superposées l'extrémité d'une série d'armatures géotextiles 5 de type classique, de telle sorte que ladite extrémité s'engage plus ou moins dans la rainure 2 des parpaings envisagés.As the wall is built and the backfill 4 is poured out, which the said wall is intended to maintain, the end of a series d is laid on the upper horizontal face of concrete blocks 1 with at least some of the rows superimposed. 'geotextile reinforcement 5 of conventional type, so that said end more or less engages in the groove 2 of the concrete blocks envisaged.

Préalablement à la pose des parpaings 1 de la rangée supérieure, on met en place dans chaque rainure 2 un jonc 3 dont La longueur peut être égale à celle de chaque parpaing ou à un multiple de celle-ci. Lorsque le parpaing 1 de la rangée supérieure est posé, il prend appui contre le jonc 3 qui se déforme légèrement par écrasement contre l'extrémité de l'armature 5 engagée dans la rainure 2. Cette armature 5 est en conséquence parfaitement immobilisée. Prior to the installation of the concrete blocks 1 of the upper row, a rod 3 is placed in each groove 2, the length of which can be equal to that of each concrete block or to a multiple thereof. When the block 1 of the upper row is laid, it bears against the rod 3 which deforms slightly by crushing against the end of the frame 5 engaged in the groove 2. This frame 5 is consequently perfectly immobilized.

Les essais ont confirmé l'efficacite du mode de blocage des armatu res, l'immobilisation obtenue améliorant de manière considérable la stabilisation du remblai et du mur de soutènement. La mise en place des joncs 3 n'apporte aucune complication sensible aux opérations de construction. The tests confirmed the effectiveness of the blocking mode of the reinforcements, the immobilization obtained considerably improving the stabilization of the embankment and the retaining wall. The installation of rods 3 does not bring any significant complication to construction operations.

Il va de soi que l'extrémité de chaque armature 5 peut être posée au-dessus du jonc 3 correspondant, et non au-dessous comme on l'a supposé ci-dessus et représenté. En certains cas, les deux faces horizontales de chaque parpaing 1 sont susceptibles de présenter des rainures 2 en vue de déterminer, après superposition de deux parpaings, un logement à section circulaire, pour autant évidemment que ce logement présente un profil tel que le jonc correspondant se trouve déformé par écrasement. It goes without saying that the end of each frame 5 can be placed above the corresponding rod 3, and not below as has been assumed above and shown. In some cases, the two horizontal faces of each concrete block 1 are likely to have grooves 2 in order to determine, after superimposition of two concrete blocks, a housing with circular section, provided that this housing has a profile such as the corresponding rod is deformed by crushing.

Il doit d'ailleurs être entendu que la description qui précède n'a été donnée qu'à titre d'exemple et qu'elle ne limite nullement le domaine de l'invention dont on ne sortirait pas en remplaçant les détails d'exécution décrits par tous autres équivalents.  It should moreover be understood that the above description has been given only by way of example and that it in no way limits the field of the invention from which one would not depart by replacing the execution details described by all other equivalents.

Claims (2)

REVENDICATIONS 1. Mur de soutènement, du genre constitué par l'assemblage de rangées superposées de parpaings, caractérisé en ce qu'il comporte des moyens < 2-3) propres, moyennant une déformation relative consécutive à un effet d'écrasement sous le poids des parpaings des rangées supérieures, à assurer l'immobilisation d'armatures géotextiles C5) de type en soi connu, engagées entre les faces horizontales des parpaings superposés. 1. Retaining wall, of the kind constituted by the assembly of superimposed rows of concrete blocks, characterized in that it comprises means <2-3) proper, by means of a relative deformation consecutive to a crushing effect under the weight of the concrete blocks of the upper rows, to ensure the immobilization of geotextile reinforcements C5) of known type, engaged between the horizontal faces of the superposed concrete blocks. 2. Parpaing pour la réalisation d'un mur de soutenement suivant la revendication 1, caractérisé en ce que l'une au moins de ses faces horizontales est creusée d'une rainure (2) à section transversale substantiellement semi-circulaire, formant logement pour un jonc (3) en une matière déformable apte à s'écraser sous le poids du parpaing immédiatement supérieur et a immobiliser ainsi une armature géotextile (5) engagée entre les parpaings de deux rangées superposées.  2. Concrete block for the production of a retaining wall according to claim 1, characterized in that at least one of its horizontal faces is hollowed out by a groove (2) with a substantially semi-circular cross section, forming a housing for a rod (3) in a deformable material capable of crushing under the weight of the block immediately above and thus immobilizing a geotextile reinforcement (5) engaged between the blocks of two superimposed rows.
FR8910854A 1989-08-08 1989-08-08 RETAINING WALL WITH GEOTEXTILE REINFORCEMENTS AND PARPAING FOR ITS REALIZATION Expired - Lifetime FR2650849B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8910854A FR2650849B3 (en) 1989-08-08 1989-08-08 RETAINING WALL WITH GEOTEXTILE REINFORCEMENTS AND PARPAING FOR ITS REALIZATION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8910854A FR2650849B3 (en) 1989-08-08 1989-08-08 RETAINING WALL WITH GEOTEXTILE REINFORCEMENTS AND PARPAING FOR ITS REALIZATION

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FR2650849A3 true FR2650849A3 (en) 1991-02-15
FR2650849B3 FR2650849B3 (en) 1991-06-14

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6416260B1 (en) * 2000-05-18 2002-07-09 Permawall Systems, Inc. Self-connecting, reinforced retaining wall and masonry units therefor
US6468004B1 (en) * 1997-09-29 2002-10-22 Derrick Ian Peter Price Soil reinforcement
RU2269625C2 (en) * 2004-05-06 2006-02-10 Роберт Рафаилович Зильберман Ground stabilization method and device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6468004B1 (en) * 1997-09-29 2002-10-22 Derrick Ian Peter Price Soil reinforcement
US6416260B1 (en) * 2000-05-18 2002-07-09 Permawall Systems, Inc. Self-connecting, reinforced retaining wall and masonry units therefor
RU2269625C2 (en) * 2004-05-06 2006-02-10 Роберт Рафаилович Зильберман Ground stabilization method and device

Also Published As

Publication number Publication date
FR2650849B3 (en) 1991-06-14

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