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EP3351684B1 - Procédé de production d'un revêtement de chaussée - Google Patents

Procédé de production d'un revêtement de chaussée Download PDF

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Publication number
EP3351684B1
EP3351684B1 EP17151961.4A EP17151961A EP3351684B1 EP 3351684 B1 EP3351684 B1 EP 3351684B1 EP 17151961 A EP17151961 A EP 17151961A EP 3351684 B1 EP3351684 B1 EP 3351684B1
Authority
EP
European Patent Office
Prior art keywords
concrete
water
ground surface
sealant
crystalline
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
EP17151961.4A
Other languages
German (de)
English (en)
Other versions
EP3351684A1 (fr
Inventor
Christian Freilinger
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.)
Freilinger Beschichtungstechnik GmbH
Gallusberg Anstalt
Original Assignee
Freilinger Beschichtungstechnik GmbH
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
Application filed by Freilinger Beschichtungstechnik GmbH filed Critical Freilinger Beschichtungstechnik GmbH
Priority to EP17151961.4A priority Critical patent/EP3351684B1/fr
Priority to DK17151961.4T priority patent/DK3351684T3/da
Publication of EP3351684A1 publication Critical patent/EP3351684A1/fr
Application granted granted Critical
Publication of EP3351684B1 publication Critical patent/EP3351684B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • E01C7/14—Concrete paving
    • E01C7/142—Mixtures or their components, e.g. aggregate
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • E01C7/14—Concrete paving
    • E01C7/147—Repairing concrete pavings, e.g. joining cracked road sections by dowels, applying a new concrete covering
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
    • E01C7/351—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively hydraulical binders; Aggregate, fillers or other additives for application on or in the surface of toppings with exclusively hydraulic binders

Definitions

  • the present invention relates to a method for the construction and maintenance of a road surface for underground garages and parking garages from a cementitious composition, which contains an additive that improves the water-repellent and water-sealing properties of the cementitious composition or the concrete.
  • a parking garage is to be understood as a one-storey or multi-storey building that has a parking space for vehicles inside the building, which is therefore covered by the building.
  • a garage in particular a large garage, also represents a parking garage.
  • sealant additives known today mainly differentiate between hydrophobic and crystallizing sealant additives.
  • Hydrophobic sealants contain, for example, alkaline earth metal salts of fatty acids, which reduce the capillary water absorption of the concrete.
  • alkaline earth metal salts of fatty acids which reduce the capillary water absorption of the concrete.
  • the molecules align themselves on the surfaces of the concrete due to their surfactant structure, i.e. also on the inner surfaces of cracks or capillaries, in such a way that the long non-polar hydrocarbon chains are directed away from the solid surfaces and the polar caboxylate groups adhere to one another attach the solid surfaces. This significantly reduces the wettability of the concrete surfaces.
  • the JP H02 145469 A describes a fast-curing asphalt concrete.
  • the object of the invention is to provide a method for erecting a road surface for underground garages and parking garages, which is formed from concrete and meets the requirements with regard to watertightness, durability and crack bridging.
  • the road surface is a layer of concrete which is thick compared to the prior art and has a layer thickness of 2 cm-10 cm, which contains a crystalline sealing agent added to the concrete over the entire layer thickness, the road surface being on an existing concrete suspended ceiling or a concrete floor slab is applied and after drying it is supplied with sufficient water to ensure a permanent crack bridging.
  • the invention is based on the idea of using concretes which are designed for constant contact with water, for example as a casing for drinking water containers for the pavement, since these are waterproof, chemical-resistant and hard and therefore wear-resistant.
  • these concretes as a road surface for underground garages and parking garages appeared until The present invention was not possible, or was in any case not carried out, since the required crack bridging did not seem possible.
  • the advantage of the present invention is the use of conventional concrete as the basis for the road surface, which is an inexpensive and easy-to-use building material. Concrete has the advantage over asphalt that it can be light to white and can therefore be colored as desired.
  • the use of the preferably colorless or transparent crystalline sealant does not change or impair the appearance of the concrete. It is also advantageous that crystalline crack bridging takes place over the entire layer thickness of the concrete covering, which means that the entire concrete layer is designed as a wear layer, and the covering cannot therefore be repaired after a surface coating that is a few millimeters thick has worn. It is particularly advantageous that the road surface can be applied as a layer in one operation, which saves labor and time, since sealing is not required in a later step, as with OS systems.
  • the concrete admixture for the concrete covering according to the invention contains a crystalline sealing agent which, upon contact with water, leads to crystallization, the crystallization resulting in an increase in volume which leads to the closing of cavities and cracks.
  • Standard concrete such as C30 / 37 is suitable as concrete.
  • the preferred sealant additive for cementitious compositions accordingly contains at least one synthetic and / or natural wax in aqueous dispersion or emulsion.
  • wax or "waxing” as part of the description of the EP 2292568 A understood animal and vegetable waxes, which also include lipids, for example.
  • the main components of such waxes are esters of fatty acids with long-chain, aliphatic, primary alcohols, the so-called wax alcohols.
  • jojoba oil or similar substances that do not consist of triglycerides and are therefore not fatty oils, but are chemically considered liquid waxes.
  • waxes in the sense of EP 2292568 A also synthetic waxes, which are mainly obtained from petroleum and which consist, for example, of paraffin or hard paraffin. After all, "waxes" are in the sense of EP 2292568 A also natural waxes that have been chemically modified or completely synthesized, such as, for example, polyethylenes or copolymers or, for example, also from Soy wax obtained from hydrogenation.
  • the wax or waxes used in the production of the advantageous sealant additive preferably contains at least one ester of higher aliphatic fatty acids, which preferably have C30-C34 alcohols.
  • the advantageous sealant additive also preferably contains at least one water-soluble or water-dispersible metal salt of the C8-C34 fatty acids.
  • the metal salt or salts of the C8-C34 fatty acids are preferably alkali metal, alkaline earth metal and aluminum salts. Particular preference is given to selecting from the group of water-soluble or dispersible metal salts of C8-C34 fatty acids, such as, for example, potassium caprylate, potassium caprinate, calcium laurate, sodium myristate, sodium palmitate, potassium oleate, lithium stearate, sodium stearate, potassium stearate, calcium stearate, magnesium stearate, aluminum di- and stearate.
  • the advantageous sealant additive preferably also contains water-soluble carbonates in addition to one or all of the above components. By adding such carbonates, the effect of crack healing upon contact with water is achieved, which has previously been used to advantage in hydraulic engineering.
  • the added water-soluble carbonates serve as carbonate sources in hardened concrete, from which carbonate ions dissolve when water enters through cracks or capillaries and diffuse into the cracks and capillaries. There is a carbonation and thus a closure of the cracks or the capillaries.
  • the water-soluble carbonates and hydrogen carbonates are particularly preferably selected from a group which contains alkali carbonates and ammonium carbonates, such as, for example, sodium carbonate, sodium hydrogen carbonate, potassium carbonate, potassium hydrogen carbonate, lithium carbonate, lithium hydrogen carbonate and ammonium carbonate, ammonium hydrogen carbonate and combinations thereof and the like.
  • Alkali carbonate is preferably contained in the crystalline sealant in a proportion of 10-25% by weight.
  • the crystalline sealant in liquid form with a mass of 2 to 3%, based on the mass of the cement formulation, is preferably added to the mixed concrete, or already to the mixing water, but at least 7 kg per m 3 of the mixed concrete.
  • the time period for the irrigation and cleaning intervals depends, among other things, on the layer thickness of the concrete covering and can best be determined by tests; a guideline is around 6 months.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sealing Material Composition (AREA)

Claims (5)

  1. Procédé de mise en œuvre d'un revêtement de chaussée en béton pour un parking souterrain ou un parking à étages, dans lequel une couche de béton contenant un produit d'étanchéité cristallin est appliquée avec une épaisseur de couche d'au moins 2 cm, caractérisé en ce que de l'eau est appliquée au moins une fois, de préférence 2 à 3 fois, directement après le séchage du béton, à chaque fois jusqu'à saturation du béton, l'application d'eau étant ensuite répétée en continu à intervalles de temps.
  2. Procédé selon la revendication 1, caractérisé en ce que le revêtement de chaussée est appliqué sur une dalle de fond finie ou une couche intermédiaire finie, le revêtement de chaussée étant appliquée avec une épaisseur de couche de 10 cm au maximum, de préférence de 4 cm au maximum.
  3. Procédé selon la revendication 2, caractérisé en ce que ladite dalle de fond ou ladite couche intermédiaire est constituée de béton et est nettoyée, rendue rugueuse et humidifiée dans le cadre d'un prétraitement.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que ledit produit d'étanchéité cristallin est ajouté au béton liquide ou déjà à son eau de gâchage sous forme liquide, sous forme de solution saline aqueuse avec des savons métalliques contenant un carbonate alcalin.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que ledit revêtement de chaussée en béton est lissé en utilisant une talocheuse mécanique et/ou poncé avant la première application d'eau.
EP17151961.4A 2017-01-18 2017-01-18 Procédé de production d'un revêtement de chaussée Active EP3351684B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17151961.4A EP3351684B1 (fr) 2017-01-18 2017-01-18 Procédé de production d'un revêtement de chaussée
DK17151961.4T DK3351684T3 (da) 2017-01-18 2017-01-18 Fremgangsmåde til fremstilling af en kørebanebelægning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17151961.4A EP3351684B1 (fr) 2017-01-18 2017-01-18 Procédé de production d'un revêtement de chaussée

Publications (2)

Publication Number Publication Date
EP3351684A1 EP3351684A1 (fr) 2018-07-25
EP3351684B1 true EP3351684B1 (fr) 2020-05-06

Family

ID=57860699

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17151961.4A Active EP3351684B1 (fr) 2017-01-18 2017-01-18 Procédé de production d'un revêtement de chaussée

Country Status (2)

Country Link
EP (1) EP3351684B1 (fr)
DK (1) DK3351684T3 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2688774B2 (ja) * 1988-11-28 1997-12-10 三菱マテリアル株式会社 半剛性舗装方法
EP2292568A1 (fr) 2009-08-06 2011-03-09 Schomburg GmbH & Co. KG Additif pour composition cimentière
AT517528B1 (de) * 2015-07-20 2017-06-15 Freilinger Beschichtungstechnik Ug Verfahren zur Errichtung eines Fahrbahnbelags

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DK3351684T3 (da) 2020-08-10
EP3351684A1 (fr) 2018-07-25

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