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
  • E01C9/00—Special pavings; Pavings for special parts of roads or airfields
• • 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
  • E01C11/00—Details of pavings
  • E01C11/16—Reinforcements
  • E01C11/165—Reinforcements particularly for bituminous or rubber- or plastic-bound pavings
• • 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
  • E01C7/30—Coherent pavings made in situ made of road-metal and binders of road-metal and other binders, e.g. synthetic material, i.e. resin
• • 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
  • E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
• • E—FIXED CONSTRUCTIONS
  • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
  • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
  • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution

Definitions

• the invention relates to a method for creating a fuel and / or chemical-resistant traffic area based on a polymer coating, on an existing carriageway, especially in the refueling and Filling area of petrol stations, is applied, and their use.
• the aim of the invention is therefore to provide a roadway coating, which is fuel-resistant and preferably an aggregate contains the leakage resistance according to the legal regulations sufficiently reduced.
• the road surface must also meet the requirements to meet the crack resistance so that it prevents fuel from entering prevents the subsurface in the long term and is sufficiently resistant to the daily wear and tear of motor vehicles over one to be able to withstand a longer period of time.
• Another aspect of the present Registration is as inexpensive as possible and in the shortest possible time to provide coatable road coating that is only a small thickness and therefore adaptation measures to existing structures relieved or even superfluous.
• This goal is achieved with a method of the type mentioned at the outset, in which to create a fuel and / or chemical-resistant traffic area based on a polymer coating of an existing surface, in particular an existing carriageway in the petrol station area, by cleaning the existing surface, applying a primer to the surface cleaned surface, placing a fiber layer on the primed surface, impregnating the fiber layer with a first hardenable plastic mass, coating the impregnated fiber layer with a second hardenable plastic mass in an amount of at least 1.0 kg / m 2 , and optionally forming a wear layer or top layer.
• the method according to the invention allows an existing Road surface defined a fuel-resistant and dissipative layer Apply composition that fully meets the legal requirements enough.
• the resistance and especially the crack resistance is thereby achieved that the applied polymer coating with a thickness of 1 to 9 mm contains a fiber reinforcement.
• a surcharge in the form from Z. B coke powder or graphite to the polymer layer or the additional applied wear layer sufficient electrical conductivity guarantee.
• a plastic-based primer is first applied to the previously thoroughly cleaned underground of the pavement.
• Polyepoxides, polysulfides, polyesters, polyurethanes or the like can be used as primers.
• Self-crosslinking (moisture-curing) polyurethanes are particularly preferred. Acceptable amounts are in the range from 50 to 500 g / m 2 , in particular 100 to 250 g / m 2 .
• a second layer is applied to the dried and hardened primer Fiber layer applied.
• Nonwovens are made in particular for the fiber layer Plastic or glass materials used.
• the fiber layer is impregnated with a hardenable plastic mass, for example in an amount of at least 0.5 kg / m 2 .
• a hardenable plastic mass for example in an amount of at least 0.5 kg / m 2 .
• Self-crosslinking polyurethane or peroxide-curing polyester are particularly suitable as the plastic mass.
• a layer of a curable polymer is applied to the fiber layer in an amount of at least 1 kg / m 2 , the total layer thickness being 1 to 3 mm.
• a nonwoven fabric can be embedded directly in a first layer of a curable polymer, after which the complete polymer coating is applied.
• Such a first polymer layer is expediently present in an amount of at least 500 g / m 2 .
• Crosslinkable polyesters polyurethanes, Polyolefins (HDPE) or polysulfides can be used.
• a peroxide crosslinker e.g. B MEK peroxide
• HDPE polyethylene
• B of polyethylene can be in particularly problematic areas as an alternative or in addition to Application come.
• Polyethylene either as an additional coating on top of one already existing polymer coating applied or instead of the original used to process polymer.
• HDPE is particularly against Bio-Diesel (rapeseed oil methyl ester) resistant.
• a wear layer on the Polymer layer applied, for example by the fact that wear-resistant Substances as particles on the not yet hardened fiber-reinforced Polymer layer can be sprinkled on.
• a separate wear protection layer can, for example, be a cross-linkable one Polyester or moisture-curing polyurethane are used as binders which the wear-resistant substances are present.
• To be able to discharge metal is additionally guaranteed in the wear layer and / or carbon in an amount of up to 20 wt .-% introduced. Silicon carbide or iron oxides as wear-reducing materials the advantage that they improve the discharge capacity at the same time.
• Coke or graphite can be used as carbon.
• the wear layer ie the layer containing the wear material
• a cover layer as a seal
• a layer of a self-curing polyurethane in an amount of 100 to 300 g / m 2 .
• This layer can then also ensure the conductivity by adding carbon.
• the fiber material is preferably in the form of a nonwoven, with a basis weight of 100 to 500 g / m 2 .
• Polyester and glass fiber fleeces are preferred; other materials can also be used.
• adhesion or elastic properties intermediate layers may be appropriate.
• a fuel-resistant sealing compound to be sealed. It can be both around a parting line, as well as around Joints to adjacent road surfaces and to joints to built-in parts act.
• the sealing compound is expediently a two-component reactive curing sealant, especially based on polysulfide or polyurethane.
• the method according to the invention is suitable for existing ones Build over joints without causing leaks.
• the elasticity of the Plastic masses and the fiber material are sufficient (tension) tensions catch.
• the method according to the invention for creating a fuel-resistant has the advantage that Lifting and adjusting built-in parts by applying a further ceiling no longer have the necessary protection height, if necessary, milling an existing road surface by a maximum the thickness of the new layer to be applied is eliminated.
• the total layer thickness are generally 2 to 9 mm, in particular 3 to 5 mm.
• Covering layer As far as the thickness of the coating is not important or a stronger one Covering layer can be accepted, it is easily possible to get one Provide cover layer from an alternative cover material.
• alternative Materials are conventional building materials, such as bitumen, Asphalt, sand, gravel, cladding, concrete and the like. In this case it is sealing level not visible.
• the method according to the invention can be applied to existing road surfaces various designs can be used, provided they are pre-cleaned Show underground. These include, for example, paving slabs, bituminous ceilings and especially concrete ceilings. For concrete blocks and -covering is recommended to use a polyurethane primer if for the central plastic layer a polyester is used.
• the optimal installation thickness of the multi-layer system is around 3 to 6 mm. To generate a uniform road surface, local lower or larger layer thicknesses are readily accepted become.
• the method according to the invention primarily serves to seal existing non-liquid-tight concrete, paving or pavements Rolled asphalt. However, it can also be used to renovate existing ones liquid-tight road surfaces that have become in need of repair, be used.
• the invention Procedures can also be used in new buildings, e.g. B at Tub construction of petrol stations, the current method for the construction of Gas stations, or as a cavity coating, for example at Manhole covers and in tank construction. The cavity coating can Wear layer naturally eliminated.
• this is the invention Process also for fuel-tight and chemical-resistant coatings of surfaces in driving and storage areas, such as in LAU and HBV systems.
• the invention further relates to a fuel-resistant (mainly from Polymer existing) road surface, which according to the above described method is available. It is located on a existing road surface a multi-layer system consisting of one Primer on which one is soaked and covered with a cross-linked polymer Fiber layer is present, on which interspersed wearable particles or a final additional cover and / or wear layer is applied, the is dissipative and contains wear-resistant materials.
• a first 1 to 4 mm thick polymer layer in which the position of the Nonwoven is embedded.
• Another polymer layer on top with a thickness of 1 to 3 mm with wear-reducing particles.
• a Sealing layer contains this carbon to make the Conductivity.
• the carbon content is preferably more than 10 to 25% by weight and consists of coke powder or graphite.
• the fiber layer can be mineral or organic materials consist, for example, of glass fiber fleeces, Polyester or polyolefin fleece.
• the pavement according to the invention can be conventional joints and Have edge joints with a fuel-resistant sealant, such as described above are filled. But it can also create existing joints bridged.
• the invention additionally relates to the use of those described above Multi-layer system consisting of a fiber-reinforced primer Polymer layer and a wear layer to create fuel-resistant and diverting road surfaces in the petrol station area.
• the multi-layer system is also used in the tub construction from Petrol stations, the current common procedure for the execution of Gas stations, or in the field of manhole covers and in tank construction.
• the road surfaces according to the invention can be a sensor system for Show leakages.
• the fleece layer can be used for this purpose be electrically conductive and have an electrical potential be provided.
• Such a system is developed by Progeo Monitoring GmbH under the Designation Smartex® distributed.
• a road surface according to the invention is placed on a concrete surface in the area applied to a gas station as follows:
• the pavement to be sealed is cleaned and a polyurethane-based primer e.g. B Bipurcoat 5BAX applied with a roll in an amount of 200 g / m 2 .
• a polyester fleece of 160 g / m 2 is spread on the dried primer.
• the polyester fleece is impregnated with 500 g / m 2 polyester with 2% hardener.
• 2000 g / m 2 polyester and 2% hardener (Flexbinard® from Fabripol) are applied.
• SiC is sprinkled in in an amount of 1000 g / m 2 .

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• Engineering & Computer Science (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Architecture (AREA)
• Life Sciences & Earth Sciences (AREA)
• Environmental & Geological Engineering (AREA)
• Hydrology & Water Resources (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Mining & Mineral Resources (AREA)
• Paleontology (AREA)
• General Engineering & Computer Science (AREA)
• Road Paving Structures (AREA)

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Cited By (1)

Citations (4)

• 2002
  • 2002-04-23 EP EP02008999A patent/EP1357227A1/fr not_active Withdrawn

Patent Citations (4)

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