CN105002794A - Composite material and method for conducting ballastless track waterproof maintenance by adopting composite material - Google Patents
Composite material and method for conducting ballastless track waterproof maintenance by adopting composite material Download PDFInfo
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- CN105002794A CN105002794A CN201510291096.6A CN201510291096A CN105002794A CN 105002794 A CN105002794 A CN 105002794A CN 201510291096 A CN201510291096 A CN 201510291096A CN 105002794 A CN105002794 A CN 105002794A
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- rubber
- asphalt waterproof
- gap
- weight
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B37/00—Making, maintaining, renewing, or taking-up the ballastway or the track, not provided for in a single one of groups E01B27/00 - E01B35/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides a composite material and a method for conducting ballastless track waterproof maintenance by adopting the composite material. The method comprises the steps that a gap of a ballastless track is cleaned, and the cleaned gap is filled with a non-curing rubber asphalt waterproof material; an isolation material is laid on the top face of the non-curing rubber asphalt waterproof material to form an isolation layer; concrete base surfaces on the two sides of the isolation layer are coated with binding materials to form binding layers; after the concrete base surfaces are coated with the binding materials, the surfaces of the binding layers and the isolation layer are coated with rapid hardening rubber asphalt waterproof materials or sticky rubber asphalt waterproof prefabricated coiled materials. According to the composite material and the method for conducting ballastless track waterproof maintenance, the good adhesive force of the gap maintained through the method is ensured, powerful shearing stress caused when a train passes the gap at high speed can be effectively resisted, and the composite material is flexible, can effectively resist concrete vibration caused when the train passes the gap at high speed, is not prone to brittle surface factures, and ensures safety usage of the ballastless track.
Description
Technical field
The present invention relates to field of material technology, particularly a kind of non-fragment orbit waterproof repairment composite material, and a kind of method adopting composite material to carry out non-fragment orbit waterproof repairment.
Background technology
The use of train brings great convenience to the trip of people, and at present, non-fragment orbit has been widely used in the laying of track for a train.Ballastless track structure mainly includes concrete support layer, steel concrete road bed board.Supporting layer and road bed board are independently constructed, and supporting layer concrete surface is wharf's pavement quality in road bed board width range, and road bed board is the reinforced concrete structure of sequential production, jointless.Be one deck matsurface with the contact surface of supporting bed bottom road bed board, constraint is mutually there is between road bed board and supporting bed, the concrete contraction of supporting layer will have an impact to road bed board, to cause near supporting layer baste position concrete road bed board to produce reflection crack, most through crack to produce before and after supporting bed baste within the scope of 1m substantially after testing.Crack, once produce, will reduce the durability of non-fragment orbit, weakens the bearing capacity of track.And due to crack, powerful underground hydrostatic pressing, the shear stress that train at a high speed causes, will cause track to seep water, and can reduce the durability of track further, greatly reduce the insulating properties of non-fragment orbit.
In addition, building unit and non-fragment orbit can arrange shrinkage joint, shrinkage joint is the build joint vertically arranged along the suitable position of building length direction, by building unit more than basal plane as body of wall, floor, roof are divided into two independent sectors, make building can do horizontal extension along length direction, can prevent building member from making structure produce crack or destruction because climate temperature changes.In non-fragment orbit, train is run at high speed and can be imposed powerful shear stress to high-speed railway rail basal plane, if the hydrostatic pressing that locality has underground powerful, double factor, can cause surface, the shrinkage joint infiltration of high-speed railway rail, can affect the safe handling in house.
When keeping in repair the crack of non-fragment orbit or the shrinkage joint of high-speed railway rail, if the adhesive power that face coat is not good, when train passes through, can be destroyed by powerful shear stress.If coating rigidity is stronger, train by time concrete can be caused to shake, coating surface embrittlement can be caused.
So current market is badly in need of one there is strong adhesion, the material that toughness is strong, and corresponding to a kind of non-fragment orbit waterproof repairment of described material construction method with ensure keep in repair after track and house can use safely.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of non-fragment orbit waterproof repairment composite material overcoming the problems referred to above or solve the problem at least in part, and a kind of method adopting composite material to carry out non-fragment orbit waterproof repairment.
In order to solve the problem, the invention discloses a kind of method adopting composite material to carry out non-fragment orbit waterproof repairment, described method comprises:
The gap of cleaning non-fragment orbit, uncured rubber-asphalt waterproof material is filled, until the end face of described uncured rubber-asphalt waterproof material flushes with the basal plane of both sides, described gap in inside, described gap after the cleaning;
Lay one deck isolated material at the end face of described uncured rubber-asphalt waterproof material and form separation layer;
The concrete surface of described separation layer both sides is brushed binding material and forms tack coat;
Having brushed after described binding material at the surface spraying rapid hardening rubber-asphalt waterproof material of described tack coat and described separation layer or pasted rubber-asphalt waterproof prefabricated coiled material, the described rapid hardening rubber-asphalt waterproof material of spraying or the described rubber-asphalt waterproof prefabricated coiled material of stickup and described adhering with epoxy resin form described composite material.
Preferably, cleaning described non-fragment orbit gap after fill described non-cured materials before or filling described non-cured materials after use butyl rubber belt or silicone sealant to carry out edge sealing process to described gap.
Preferably, described after the surface mount rubber-asphalt waterproof prefabricated coiled material of described tack coat and described separation layer, described method also comprises:
Butyl rubber belt, epoxy resin or one-component thick-slurry type rubber-asphalt coating is used to carry out overlapping the slot process on the surface of the overlapping the slot of described stickup rubber-asphalt waterproof prefabricated coiled material overlap joint.
Preferably, the crack that the road bed board that described gap comprises non-fragment orbit occurs and the shrinkage joint that high ferro non-fragment orbit is preset.
Preferably, described isolated material is polyethylene polypropylene or silicone oil paper, and the thickness using described polyethylene polypropylene to brush the described separation layer formed is 0.7mm, and the thickness of described silicone oil paper is 0.2 ~ 0.3mm.
Preferably, described binding material is epoxy resin, and the thickness of the described tack coat that described epoxy resin is formed is 0.1 ~ 0.2mm, and the brushing width of described epoxy resin is 100mm.
Preferably, the thickness of described rubber-asphalt waterproof prefabricated coiled material is 2.0mm.
Preferably, described uncured rubber-asphalt waterproof material is made up of the dolomite of a modified bitumen of 40 ~ 48% parts by weight, the paraffin oil of 2 ~ 5% parts by weight, the calcium carbonate of 20 ~ 30% parts by weight and 20 ~ 30% parts by weight;
Described uncured rubber-asphalt waterproof material is prepared as follows:
In a described modified bitumen, add the mixing of paraffin oil, calcium carbonate and dolomite successively, comprising: in a modified bitumen, add described paraffin oil; The mixing of described calcium carbonate is added after adding described paraffin oil; Add described dolomite after adding the mixing of described calcium carbonate and continue mixing;
A described modified bitumen is mixed with by direct current pitch, chlorosulfonated polyethylene, dioctyl phthalate and polybutene and forms.
Preferably, be as the criterion with described rapid hardening rubber-asphalt waterproof material 100 parts by weight of spraying, described rapid hardening rubber-asphalt waterproof material is made up of the additive of the anionic emulsified bitumen of the vulcanized rubber modification of 20 ~ 90 parts by weight, the rubber latex of 10 ~ 70 parts by weight and 0.1 ~ 10 parts by weight, and the pH value of described rapid hardening rubber-asphalt waterproof material is 7 ~ 13.5;
The anionic emulsified bitumen of described vulcanized rubber modification mixes rear emulsification by the anionic emulsified bitumen of 70 ~ 97 parts by weight and the vulcanized rubber of 3 ~ 30 parts by weight and forms.
The present invention also provides a kind of non-fragment orbit waterproof repairment composite material, comprising:
Brush the binding material on the concrete surface of the both sides, gap of non-fragment orbit;
Wherein, inside, described gap has filled uncured rubber-asphalt waterproof material, until the end face of described uncured rubber-asphalt waterproof material flushes with the concrete surface of both sides, described gap, and lay one deck separation layer at the end face of described uncured rubber-asphalt waterproof material, described binding material is brushed on the concrete surface of described separation layer both sides;
The surface spraying of the isolated material of described binding material and described separation layer has rapid hardening rubber-asphalt waterproof material or is pasted with rubber-asphalt waterproof prefabricated coiled material;
Wherein, the quick setting polymeric emulsion form waterproofing materials that formed through emulsification and cross linked by the anionic emulsified bitumen of vulcanized rubber modification, rubber latex and additive of the described rapid hardening rubber-asphalt waterproof material of spraying.
Preferably, the crack that the road bed board that described gap comprises non-fragment orbit occurs and the shrinkage joint that high ferro non-fragment orbit is preset.
Preferably, described isolated material is or silicone oil paper, and the thickness using described polyethylene polypropylene to brush the described separation layer formed is 0.7mm, and the thickness of described silicone oil paper is 0.2 ~ 0.3mm; Described binding material is epoxy resin, and the thickness of the described tack coat that described epoxy resin is formed is 0.1 ~ 0.2mm, and the brushing width of described epoxy resin is 100mm.
Preferably, the thickness of described rubber-asphalt waterproof prefabricated coiled material is 2.0mm.
Preferably, be as the criterion with described rapid hardening rubber-asphalt waterproof material 100 parts by weight of spraying, described rapid hardening rubber-asphalt waterproof material is made up of the additive of the anionic emulsified bitumen of the vulcanized rubber modification of 20 ~ 90 parts by weight, the rubber latex of 10 ~ 70 parts by weight and 0.1 ~ 10 parts by weight, and the pH value of described rapid hardening rubber-asphalt waterproof material is 7 ~ 13.5.
Preferably, the anionic emulsified bitumen of described vulcanized rubber modification is formed by emulsification after the anionic emulsified bitumen of 70 ~ 97 parts by weight and the vulcanized rubber mixing of 3 ~ 30 parts by weight.
Compared with prior art, the present invention includes following advantage:
According to the embodiment of the present invention, non-cured materials is filled up in the gap of non-fragment orbit, non-cured materials has good viscoplasticity and does not solidify, the concrete variations in temperature of track can be complied with, remain the effect in gap, can be used as packed layer again, the uncured dose of surface coverage separation layer filled up, then on the basal plane on separation layer both sides, brush epoxy resin form tack coat, spray rapid hardening rubber asphalt material at described separation layer and tie layer surface or paste rubber-asphalt waterproof prefabricated coiled material, completing the maintenance in gap; The gap of carrying out according to described employing composite material after the method reparation of non-fragment orbit waterproof repairment both ensure that good adhesive power, can effectively resist train at a high speed by time the powerful shear stress that causes, more pliable and tougher again, can effectively resist high-speed train by time the mixed earth vibrations that cause, be unlikely to surperficial embrittlement, ensure that the safe handling of non-fragment orbit.
Oily containing alkyl in non-cured materials in the embodiment of the present invention, described rapid hardening rubber-asphalt waterproof material or rubber-asphalt waterproof prefabricated coiled material run into alkyl or organic solvent just easily occurs swelling, waterproofing materials physical property is caused to decline, the embodiment of the present invention uses polyethylene polypropylene as isolated material, effectively prevent non-cured materials and rubber asphalt material reacts, ensure that functional performance and the application life in the gap after maintenance.
The thickness of the tack coat that embodiment of the present invention epoxy resin is formed is 0.1 ~ 0.2mm, finds through great many of experiments outlook, and when adhesive layer thickness is greater than 0.2mm, materials are many, and corresponding materials'use costly; When adhesive layer thickness is less than 0.1mm, the adhesion stress of tack coat is little, poor practicability, so adopt the tack coat of 0.1 ~ 0.2mm thickness to reduce maintenance cost in the embodiment of the present invention while meeting gap repairing performance.
Butyl rubber belt or silicone sealant is used to carry out edge sealing process to gap in the embodiment of the present invention, because described butyl rubber belt or silicone sealant thicker, uncured trickling can be prevented out, make the gap after keeping in repair more tight, preventing external impurities from degenerating rubber-asphalt waterproof material or entering crack affects the performances such as its water proofing property, caking property or toughness.
Use butyl rubber belt, epoxy resin or one-component thick-slurry type rubber-asphalt coating to carry out overlapping the slot process in the embodiment of the present invention, can effectively prevent the lap gap of the rubber-asphalt waterproof material pasted from leaking.
In addition, embodiments provide a kind of for non-fragment orbit waterproof repairment composite material, described composite material has stronger adhesive power and good toughness; Simultaneously, the rapid hardening rubber asphalt waterproof coating that the embodiment of the present invention adopts is mixed by mulseal, polymer rubber modifier and additive, the pitch of vulcanized rubber modification is used to substitute general mulseal, the waterproof coating made possesses the advantage that hot strength is high, alkali resistant, stability strong, chemical proofing, heat-resisting cold resistance, sunlight resistance and endurance are strong, possesses more outstanding waterproof quality compared to general water-repellent paint.
Accompanying drawing explanation
Fig. 1 is a kind of flow chart adopting composite material to carry out the method for non-fragment orbit waterproof repairment of the embodiment of the present invention;
Fig. 2 is that the described method fracture that utilizes of the embodiment of the present invention carries out keeping in repair the structural representation in rear crack;
Fig. 3 is that the described method fracture that utilizes of the embodiment of the present invention carries out the schematic diagram of road bed board plan structure after edge sealing process;
Fig. 4 is that the described method that utilizes of the embodiment of the present invention carries out the structural representation in crack after crack treatment to road bed board.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Be described in detail below by the realization flow of embodiment to the method for the invention.
With reference to Fig. 1, it illustrates a kind of flow chart adopting composite material to carry out the method for non-fragment orbit waterproof repairment of the embodiment of the present invention, described method specifically can comprise:
The gap of step 101, cleaning non-fragment orbit, uncured rubber-asphalt waterproof material is filled, until the end face of described uncured rubber-asphalt waterproof material flushes with the basal plane of both sides, described gap in inside, described gap after the cleaning;
According to the embodiment of the present invention, the foreign material in described gap are removed in the gap of described cleaning non-fragment orbit, are convenient to the filling of follow-up packing material.In described gap, fill up non-cured materials, non-cured materials has good viscoplasticity and does not solidify, and can comply with the concrete variations in temperature of track, and the effect remaining gap can be used as packed layer again simultaneously, is a kind of packing material of comparatively ideal gap.
Step 102, the end face of described uncured rubber-asphalt waterproof material lay one deck isolated material form separation layer.
Step 103, brush on the concrete surface of described separation layer both sides binding material form tack coat.
Step 104, having brushed after described binding material at the surface spraying rapid hardening rubber-asphalt waterproof material of described tack coat and described separation layer or pasted rubber-asphalt waterproof prefabricated coiled material, the described rapid hardening rubber-asphalt waterproof material of spraying or the described rubber-asphalt waterproof prefabricated coiled material of stickup and described adhering with epoxy resin form described composite material.
In the embodiment of the present invention, non-cured materials is filled up in the gap of non-fragment orbit, non-cured materials has good viscoplasticity and does not solidify, the concrete variations in temperature of track can be complied with, remain the effect in gap, can be used as packed layer again, the uncured dose of surface coverage separation layer filled up, then on the basal plane on separation layer both sides, brush epoxy resin form tack coat, spray rapid hardening rubber asphalt material at described separation layer and tie layer surface or paste rubber-asphalt waterproof prefabricated coiled material, completing the maintenance in gap; The gap of carrying out according to described employing composite material after the method reparation of non-fragment orbit waterproof repairment both ensure that good adhesive power, can effectively resist train at a high speed by time the powerful shear stress that causes, more pliable and tougher again, can effectively resist high-speed train by time the mixed earth vibrations that cause, be unlikely to surperficial embrittlement, ensure that the safe handling of non-fragment orbit.
Oily containing alkyl in non-cured materials in the embodiment of the present invention, described rapid hardening rubber-asphalt waterproof material or rubber-asphalt waterproof prefabricated coiled material run into alkyl or organic solvent just easily occurs swelling, waterproofing materials physical property is caused to decline, the embodiment of the present invention uses polyethylene polypropylene as isolated material, effectively prevent non-cured materials and rubber asphalt material reacts, ensure that functional performance and the application life in the gap after maintenance.
In the embodiment of the present invention, preferably, cleaning described non-fragment orbit gap after fill described non-cured materials before or filling described non-cured materials after use butyl rubber belt or silicone sealant to carry out edge sealing process to described gap.
Butyl rubber belt forms by the primary raw material such as butyl rubber and polyisobutene is blended, according to special factory formula, adopt up-to-date patented technology, select high-quality speciality polymer material, the environment-friendly type solvent-free produced through special technological process is sealing adhesive material.
Silicone sealant is primary raw material with dimethyl silicone polymer, is aided with crosslinking agent, paste that filler, plasticizing agent, coupling agent, catalyzer mix under vacuum conditions, at room temperature by occurring to solidify to form elastic silicone rubber with the water in air.
Butyl rubber belt or silicone sealant is used to carry out edge sealing process to described gap in the embodiment of the present invention, because described butyl rubber belt or silicone sealant thicker, uncured trickling can be prevented out, make the crack after keeping in repair more tight, preventing external impurities from degenerating rubber-asphalt waterproof material or entering crack affects the performances such as its water proofing property, caking property or toughness.
In the embodiment of the present invention, preferably, described after the surface mount rubber-asphalt waterproof prefabricated coiled material of described tack coat and described separation layer, described method also comprises:
Butyl rubber belt, silicone sealant, epoxy resin or one-component thick-slurry type rubber-asphalt coating is used to carry out overlapping the slot process on the surface of the overlapping the slot of described stickup rubber-asphalt waterproof prefabricated coiled material overlap joint.
At the surface mount rubber-asphalt waterproof prefabricated coiled material of described tack coat and described separation layer after having brushed described binding material, adjacent described rubber-asphalt waterproof prefabricated coiled material can leave overlapping the slot, leak to prevent overlapping the slot, between the overlapping the slot of described rubber-asphalt waterproof prefabricated coiled material, use the one in butyl rubber belt, epoxy resin and one-component thick-slurry type rubber-asphalt coating to carry out overlapping the slot process, wherein, described one-component thick-slurry type rubber-asphalt coating adds a kind of adhesion agent in original rubber-asphalt coating.
In the embodiment of the present invention, preferably, the crack that the road bed board that described gap comprises non-fragment orbit occurs and the shrinkage joint that high ferro non-fragment orbit is preset.
Described crack causes because stressed or temperature is unbalanced, and according to destruction situation, crack may be tiny, also may be through.Be provided with shrinkage joint in military wide high ferro non-fragment orbit, described expansion gap device is made up of different in nature steel and rubber seal tape, and shrinkage joint is arranged in bridge floor topping.The shrinkage joint of ballastless track bridge is directly by anchor bar and topping bar connecting above, and beam-ends topping transverse reinforcement is connected with anti-collision wall embedded bar.
In the embodiment of the present invention, preferably, described isolated material is polyethylene polypropylene or silicone oil paper, and the thickness using described polyethylene polypropylene to brush the described separation layer formed is 0.7mm, and the thickness of described silicone oil paper is 0.2 ~ 0.3mm.
In the embodiment of the present invention, preferably, described binding material is epoxy resin.
In the embodiment of the present invention, preferably, the thickness of the tack coat of described epoxy resin formation is 0.1 ~ 0.2mm.
The thickness of the tack coat that embodiment of the present invention epoxy resin is formed is 0.1 ~ 0.2mm, finds through great many of experiments outlook, and when adhesive layer thickness is greater than 0.2mm, materials are many, and corresponding materials'use costly; When adhesive layer thickness is less than 0.1mm, the adhesion stress of tack coat is little, poor practicability, so adopt the tack coat of 0.1 ~ 0.2mm thickness to reduce maintenance cost in the embodiment of the present invention while meeting gap repairing performance.
In the embodiment of the present invention, preferably, the thickness of described rubber-asphalt waterproof prefabricated coiled material is 2.0mm.
In the embodiment of the present invention, preferably, described non-cured materials is uncured rubber-asphalt waterproof material, described uncured rubber-asphalt waterproof material is made up of modified bitumen, paraffin oil and a filler, and a described modified bitumen is mixed with by direct current pitch, chlorosulfonated polyethylene, dioctyl phthalate and polybutene and forms.
In the embodiment of the present invention, preferably, described uncured rubber-asphalt waterproof material is made up of the dolomite of a modified bitumen of 40 ~ 48% parts by weight, the paraffin oil of 2 ~ 5% parts by weight, the calcium carbonate of 20 ~ 30% parts by weight and 20 ~ 30% parts by weight.
In the embodiment of the present invention, preferably, described uncured rubber-asphalt waterproof material is prepared as follows:
In a described modified bitumen, add the mixing of paraffin oil, calcium carbonate and dolomite successively, comprising: in a modified bitumen, add described paraffin oil; The mixing of described calcium carbonate is added after adding described paraffin oil; Add described dolomite after adding the mixing of described calcium carbonate and continue mixing.
In the embodiment of the present invention, preferably, be as the criterion with described rapid hardening rubber-asphalt waterproof material 100 parts by weight of spraying, described rapid hardening rubber-asphalt waterproof material is made up of the additive of the anionic emulsified bitumen of the vulcanized rubber modification of 20 ~ 90 parts by weight, the rubber latex of 10 ~ 70 parts by weight and 0.1 ~ 10 parts by weight, and the pH value of described rapid hardening rubber-asphalt waterproof material is 7 ~ 13.5.
In the embodiment of the present invention, preferably, the anionic emulsified bitumen of described vulcanized rubber modification is formed by emulsification after the anionic emulsified bitumen of 70 ~ 97 parts by weight and the vulcanized rubber mixing of 3 ~ 30 parts by weight.
Accordingly, the embodiment of the present invention also provides a kind of non-fragment orbit waterproof repairment composite material, and described composite material comprises:
Brush the binding material on both sides, the gap basal plane of high ferro non-fragment orbit, the surface of the isolated material of described binding material and described separation layer be coated with rapid hardening rubber-asphalt waterproof material or be pasted with rubber-asphalt waterproof prefabricated coiled material, the quick setting polymeric emulsion form waterproofing materials that the described rapid hardening rubber-asphalt waterproof material of spraying is formed through emulsification and cross linked by the anionic emulsified bitumen of vulcanized rubber modification, rubber latex and additive.
Embodiments provide a kind of for non-fragment orbit waterproof repairment composite material, described composite material has stronger adhesive power and good toughness; Simultaneously, the rapid hardening rubber asphalt waterproof coating that the embodiment of the present invention adopts is mixed by mulseal, polymer rubber modifier and additive, the pitch of vulcanized rubber modification is used to substitute general mulseal, the waterproof coating made possesses the advantage that hot strength is high, alkali resistant, stability strong, chemical proofing, heat-resisting cold resistance, sunlight resistance and endurance are strong, possesses more outstanding waterproof quality compared to general water-repellent paint.
In the embodiment of the present invention, preferably, the crack that the road bed board that described gap comprises non-fragment orbit occurs and the shrinkage joint that high ferro non-fragment orbit is preset.
In the embodiment of the present invention, preferably, described isolated material is polyethylene polypropylene or silicone oil paper, and the thickness using described polyethylene polypropylene to brush the described separation layer formed is 0.7mm, and the thickness of described silicone oil paper is 0.2 ~ 0.3mm.。
In the embodiment of the present invention, preferably, described binding material is epoxy resin.
In the embodiment of the present invention, preferably, the thickness of the tack coat of described epoxy resin formation is 0.1 ~ 0.2mm.
In the embodiment of the present invention, preferably, the brushing width of described epoxy resin is 100mm.
In the embodiment of the present invention, preferably, the thickness of described rubber-asphalt waterproof prefabricated coiled material is 2.0mm.
In the embodiment of the present invention, preferably, be as the criterion with described rapid hardening rubber-asphalt waterproof material 100 parts by weight of spraying, described rapid hardening rubber-asphalt waterproof material is made up of the additive of the anionic emulsified bitumen of the vulcanized rubber modification of 20 ~ 90 parts by weight, the rubber latex of 10 ~ 70 parts by weight and 0.1 ~ 10 parts by weight, and the pH value of described rapid hardening rubber-asphalt waterproof material is 7 ~ 13.5.
In the embodiment of the present invention, preferably, the anionic emulsified bitumen of described vulcanized rubber modification is formed by emulsification after the anionic emulsified bitumen of 70 ~ 97 parts by weight and the vulcanized rubber mixing of 3 ~ 30 parts by weight.
For making those skilled in the art understand the present invention better, illustrate that the present invention adopts composite material to carry out the method for non-fragment orbit waterproof repairment below by way of multiple specific embodiment.
Embodiment 1
With reference to Fig. 2, the described method fracture that utilizes that it illustrates the embodiment of the present invention carries out keeping in repair the structural representation in rear crack.In Fig. 2, the perpendicular type structure of basal plane bottom black is the crack 4 of non-fragment orbit, add described uncured rubber asphalt material 3 in described crack 4 after the cleaning, stop adding when the end face of the described uncured rubber asphalt material 3 added flushes with the basal plane on both sides, described crack.After filling completes, brushing a layer thickness at the end face of described uncured rubber asphalt material 3 is that the polyethylene polypropylene 2 of 0.7mm is as separation layer, brush the length of described separation layer and the wide length that is greater than described crack respectively and wide, the separation layer that the polyethylene polypropylene 2 that in Fig. 2, above crack 4, bossing is brushing is formed, the epoxy resin 5 that thickness is 0.1mm, width is 100mm (marking in Fig. 2) is brushed, rapidly at described separation layer and tie layer surface spraying rapid hardening rubber-asphalt waterproof material 1 after having brushed tack coat on the both sides of next-door neighbour's separation layer.
With reference to Fig. 3, the described method fracture that utilizes that it illustrates the embodiment of the present invention carries out the schematic diagram of road bed board plan structure after edge sealing process.In Fig. 3, road bed board 6 occurs road bed board crack 7, and method is keeped in repair described crack according to the embodiment of the present invention, after having cleared up described crack, butyl rubber belt 8 is utilized to carry out edge sealing process to two ends, gap cross section, then filling is carried out uncured, paving separation layer, spraying rapid hardening rubber-asphalt waterproof material, make the road bed board crack 7 after keeping in repair more tight, preventing external impurities from degenerating rapid hardening rubber-asphalt waterproof material 1 or entering road bed board crack 7 affects the performances such as its water proofing property, caking property or toughness.
Embodiment 2
With reference to Fig. 4, the described method that utilizes that it illustrates the embodiment of the present invention carries out the structural representation in crack after crack treatment to road bed board.The perpendicular type structure of two black in Fig. 4 further groove basal plane bottom is crack 4, described uncured rubber asphalt material 3 is added in described crack 4 after the cleaning, stop adding when the end face of the described uncured rubber asphalt material 3 added flushes with the groove basal plane on both sides, described crack 4, silicone sealant is used to carry out edge sealing process to described crack 4, then brushing a layer thickness on the surface of the uncured rubber asphalt material 3 of Tian Jiaing is that the polyethylene polypropylene 2 of 0.7mm is as separation layer, brushing thickness on the both sides of next-door neighbour's separation layer is 0.2mm, width is the epoxy resin 5 of 100mm.Find through spraying experiment, during direct spraying, the spraying width 100mm of rapid hardening rubber-asphalt waterproof material on the concrete surface that accurately can not ensure separation layer both sides, so in embodiments of the present invention, directly directly buy prefabricated rubber-asphalt waterproof prefabricated coiled material 9 from factory, rubber-asphalt waterproof prefabricated coiled material 9 is pasted at described separation layer and tie layer surface rapidly after having brushed tack coat, re-use the overlapping the slot of butyl rubber belt to adjacent described rubber-asphalt waterproof prefabricated coiled material and carry out overlapping the slot process, namely complete the maintenance in whole crack 4.
Embodiment 3
When keeping in repair the shrinkage joint of high ferro non-fragment orbit, in described shrinkage joint after the cleaning, first silicone sealant is utilized to carry out edge sealing process to shrinkage joint, then described uncured rubber asphalt material is added, stop adding when the non-cured materials end face added flushes with the groove basal plane on both sides, described crack, then laying a layer thickness on the non-cured materials surface of adding is that the silicone oil paper of 0.3mm is as separation layer, brushing thickness on the both sides of next-door neighbour's separation layer is 0.15mm, width is the epoxy resin of 100mm, rubber-asphalt waterproof prefabricated coiled material is pasted at described separation layer and tie layer surface rapidly after having brushed tack coat, re-use the overlapping the slot of butyl rubber belt to adjacent described rubber-asphalt waterproof prefabricated coiled material and carry out overlapping the slot process, namely the maintenance at whole shrinkage joint is completed.
Embodiment 4
When keeping in repair the shrinkage joint of high ferro non-fragment orbit, in described shrinkage joint after the cleaning, first butyl rubber belt is utilized to carry out edge sealing process to two ends, gap cross-section, recharge described uncured rubber asphalt material, stop adding when the non-cured materials end face added flushes with the groove basal plane on both sides, described crack, then lay on the non-cured materials surface of adding the silicone oil paper that a layer thickness is 0.2mm, brushing thickness on the both sides of next-door neighbour's separation layer is 0.15mm, width is the epoxy resin of 100mm, rubber-asphalt waterproof prefabricated coiled material is pasted at described separation layer and tie layer surface rapidly after having brushed tack coat, the overlapping the slot of epoxy resin to adjacent described rubber-asphalt waterproof prefabricated coiled material is used to carry out overlapping the slot process, namely the maintenance at whole shrinkage joint is completed.
Embodiment 5
When keeping in repair the shrinkage joint of high ferro non-fragment orbit, described shrinkage joint after the cleaning, first butyl rubber belt is utilized to carry out edge sealing process to shrinkage joint, then described uncured rubber asphalt material is filled, stop adding when the non-cured materials end face added flushes with the groove basal plane on both sides, described crack, then lay on the non-cured materials surface of adding the silicone oil paper that a layer thickness is 0.25mm, brushing thickness on the both sides of next-door neighbour's separation layer is 0.1mm, width is the epoxy resin of 100mm, rubber-asphalt waterproof prefabricated coiled material is pasted at described separation layer and tie layer surface rapidly after having brushed tack coat, re-use the overlapping the slot of one-component thick-slurry type rubber-asphalt coating to adjacent described rubber-asphalt waterproof prefabricated coiled material and carry out overlapping the slot process, namely the maintenance at whole shrinkage joint is completed.
Above to a kind of method adopting composite material to carry out non-fragment orbit waterproof repairment provided by the present invention, and a kind of non-fragment orbit waterproof repairment composite material is described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. adopt composite material to carry out a method for non-fragment orbit waterproof repairment, it is characterized in that, described method comprises:
The gap of cleaning non-fragment orbit, uncured rubber-asphalt waterproof material is filled, until the end face of described uncured rubber-asphalt waterproof material flushes with the basal plane of both sides, described gap in inside, described gap after the cleaning;
Lay one deck isolated material at the end face of described uncured rubber-asphalt waterproof material and form separation layer;
The concrete surface of described separation layer both sides is brushed binding material and forms tack coat;
Having brushed after described binding material at the surface spraying rapid hardening rubber-asphalt waterproof material of described tack coat and described separation layer or pasted rubber-asphalt waterproof prefabricated coiled material, the described rapid hardening rubber-asphalt waterproof material of spraying or the described rubber-asphalt waterproof prefabricated coiled material of stickup and described adhering with epoxy resin form described composite material.
2. the method for claim 1, is characterized in that, uses butyl rubber belt or silicone sealant to described gap to carry out edge sealing process before filling described non-cured materials or after the described non-cured materials of filling after the gap of the described non-fragment orbit of cleaning.
3. the method for claim 1, is characterized in that, described after the surface mount rubber-asphalt waterproof prefabricated coiled material of described tack coat and described separation layer, described method also comprises:
Butyl rubber belt, epoxy resin or one-component thick-slurry type rubber-asphalt coating is used to carry out overlapping the slot process on the surface of the overlapping the slot of described stickup rubber-asphalt waterproof prefabricated coiled material overlap joint.
4. the method for claim 1, is characterized in that, the crack that the road bed board that described gap comprises non-fragment orbit occurs and the shrinkage joint that high ferro non-fragment orbit is preset.
5. the method for claim 1, is characterized in that, described isolated material is polyethylene polypropylene or silicone oil paper, and the thickness using described polyethylene polypropylene to brush the described separation layer formed is 0.7mm, and the thickness of described silicone oil paper is 0.2 ~ 0.3mm.
6. the method for claim 1, is characterized in that,
Described binding material is epoxy resin, and the thickness of the described tack coat that described epoxy resin is formed is 0.1 ~ 0.2mm, and the brushing width of described epoxy resin is 100mm;
The thickness of described rubber-asphalt waterproof prefabricated coiled material is 2.0mm.
7. the method for claim 1, it is characterized in that, described uncured rubber-asphalt waterproof material is made up of the dolomite of a modified bitumen of 40 ~ 48% parts by weight, the paraffin oil of 2 ~ 5% parts by weight, the calcium carbonate of 20 ~ 30% parts by weight and 20 ~ 30% parts by weight;
Described uncured rubber-asphalt waterproof material is prepared as follows:
In a described modified bitumen, add the mixing of paraffin oil, calcium carbonate and dolomite successively, comprising: in a modified bitumen, add described paraffin oil; The mixing of described calcium carbonate is added after adding described paraffin oil; Add described dolomite after adding the mixing of described calcium carbonate and continue mixing;
A described modified bitumen is mixed with by direct current pitch, chlorosulfonated polyethylene, dioctyl phthalate and polybutene and forms.
8. the method for claim 1, it is characterized in that, be as the criterion with described rapid hardening rubber-asphalt waterproof material 100 parts by weight of spraying, described rapid hardening rubber-asphalt waterproof material is made up of the additive of the anionic emulsified bitumen of the vulcanized rubber modification of 20 ~ 90 parts by weight, the rubber latex of 10 ~ 70 parts by weight and 0.1 ~ 10 parts by weight, and the pH value of described rapid hardening rubber-asphalt waterproof material is 7 ~ 13.5;
The anionic emulsified bitumen of described vulcanized rubber modification mixes rear emulsification by the anionic emulsified bitumen of 70 ~ 97 parts by weight and the vulcanized rubber of 3 ~ 30 parts by weight and forms.
9. a non-fragment orbit waterproof repairment composite material, is characterized in that, comprising:
Brush the binding material on the concrete surface of the both sides, gap of non-fragment orbit;
Wherein, inside, described gap has filled uncured rubber-asphalt waterproof material, until the end face of described uncured rubber-asphalt waterproof material flushes with the concrete surface of both sides, described gap, and lay one deck separation layer at the end face of described uncured rubber-asphalt waterproof material, described binding material is brushed on the concrete surface of described separation layer both sides;
The surface spraying of the isolated material of described binding material and described separation layer has rapid hardening rubber-asphalt waterproof material or is pasted with rubber-asphalt waterproof prefabricated coiled material;
Wherein, the quick setting polymeric emulsion form waterproofing materials that formed through emulsification and cross linked by the anionic emulsified bitumen of vulcanized rubber modification, rubber latex and additive of the described rapid hardening rubber-asphalt waterproof material of spraying.
10. composite material as claimed in claim 9, is characterized in that, the crack that the road bed board that described gap comprises non-fragment orbit occurs and the shrinkage joint that high ferro non-fragment orbit is preset.
11. composite materials as claimed in claim 9, is characterized in that,
Described isolated material is or silicone oil paper, and the thickness using described polyethylene polypropylene to brush the described separation layer formed is 0.7mm, and the thickness of described silicone oil paper is 0.2 ~ 0.3mm; Described binding material is epoxy resin, and the thickness of the described tack coat that described epoxy resin is formed is 0.1 ~ 0.2mm, and the brushing width of described epoxy resin is 100mm;
The thickness of described rubber-asphalt waterproof prefabricated coiled material is 2.0mm.
12. composite materials as claimed in claim 9, it is characterized in that, be as the criterion with described rapid hardening rubber-asphalt waterproof material 100 parts by weight of spraying, described rapid hardening rubber-asphalt waterproof material is made up of the additive of the anionic emulsified bitumen of the vulcanized rubber modification of 20 ~ 90 parts by weight, the rubber latex of 10 ~ 70 parts by weight and 0.1 ~ 10 parts by weight, and the pH value of described rapid hardening rubber-asphalt waterproof material is 7 ~ 13.5;
The anionic emulsified bitumen of described vulcanized rubber modification mixes rear emulsification by the anionic emulsified bitumen of 70 ~ 97 parts by weight and the vulcanized rubber of 3 ~ 30 parts by weight and forms.
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| CN113444452A (en) * | 2021-05-31 | 2021-09-28 | 大禹伟业(北京)国际科技有限公司 | Construction method of composite waterproof layer for building structural engineering |
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