CN108383425A - Caulking material for bridge pavement expansion joint and method of squeegeeing - Google Patents
Caulking material for bridge pavement expansion joint and method of squeegeeing Download PDFInfo
- Publication number
- CN108383425A CN108383425A CN201810164645.7A CN201810164645A CN108383425A CN 108383425 A CN108383425 A CN 108383425A CN 201810164645 A CN201810164645 A CN 201810164645A CN 108383425 A CN108383425 A CN 108383425A
- Authority
- CN
- China
- Prior art keywords
- parts
- caulking material
- expansion joint
- weight
- present
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
- C04B2111/00672—Pointing or jointing materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The present invention provides a kind of caulking material for bridge pavement expansion joint and methods of squeegeeing, using butyl rubber, pitch, filler, inorfil, isocyanates, tetraethoxide triamine, glycidyl methacrylate, silicone oil, sugar alcohol, acrylic acid styrene-butadiene emulsion, polyvinyl acetate emulsion powder, thixotropic agent, stabilizer, swelling agent, lubricant, antifoaming agent and surfactant as caulking material made from raw material, with wear-resisting, pressure-resistant, ageing-resistant performance, and there is extremely strong glueability, the long-term Impact Load of vehicle can be born；In addition required time is squeegeeed and conserved to caulking material provided by the invention to substantially reduce the later stage, can achieve the purpose that quick open to traffic.
Description
Technical field
The invention belongs to express highway roadbed field, more particularly to a kind of caulking material for bridge pavement expansion joint and
It squeegees method.
Background technology
Expansion joint is a kind of pitch masonry-infilled frame structures, currently, being led in bridge expanssion joint notch breakage recovery technique
Domain, since expansion gap device sheet is as prefabricated component, bridge expanssion joint repair process needs, to reserved notch construction, then to pour mixed
Solidifying soil and expansion gap device, carry out concrete curing later, at present in bridge expanssion joint replacement process, take longer two
Key link is the construction of reserved notch and pouring and conserving for concrete in expansion joint, is particularly due to concrete curing institute
The length that takes time leads to concreting and maintenance the holding time longest in entire replacement process.But urban transportation is difficult to bear
Interruption of communication caused by conserving for a long time in this way, therefore generally existing bridge both sides concrete curing deficiency, that is, open to traffic is asked
Topic.To save bridge expanssion joint replacing construction, the time required to needing to save later stage concreting and maintenance as possible.Therefore it realizes
It is a kind of not only durable reliable, but also energy rapid construction, the technology for meeting current desired expansion joint quick-replaceable reparation are one urgent
Demand.
Invention content
The present invention proposes a kind of caulking material for bridge pavement expansion joint and method of squeegeeing, and substantially reduces later stage benefit
The time required to seam and maintenance, it can achieve the purpose that quick open to traffic.
The technical proposal of the invention is realized in this way：
A kind of caulking material for bridge pavement expansion joint includes the raw material of following parts by weight：
Preferably, the filler includes gypsum, flyash, talcum, sepiolite, bentonite and diatomite.
Preferably, the grain size of the gypsum is 50~100 mesh；The grain size of the flyash, the talcum, the sepiolite
For 100~200 mesh；The bentonite is 200~300 mesh with the diatomaceous grain size.
Preferably, the inorfil includes cotton fiber and polyester fiber.
Preferably, the isocyanates is isophorone polyisocyanates or methyl diphenylene diisocyanate.
Preferably, the thixotropic agent is aerosil；The stabilizer is calcium stearate, ricinoleic acid calcium or tristearin
Sour zinc；The lubricant is nylon or graphite；The antifoaming agent be polyoxyethylene polyoxy propyl alcohol amidogen ether, dimethyl silicone polymer or
Silicone emulsion；The surfactant is neopelex, lauric acid polyoxyethylene ester or castor oil polyoxyethylene ether.
Preferably, the swelling agent includes sodium gluconate, red mud, sodium methyl silicate, maleic acid di-sec-octyl
Sodium sulfonate, calcium stearate, sulfamic acid and lime stone.
The present invention also provides a kind of method for repairing and mending for bridge pavement expansion joint, include the following steps：
A) crack Surface layer's concrete is dug out along fracture strike, the compressed air for being 0.2MPa or more with air pressure is removed in crack
Floating dust；
B) the above-mentioned caulking material for bridge pavement expansion joint is poured into glue injection machine, to crack inject crack material until
Then caulking material is struck off full of crack mouthful with concrete slurry, stand maintenance and complete repairing.
The present invention provides a kind of caulking material for bridge pavement expansion joint and methods of squeegeeing, with butyl rubber, drip
Blueness, filler, inorfil, isocyanates, tetraethoxide triamine, glycidyl methacrylate, silicone oil, sugar alcohol, acrylic acid fourth
Benzene lotion, polyvinyl acetate emulsion powder, thixotropic agent, stabilizer, swelling agent, lubricant, antifoaming agent and surfactant are original
Material caulking material obtained, has wear-resisting, pressure-resistant, ageing-resistant performance, and have extremely strong glueability, it is long-term to bear vehicle
Impact Load；In addition required time is squeegeeed and conserved to caulking material provided by the invention to substantially reduce the later stage,
It can achieve the purpose that quick open to traffic.
Specific implementation mode
A kind of caulking material for bridge pavement expansion joint proposed by the present invention, includes the raw material of following parts by weight：
In above-mentioned technical proposal, with butyl rubber, pitch, filler, inorfil, isocyanates, tetraethoxide triamine, methyl
It is glycidyl acrylate, silicone oil, sugar alcohol, acrylic acid styrene-butadiene emulsion, polyvinyl acetate emulsion powder, thixotropic agent, stabilizer, swollen
Swollen dose, lubricant, antifoaming agent and surfactant are caulking material made from raw material, have wear-resisting, pressure-resistant, ageing-resistant performance,
And there is extremely strong glueability, the long-term Impact Load of vehicle can be born；In addition caulking material provided by the invention from
And substantially reduce the later stage and squeegee and conserve required time, it can achieve the purpose that quick open to traffic.
Butyl rubber and pitch enable to combine closely between caulking material and road surface, and expansion joint is effectively prevent to open again
It splits.In the present invention, the parts by weight of butyl rubber are 50~80 parts；In an embodiment of the present invention, the weight of butyl rubber
Number is 55~75 parts；In other embodiments, the parts by weight of butyl rubber are 60~70 parts.
In the present invention, the parts by weight of pitch are 30~50 parts；In an embodiment of the present invention, the parts by weight of pitch
It is 34~45 parts；In other embodiments, the parts by weight of pitch are 38~42 parts.
In an embodiment of the present invention, in order to improve bridge pavement compression strength and shock resistance.Filler include gypsum,
Flyash, talcum, sepiolite, bentonite and diatomite.In other embodiments, gypsum, flyash, talcum, sepiolite, swelling
Native and diatomaceous mass ratio is (2~3)：(1~2)：(0.5~0.8)：(0.3~0.5)：(1.2~1.5)：(0.3~
0.4)。
It should be noted that gypsum can reduce the shrinking percentage of caulking material；Flyash and diatomite are for improving filleting
The wear-resisting property of material；Talcum is used to improve the corrosion resistance of caulking material；Bentonite is for improving the impervious of caulking material
Performance；Sepiolite is used to improve the hardness of caulking material.
In the present invention, the parts by weight of filler are 80~100 parts；In an embodiment of the present invention, the parts by weight of filler
Number is 83~96 parts；In other embodiments, the parts by weight of filler are 85~92 parts.
In an embodiment of the present invention, caulking material falls off from gap in order to prevent, inorfil include cotton fiber and
Polyester fiber.In other embodiments, the mass ratio of cotton fiber and polyester fiber is (1~2)：(0.6~0.8).
In the present invention, the parts by weight of inorfil are 10~18 parts；In an embodiment of the present invention, inorfil
Parts by weight are 12~16 parts；In other embodiments, the parts by weight of inorfil are 13~15 parts.
Isocyanates is used to reduce the shrinking percentage of caulking material.In an embodiment of the present invention, isocyanates is different Fo Er
Ketone polyisocyanates or methyl diphenylene diisocyanate.
In the present invention, the parts by weight of isocyanates are 1~2 part；In an embodiment of the present invention, the weight of isocyanates
It is 1.2~1.8 parts to measure number；In other embodiments, the parts by weight of isocyanates are 1.4~1.6 parts.
Tetraethoxide triamine is used to improve the compression strength of caulking material.In the present invention, the parts by weight of tetraethoxide triamine
It is 0.5~0.8 part；In an embodiment of the present invention, the parts by weight of tetraethoxide triamine are 0.55~0.75 part；In other implementations
In example, the parts by weight of tetraethoxide triamine are 0.6~0.7 part.
Glycidyl methacrylate is used to improve the adhesive property of caulking material.In the present invention, methacrylic acid
The parts by weight of ethylene oxidic ester are 2~3 parts；In an embodiment of the present invention, the parts by weight of glycidyl methacrylate
Number is 2.2~2.8 parts；In other embodiments, the parts by weight of glycidyl methacrylate are 2.4~2.6 parts.
Silicone oil is used to improve the cracking resistance of caulking material.In the present invention, the parts by weight of silicone oil are 3~5 parts；At this
In the embodiment of invention, the parts by weight of silicone oil are 3.4~4.7 parts；In other embodiments, the parts by weight of silicone oil are 3.8
~4.2 parts.
The compression strength that sugar alcohol can reduce mixing water amount, improve caulking material.In an embodiment of the present invention, sugar alcohol is
D-sorbite, mannitol, maltitol, lactitol or xylitol.
In the present invention, the parts by weight of sugar alcohol are 4~7 parts；In an embodiment of the present invention, the parts by weight of sugar alcohol are
4.5~6.5 parts；In other embodiments, the parts by weight of sugar alcohol are 5~6 parts.
Acrylic acid styrene-butadiene emulsion is used to improve the anti-permeability performance of caulking material.In the present invention, acrylic acid styrene-butadiene emulsion
Parts by weight are 3~5 parts；In an embodiment of the present invention, the parts by weight of acrylic acid styrene-butadiene emulsion are 3.3~4.7 parts；At it
In his embodiment, the parts by weight of acrylic acid styrene-butadiene emulsion are 3.7~4.2 parts.
Polyvinyl acetate emulsion powder is used to improve the antiseptic property of caulking material.In the present invention, polyvinyl acetate
The parts by weight of latex powder are 4~6 parts；In an embodiment of the present invention, the parts by weight of polyvinyl acetate emulsion powder are 4.4
~5.6 parts；In other embodiments, the parts by weight of polyvinyl acetate emulsion powder are 4.8~5.2 parts.
Thixotropic agent is used to improve the cracking resistance of caulking material；In an embodiment of the present invention, thixotropic agent is gas phase dioxy
SiClx.
In the present invention, the parts by weight of thixotropic agent are 1~2 part；In an embodiment of the present invention, the parts by weight of thixotropic agent
Number is 1.2~1.8 parts；In other embodiments, the parts by weight of thixotropic agent are 1.4~1.6 parts.
Stabilizer is used to improve the stability of caulking material；In an embodiment of the present invention, stabilizer be calcium stearate,
Ricinoleic acid calcium or zinc stearate.
In the present invention, the middle number of stabilizer is 2~3 parts；In an embodiment of the present invention, the parts by weight of stabilizer
It is 2.3~2.8 parts；In other embodiments, the parts by weight of stabilizer are 2.5~2.6 parts.
Swelling agent can improve the cracking resistance of caulking material；In an embodiment of the present invention, swelling agent includes grape
Sodium saccharate, red mud, sodium methyl silicate, disecoctylmaleate sodium sulfonate, calcium stearate, sulfamic acid and lime stone.
In other embodiment, sodium gluconate, red mud, sodium methyl silicate, disecoctylmaleate sodium sulfonate, calcium stearate, ammonia
The mass ratio of base sulfonic acid and lime stone is (0.3~0.5)：(1~2)：(0.2~0.4)：(0.1~0.2)：(0.3~0.4)：
(0.1~0.15)：(0.5~0.7).
In the present invention, the parts by weight of swelling agent are 4~7 parts；In an embodiment of the present invention, the parts by weight of swelling agent
Number is 4.5~6.5 parts；In other embodiments, the parts by weight of swelling agent are 5~6 parts.
Lubricant is used to improve the corrosion resistance of caulking material；In an embodiment of the present invention, lubricant be nylon or
Graphite.
In the present invention, the parts by weight of lubricant are 2~4 parts；In an embodiment of the present invention, the parts by weight of lubricant
Number is 2.4~3.6 parts；In other embodiments, the parts by weight of lubricant are 2.8~3.2 parts.
Antifoaming agent is used to improve the compactness of caulking material, so that the compression strength of bridge pavement gets a promotion.
In the embodiment of the present invention, antifoaming agent is polyoxyethylene polyoxy propyl alcohol amidogen ether, dimethyl silicone polymer or silicone emulsion.
In the present invention, the parts by weight of antifoaming agent are 2~4 parts；In an embodiment of the present invention, the parts by weight of antifoaming agent
Number is 2.3~3.7 parts；In other embodiments, the parts by weight of antifoaming agent are 2.8~3.3 parts.
Surfactant is used to improve the dispersing uniformity of caulking material.In an embodiment of the present invention, surfactant
For neopelex, lauric acid polyoxyethylene ester or castor oil polyoxyethylene ether.
In the present invention, the parts by weight of surfactant are 3~5 parts；In an embodiment of the present invention, surfactant
Parts by weight be 3.5~4.5 parts；In other embodiments, the parts by weight of surfactant are 3.8~4.2 parts.
The present invention also provides a kind of method for repairing and mending for bridge pavement expansion joint, include the following steps：
A) crack Surface layer's concrete is dug out along fracture strike, the compressed air for being 0.2MPa or more with air pressure is removed in crack
Floating dust；
B) caulking material that bridge pavement expansion joint is used for described in any one of claim 1~6 is poured into glue injection machine, to splitting
Seam injection crack material is full of crack mouthful until caulking material, is then struck off with concrete slurry, stands maintenance and completes to repair.
Wherein, butyl rubber, pitch, filler, inorfil, isocyanates, tetraethoxide triamine, Glycidyl methacrylate are sweet
Grease, silicone oil, sugar alcohol, acrylic acid styrene-butadiene emulsion, polyvinyl acetate emulsion powder, thixotropic agent, stabilizer, swelling agent, lubricant,
Antifoaming agent and surfactant are same as above, and details are not described herein.
In above-mentioned technical proposal, has slotless design, the smooth beauty of shape, vehicle smooth ride, service life long, have good
Good water proofing property, easy construction is quick, and maintaining is convenient, the low advantage of maintenance cost.
In order to further illustrate the present invention, with reference to embodiment to provided by the present invention for bridge pavement expansion joint
Caulking material and the method for squeegeeing are described in detail, but cannot they be interpreted as limiting the scope of the present invention.
Embodiment 1
For the caulking material at bridge pavement expansion joint, include the raw material of following parts by weight：
55 parts of butyl rubbers, 38 parts of pitches, 92 parts of fillers, 13 parts of inorfils, 1.4 parts of isophorone polyisocyanates,
0.7 part of tetraethoxide triamine, 2.8 parts of glycidyl methacrylate, 4.7 parts of silicone oil, 4.5 parts of D-sorbites, 3.7 parts of acrylic acid
Styrene-butadiene emulsion, 4.4 parts of polyvinyl acetate emulsion powder, 1.2 parts of aerosils, 2.8 parts of calcium stearates, 4 parts of swelling agents,
2.8 parts of nylon, 2 parts of polyoxyethylene polyoxy propyl alcohol amidogen ethers and 4.2 parts of neopelexes.
Filler includes that mass ratio is 2:2:0.65:0.45:1.2:0.3 gypsum, flyash, talcum, sepiolite, swelling
Soil and diatomite；The grain size of gypsum is 50~100 mesh；Flyash, talcum, sepiolite grain size be 100~200 mesh；Bentonite
It is 200~300 mesh with diatomaceous grain size；
Inorfil includes that mass ratio is 1:0.8 cotton fiber and polyester fiber；
Swelling agent includes that mass ratio is 0.3:1.8:0.32:0.2:0.3:0.11:0.63 sodium gluconate, red mud,
Sodium methyl silicate, disecoctylmaleate sodium sulfonate, calcium stearate, sulfamic acid and lime stone.
Embodiment 2
For the caulking material at bridge pavement expansion joint, include the raw material of following parts by weight：
75 parts of butyl rubbers, 42 parts of pitches, 96 parts of fillers, 12 parts of inorfils, 1.8 parts of diphenylmethane diisocyanates
Ester, 0.6 part of tetraethoxide triamine, 2 parts of glycidyl methacrylate, 5 parts of silicone oil, 5 parts of mannitols, 3.4 parts of acrylic acid fourths
Benzene lotion, 5.2 parts of polyvinyl acetate emulsion powder, 1.6 parts of aerosils, 3 parts of calcium stearates, 5 parts of swelling agents, 2 parts of stones
Ink, 2.3 parts of silicone emulsions and 3.5 parts of sesame oil polyoxyethylene ether.
Filler includes that mass ratio is 2.2:1.8:0.5:0.35:1.25:0.28 gypsum, flyash, talcum, Hai Pao
Stone, bentonite and diatomite；The grain size of gypsum is 50~100 mesh；Flyash, talcum, sepiolite grain size be 100~200 mesh；
Bentonite is 200~300 mesh with diatomaceous grain size；
Inorfil includes that mass ratio is 1.2:0.7 cotton fiber and polyester fiber；
Swelling agent includes that mass ratio is 0.45:1.4:0.3:0.18:0.32:0.12:0.6 sodium gluconate, red mud,
Sodium methyl silicate, disecoctylmaleate sodium sulfonate, calcium stearate, sulfamic acid and lime stone.
Embodiment 3
For the caulking material at bridge pavement expansion joint, include the raw material of following parts by weight：
50 parts of butyl rubbers, 50 parts of pitches, 100 parts of fillers, 10 parts of inorfils, 1 part of isophorone polyisocyanates,
0.75 part of tetraethoxide triamine, 3 parts of glycidyl methacrylate, 3 parts of silicone oil, 6 parts of maltitols, 3 parts of acrylic acid butylbenzene breasts
Liquid, 4 parts of polyvinyl acetate emulsion powder, 1.8 parts of aerosils, 2 parts of zinc stearates, 6 parts of swelling agents, 4 parts of nylon, 2.7
Part polyoxyethylene polyoxy propyl alcohol amidogen ether and 3 parts of sesame oil polyoxyethylene ether.
Filler includes that mass ratio is 2.4:1.6:0.75:0.3:1.3:0.24 gypsum, flyash, talcum, sepiolite,
Bentonite and diatomite；The grain size of gypsum is 50~100 mesh；Flyash, talcum, sepiolite grain size be 100~200 mesh；It is swollen
Profit soil is 200~300 mesh with diatomaceous grain size；
Inorfil includes that mass ratio is 1.6:0.6 cotton fiber and polyester fiber；
Swelling agent includes that mass ratio is 0.45:1.2:0.4:0.16:0.34:0.13:0.7 sodium gluconate, red mud,
Sodium methyl silicate, disecoctylmaleate sodium sulfonate, calcium stearate, sulfamic acid and lime stone.
Embodiment 4
For the caulking material at bridge pavement expansion joint, include the raw material of following parts by weight：
80 parts of butyl rubbers, 30 parts of pitches, 80 parts of fillers, 15 parts of inorfils, 2 parts of methyl diphenylene diisocyanates,
0.8 part of tetraethoxide triamine, 2.2 parts of glycidyl methacrylate, 3.4 parts of silicone oil, 4 parts of lactitols, 5 parts of acrylic acid butylbenzene breasts
Liquid, 5.6 parts of polyvinyl acetate emulsion powder, 1 part of aerosil, 2.6 parts of calcium stearates, 4.5 parts of swelling agents, 3.6 parts of stones
Ink, 3.3 parts of silicone emulsions and 5 parts of neopelexes.
Filler includes that mass ratio is 2.6:1.4:0.8:0.4:1.45:0.26 gypsum, flyash, talcum, sepiolite,
Bentonite and diatomite；The grain size of gypsum is 50~100 mesh；Flyash, talcum, sepiolite grain size be 100~200 mesh；It is swollen
Profit soil is 200~300 mesh with diatomaceous grain size；
Inorfil includes that mass ratio is 2:0.65 cotton fiber and polyester fiber；
Swelling agent includes that mass ratio is 0.5:1.8:0.35:0.14:0.36:0.15:It is 0.65 sodium gluconate, red
Mud, sodium methyl silicate, disecoctylmaleate sodium sulfonate, calcium stearate, sulfamic acid and lime stone.
Embodiment 5
For the caulking material at bridge pavement expansion joint, include the raw material of following parts by weight：
60 parts of butyl rubbers, 45 parts of pitches, 83 parts of fillers, 16 parts of inorfils, 1.2 parts of isophorone polyisocyanates,
0.5 part of tetraethoxide triamine, 2.6 parts of glycidyl methacrylate, 3.8 parts of silicone oil, 7 parts of xylitols, 4.7 parts of acrylic acid butylbenzene
Lotion, 4.8 parts of polyvinyl acetate emulsion powder, 2 parts of aerosils, 2.3 parts of ricinoleic acid calcium, 5.5 swelling agents, 3.2 parts
Nylon, 2.8 parts of dimethyl silicone polymers and 3.8 parts of lauric acid polyoxyethylene esters.
Filler includes that mass ratio is 2.8:1.2:0.6:0.5:0.5:1.5:0.22 gypsum, flyash, talcum, Hai Pao
Stone, bentonite and diatomite；The grain size of gypsum is 50~100 mesh；Flyash, talcum, sepiolite grain size be 100~200 mesh；
Bentonite is 200~300 mesh with diatomaceous grain size；
Inorfil includes that mass ratio is 1.8:0.75 cotton fiber and polyester fiber；
Swelling agent includes that mass ratio is 0.4:1.6:0.25:0.12:0.38:0.14:It is 0.55 sodium gluconate, red
Mud, sodium methyl silicate, disecoctylmaleate sodium sulfonate, calcium stearate, sulfamic acid and lime stone.
Embodiment 6
For the caulking material at bridge pavement expansion joint, include the raw material of following parts by weight：
70 parts of butyl rubbers, 35 parts of pitches, 85 parts of fillers, 18 parts of inorfils, 1.6 parts of diphenylmethane diisocyanates
Ester, 0.55 part of tetraethoxide triamine, 2.4 parts of glycidyl methacrylate, 4.2 parts of silicone oil, 6.5 parts of D-sorbites, 4.2 part third
Olefin(e) acid styrene-butadiene emulsion, 6 parts of polyvinyl acetate emulsion powder, 1.4 parts of aerosils, 2.5 parts of zinc stearates, 7 parts of swelling agents,
2.4 parts of graphite, 4 parts of polyoxyethylene polyoxy propyl alcohol amidogen ethers and 4.5 parts of sesame oil polyoxyethylene ether.
Filler includes that mass ratio is 3:1:0.7:0.45:1.4:0.2 gypsum, flyash, talcum, sepiolite, swelling
Soil and diatomite；The grain size of gypsum is 50~100 mesh；Flyash, talcum, sepiolite grain size be 100~200 mesh；Bentonite
It is 200~300 mesh with diatomaceous grain size；
Inorfil includes that mass ratio is 1.4:0.6 cotton fiber and polyester fiber；
Swelling agent includes that mass ratio is 0.35:1:0.2:0.1:0.4:0.1:0.5 sodium gluconate, red mud, methyl
Sodium metasilicate, disecoctylmaleate sodium sulfonate, calcium stearate, sulfamic acid and lime stone.
Embodiment 7
For the caulking material at bridge pavement expansion joint, include the raw material of following parts by weight：
75 parts of butyl rubbers, 40 parts of pitches, 90 parts of fillers, 14 parts of inorfils, 1.5 parts of isophorone polyisocyanates,
0.65 part of tetraethoxide triamine, 2.5 parts of glycidyl methacrylate, 4 parts of silicone oil, 5.5 parts of maltitols, 4 parts of acrylic acid fourths
Benzene lotion, 5 parts of polyvinyl acetate emulsion powder, 1.5 parts of aerosils, 2.5 parts of ricinoleic acid calcium, 5.5 parts of swelling agents, 3
Part nylon, 3 parts of dimethyl silicone polymers and 4 parts of lauric acid polyoxyethylene esters.
Filler includes that mass ratio is 2.5:1.5:0.65:0.4:1.35:0.35 gypsum, flyash, talcum, Hai Pao
Stone, bentonite and diatomite；The grain size of gypsum is 50~100 mesh；Flyash, talcum, sepiolite grain size be 100~200 mesh；
Bentonite is 200~300 mesh with diatomaceous grain size；
Inorfil includes that mass ratio is 1.5:0.7 cotton fiber and polyester fiber；
Swelling agent includes that mass ratio is 0.4:1.5:0.3:0.15:0.35:0.13:0.6 sodium gluconate, red mud,
Sodium methyl silicate, disecoctylmaleate sodium sulfonate, calcium stearate, sulfamic acid and lime stone.
Embodiment 8~14
The caulking material for bridge pavement expansion joint is made for repairing bridge with Examples 1 to 7 respectively in embodiment 8~14
Beam road surface expansion joint, method for repairing and mending include the following steps：
A) crack Surface layer's concrete is dug out along fracture strike, the compressed air for being 0.2MPa or more with air pressure is removed in crack
Floating dust；
B) caulking material for being used for bridge pavement expansion joint made from Examples 1 to 7 is poured into glue injection machine, is injected to crack
Crack material is full of crack mouthful until caulking material, is then struck off with concrete slurry, stands maintenance and completes to repair.
The caulking material property indices at bridge pavement expansion joint will be used for made from Examples 1 to 7 as a result, being shown in Table 1.
1 experimental result of table
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention oily god.
Claims (9)
1. a kind of caulking material for bridge pavement expansion joint, which is characterized in that include the raw material of following parts by weight：
2. caulking material according to claim 1, which is characterized in that the filler includes gypsum, flyash, talcum, sea
Afrodite, bentonite and diatomite.
3. caulking material according to claim 2, which is characterized in that the grain size of the gypsum is 50~100 mesh；The powder
Coal ash, the talcum, the sepiolite grain size be 100~200 mesh；The bentonite is 200 with the diatomaceous grain size
~300 mesh.
4. caulking material according to claim 1, which is characterized in that the inorfil includes that cotton fiber and terylene are fine
Dimension.
5. caulking material according to claim 1, which is characterized in that the isocyanates is isophorone polyisocyanates
Or methyl diphenylene diisocyanate.
6. caulking material according to claim 1, which is characterized in that the sugar alcohol is D-sorbite, mannitol, malt
Sugar alcohol, lactitol or xylitol.
7. caulking material according to claim 1, which is characterized in that the thixotropic agent is aerosil；It is described steady
It is calcium stearate, ricinoleic acid calcium or zinc stearate to determine agent；The lubricant is nylon or graphite；The antifoaming agent is polyoxy second
Alkene polyoxy propyl alcohol amidogen ether, dimethyl silicone polymer or silicone emulsion；The surfactant is neopelex, bay
Sour polyoxyethylene ester or castor oil polyoxyethylene ether.
8. caulking material according to claim 1, which is characterized in that the swelling agent include sodium gluconate, red mud,
Sodium methyl silicate, disecoctylmaleate sodium sulfonate, calcium stearate, sulfamic acid and lime stone.
9. a kind of method for repairing and mending for bridge pavement expansion joint, which is characterized in that include the following steps：
A) crack Surface layer's concrete is dug out along fracture strike, the compressed air for being 0.2MPa or more with air pressure, which is removed in crack, floats
Dirt；
B) caulking material for being used for bridge pavement expansion joint described in any one of claim 1~8 is poured into glue injection machine, is noted to crack
Enter crack material until caulking material is full of crack mouthful, is then struck off with concrete slurry, stand maintenance and complete repairing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810164645.7A CN108383425A (en) | 2018-02-27 | 2018-02-27 | Caulking material for bridge pavement expansion joint and method of squeegeeing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810164645.7A CN108383425A (en) | 2018-02-27 | 2018-02-27 | Caulking material for bridge pavement expansion joint and method of squeegeeing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108383425A true CN108383425A (en) | 2018-08-10 |
Family
ID=63070096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810164645.7A Pending CN108383425A (en) | 2018-02-27 | 2018-02-27 | Caulking material for bridge pavement expansion joint and method of squeegeeing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108383425A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046678A (en) * | 2018-02-05 | 2018-05-18 | 开封大学 | A kind of concrete that micro-crack selfreparing is carried out using industrial residue and preparation method thereof |
| CN109574550A (en) * | 2018-12-29 | 2019-04-05 | 苏州科技大学 | Asphalt concrete pavement pit repairing material and preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613947A (en) * | 2004-09-08 | 2005-05-11 | 杨太龙 | Waterproof adhesive and use thereof |
| CN101993222A (en) * | 2009-08-27 | 2011-03-30 | 王可权 | Graphite special for repairing pavement and preparation method thereof |
| CN103992633A (en) * | 2014-05-08 | 2014-08-20 | 中国铁道科学研究院铁道建筑研究所 | Polyurethane caulking material for expansion joints of ballastless track of high speed railway |
| CN105315526A (en) * | 2014-07-12 | 2016-02-10 | 卢桂才 | Reaction type composite waterproof sealing paste containing isocyanate bridging agent and preparation method thereof |
-
2018
- 2018-02-27 CN CN201810164645.7A patent/CN108383425A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613947A (en) * | 2004-09-08 | 2005-05-11 | 杨太龙 | Waterproof adhesive and use thereof |
| CN101993222A (en) * | 2009-08-27 | 2011-03-30 | 王可权 | Graphite special for repairing pavement and preparation method thereof |
| CN103992633A (en) * | 2014-05-08 | 2014-08-20 | 中国铁道科学研究院铁道建筑研究所 | Polyurethane caulking material for expansion joints of ballastless track of high speed railway |
| CN105315526A (en) * | 2014-07-12 | 2016-02-10 | 卢桂才 | Reaction type composite waterproof sealing paste containing isocyanate bridging agent and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046678A (en) * | 2018-02-05 | 2018-05-18 | 开封大学 | A kind of concrete that micro-crack selfreparing is carried out using industrial residue and preparation method thereof |
| CN108046678B (en) * | 2018-02-05 | 2021-02-12 | 开封大学 | Concrete for performing microcrack self-repairing by using industrial waste residues and preparation method thereof |
| CN109574550A (en) * | 2018-12-29 | 2019-04-05 | 苏州科技大学 | Asphalt concrete pavement pit repairing material and preparation method |
| CN109574550B (en) * | 2018-12-29 | 2021-08-24 | 苏州科技大学 | Asphalt concrete pavement pit repairing material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103866667B (en) | Half flexible Supporting Load Pavement paving structure | |
| KR100655227B1 (en) | Polyurethane resin mortar and method for applying the same | |
| CN110627439B (en) | Ultra-high performance concrete for expansion joint transition area and preparation method thereof | |
| CN103964795B (en) | Reinforced cement based composite material with fiber woven mesh and preparation method of reinforced cement based composite material | |
| CN104652261B (en) | Expansion joint based on elastic concrete fast repairing method and system | |
| CN103145396A (en) | Multifunctional quick repair material for cement concrete pavements and preparation method thereof | |
| CN110218056A (en) | A kind of strain hardening powder concrete and preparation method thereof and its application in bridge construction | |
| CN108330774A (en) | A kind of body-building green road high-strength wearable composite elastic terrace system and preparation method thereof | |
| CN111574164A (en) | Rapid repairing material for super-early-strength shrinkage compensation road bridge and preparation method thereof | |
| CN108383425A (en) | Caulking material for bridge pavement expansion joint and method of squeegeeing | |
| CN1724437A (en) | High-strength cement mortar and construction process for pouring said mortar thereof | |
| CN102249610A (en) | Interface concrete and construction method | |
| CN110981375A (en) | Shrinkage-compensating rapid repairing material for bridge expansion joint | |
| CN103696366B (en) | Pavement structure and pavement method of combined steel bridge deck | |
| CN105645886A (en) | Rapid repairing material of seam between CRTS II shaping plate ballastless track boards | |
| CN110924302A (en) | SMA modified asphalt concrete bridge deck pavement based on improved coarse aggregate stone interface | |
| RU2433096C2 (en) | Mixture of substances used particularly as additive for concrete mixture | |
| CN208917613U (en) | A kind of white based on polymer modified asphalt changes black pavement structure | |
| JP5863031B2 (en) | concrete | |
| CN209024921U (en) | A kind of body-building green road high-strength wearable composite elastic terrace system | |
| CN101811847A (en) | Cement concrete road surface repairing material | |
| JP4148372B2 (en) | Fast-curing cement-based injections and concrete for railways and pavers | |
| JP6550245B2 (en) | Fiber reinforced lightweight concrete composition | |
| KR100830437B1 (en) | Grout composite | |
| JP6308581B2 (en) | Concrete composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180810 |
|
| RJ01 | Rejection of invention patent application after publication |