CN107419666A - A kind of construction technology of high-speed rail bridge tapping pipe - Google Patents
A kind of construction technology of high-speed rail bridge tapping pipe Download PDFInfo
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- CN107419666A CN107419666A CN201710671885.1A CN201710671885A CN107419666A CN 107419666 A CN107419666 A CN 107419666A CN 201710671885 A CN201710671885 A CN 201710671885A CN 107419666 A CN107419666 A CN 107419666A
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- 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
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
-
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00293—Materials impermeable to liquids
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1087—Materials or components characterised by specific uses
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of construction technology of high-speed rail bridge tapping pipe, comprise the following steps：（1）By mould installion corresponding to tapping pipe reserving hole in the fixed template of precast beam combination；（2）Hole is buried using pvc pipe, it is ensured that embedded hole is vertical, pours into a mould concrete, removes tapping pipe hole presetting mold；（3）Tapping pipe is put into hole, tapping pipe is fixedly mounted；Using grouting material to being blocked around sluicing tube wall with mounting groove；（4）Building sealant is smeared around tapping pipe is suitable for reading.The construction technology of the present invention is simple and easy to do, quick and easy for installation, shortens the casting cycle of precast beam, it is ensured that draining is unobstructed and traffic safety, extends service life.
Description
Technical field
The present invention relates to technical field of bridge construction, more particularly to a kind of construction technology of high-speed rail bridge tapping pipe.
Background technology
Traditional bridge water discharge pipe is installed in lateral retaining wall and the side draining of bridge floor junction, and this drainage pattern is simply fast
Victory, it is practical, but the absolute altitude of tapping pipe is higher than grade elevation, drainage effect is poor；Tapping pipe installs out of plumb, causes to let out
Leaf grating for down pipe is uneven, and vehicle ride comfort is poor；It is poorly sealed around tapping pipe, easily produce crack, outer wall of the water from tapping pipe
Leave, and left along beam body, not only influence the outward appearance of bridge, and crack can surround and corrode the steel enhancing wherein placed
Thing, shorten the service life of tapping pipe, influence high ferro traffic safety and pedestrains safety, it is necessary to improve the construction and installation of tapping pipe
Technique.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of construction technology of high-speed rail bridge tapping pipe, simple process
It is easy, it is quick and easy for installation, shorten the casting cycle of precast beam, it is ensured that draining is unobstructed and traffic safety, extends using the longevity
Life.
The present invention solves technical problem and adopted the following technical scheme that：
A kind of construction technology of high-speed rail bridge tapping pipe, comprises the following steps：
（1）By mould installion corresponding to tapping pipe reserving hole in the fixed template of precast beam combination；
（2）Hole is buried using pvc pipe, it is ensured that embedded hole is vertical, pours into a mould concrete, after health 26~30 days, removes
Tapping pipe hole presetting mold；
（3）Pvc pipe is cut, mounting groove is dug out at the top of bridge floor, tapping pipe is put into hole, tapping pipe is fixedly mounted；Use
Grouting material around sluicing tube wall with mounting groove to blocking；Specifically by water and grouting material according to mass ratio 3~6：1
Mixed slurry is obtained after being mixed evenly, is flowed into by mounting groove in the space between tapping pipe and bridge, mixed slurry is smash
It is real；The grouting material includes the raw material of following parts by weight：50~80 parts of Portland clinker, 20~35 parts of epoxy resin,
10~18 parts of kaolin, 5~12 parts of flyash, 2~6 parts of glass fibre, 0.6~2.5 part of polycarboxylate water-reducer, curing agent 0.5
~2 parts, 0.02~0.06 part of catalyst, 0.05~0.16 part of defoamer；
（4）When the grouting material intensity of closure cast reaches 20~26MPa, building sealant is smeared around tapping pipe is suitable for reading；
The building sealant includes the raw material of following parts by weight：20~40 parts of PPG, phenylethylene-maleic anhydride copolymerization
10~20 parts of thing, 3~8 parts of sodium lignin sulfonate, 1~6 part of paraffin, 3~6 parts of epoxy resin, 1~5 part of aluminium hydroxide, thixotropic agent
0.2~0.6 part, 0.02~0.08 part of age resistor.
Further, the step（1）The size of tapping pipe reserving hole is 280~320 × 300~320mm.
Further, the grouting material includes the raw material of following parts by weight：68 parts of Portland clinker, epoxy resin
28 parts, 15 parts of kaolin, 10 parts of flyash, 5 parts of glass fibre, 1.8 parts of polycarboxylate water-reducer, 0.8 part of curing agent, catalyst
0.03 part, 0.09 part of defoamer.
Further, the curing agent in the grouting material is selected from benzene dimethylamine, diaminodiphenyl-methane, 2- methyl miaows
One or more combinations in azoles, maleic anhydride；Catalyst in the grouting material is selected from sodium butylnaphthalenesulfonate, two
One or more combinations in sodium butylnaphthalenesulfonate, diisobutyl sodium naphthalene sulfonate；Defoamer in the grouting material is selected from
GPE types defoamer or GPES type defoamers.
Further, the building sealant includes the raw material of following parts by weight：32 parts of PPG, styrene-suitable
15 parts of maleic anhydride copolymer, 5 parts of sodium lignin sulfonate, 3 parts of paraffin, 4 parts of epoxy resin, 2 parts of aluminium hydroxide, thixotropic agent
0.3 part, 0.05 part of age resistor.
Further, it is fine to be selected from precipitated silica, organobentonite, ethoxy for the thixotropic agent in the building sealant
One or more combinations in dimension element, age resistor are selected from octylated diphenylamine, N, N ＇-diphenyl-para-phenylene diamine, styrol
One or more combinations in phenol, 2- sulfydryl benzo benzenediols.
Further, the step（3）Consolidated during mixed slurry top surface 3 ~ 8mm lower than tapping pipe top opening.
Further, the step（4）Building sealant needs to install sluicing double-edged fine-toothed comb after smearing solidification.
Compared with prior art, the present invention has the advantages that：
（1）The construction technology of the high-speed rail bridge tapping pipe of the present invention, main embedded, filling including hole mould installion, pvc pipe
Slurry, the steps such as sealant are smeared, simple process is easy, quick and easy for installation, shortens the casting cycle of precast beam, it is ensured that draining
Unobstructed and traffic safety, extends service life.
（2）The construction technology of the high-speed rail bridge tapping pipe of the present invention, the profile in pre-buried duct when can keep concreting
Size, ensure that tapping pipe installation is vertical, sluicing double-edged fine-toothed comb is horizontally mounted；Grouting material with the Portland clinker of excellent performance,
The epoxy resin of waterproof anti-corrosion, loose porous kaolin are main component, coordinate multiple additives, improve grouting material
Durability and water resistance, asepsis environment-protecting, cohesive force is strong, and compression strength is high, impermeable after grouting, firmly tight.
（3）The building sealant of the present invention is excellent with excellent water resistance, temperature tolerance, shock proof emulsifying agent PPG
Good heatproof, the SMA of waterproof are main component, compound surfactant sodium lignin sulfonate,
Paraffin, epoxy resin, fire retardant aluminium hydroxide, there is stable sealing, uvioresistant, protection against the tide, deodorization performance, suitable for big
Majority building.
Embodiment
Embodiment 1
A kind of construction technology of high-speed rail bridge tapping pipe, comprises the following steps：
（1）By mould installion corresponding to tapping pipe reserving hole in the fixed template of precast beam combination；Wherein, tapping pipe is reserved
The size of hole is 280~320 × 300~320mm.
（2）Hole is buried using pvc pipe, it is ensured that embedded hole is vertical, pours into a mould concrete, after health 26 days, removes
Tapping pipe hole presetting mold；
（3）Pvc pipe is cut, mounting groove is dug out at the top of bridge floor, tapping pipe is put into hole, tapping pipe is fixedly mounted；Use
Grouting material around sluicing tube wall with mounting groove to blocking；Specifically by water and grouting material according to mass ratio 5：1 is mixed
Conjunction obtains mixed slurry after stirring, and is flowed into by mounting groove in the space between tapping pipe and bridge, top surface is than sluicing tube top
Mixed slurry is consolidated during mouth low 6mm；The grouting material includes the raw material of following parts by weight：68 parts of Portland clinker,
28 parts of epoxy resin, 15 parts of kaolin, 10 parts of flyash, 5 parts of glass fibre, 1.8 parts of polycarboxylate water-reducer, curing agent benzene diformazan
0.8 part of amine, 0.03 part of catalyst diisobutyl sodium naphthalene sulfonate, 0.09 part of GPES types defoamer.
（4）When the grouting material intensity of closure cast reaches 20~26MPa, building sealing is smeared around tapping pipe is suitable for reading
Agent；Sluicing double-edged fine-toothed comb is installed after sealant coating solidification.The building sealant includes the raw material of following parts by weight：PPG
32 parts, 15 parts of SMA, 5 parts of sodium lignin sulfonate, 3 parts of paraffin, 4 parts of epoxy resin, hydroxide
2 parts of aluminium, 0.3 part of thixotropic agent precipitated silica, 0.05 part of age resistor N, N ＇-diphenyl-para-phenylene diamine.
Embodiment 2
A kind of construction technology of high-speed rail bridge tapping pipe, comprises the following steps：
（1）By mould installion corresponding to tapping pipe reserving hole in the fixed template of precast beam combination；Wherein, tapping pipe is reserved
The size of hole is 280~320 × 300~320mm.
（2）Hole is buried using pvc pipe, it is ensured that embedded hole is vertical, pours into a mould concrete, after health 28 days, removes
Tapping pipe hole presetting mold；
（3）Pvc pipe is cut, mounting groove is dug out at the top of bridge floor, tapping pipe is put into hole, tapping pipe is fixedly mounted；Use
Grouting material around sluicing tube wall with mounting groove to blocking；Specifically by water and grouting material according to mass ratio 6：1 is mixed
Conjunction obtains mixed slurry after stirring, and is flowed into by mounting groove in the space between tapping pipe and bridge, top surface is than sluicing tube top
Mixed slurry is consolidated during mouth low 8mm；The grouting material includes the raw material of following parts by weight：59 parts of Portland clinker,
28 parts of epoxy resin, 12 parts of kaolin, 8 parts of flyash, 3 parts of glass fibre, 1.5 parts of polycarboxylate water-reducer, curing agent maleic
0.8 part of dicarboxylic anhydride, 0.03 part of catalyst sodium butylnaphthalenesulfonate, 0.09 part of GPE types defoamer.
（4）When the grouting material intensity of closure cast reaches 20~26MPa, building sealing is smeared around tapping pipe is suitable for reading
Agent；Sluicing double-edged fine-toothed comb is installed after sealant coating solidification.The building sealant includes the raw material of following parts by weight：PPG
30 parts, 15 parts of SMA, 6 parts of sodium lignin sulfonate, 3 parts of paraffin, 5 parts of epoxy resin, hydroxide
2 parts of aluminium, 0.3 part of thixotropic agent organobentonite, 0.06 part of age resistor 2- sulfydryl benzos benzenediol.
Embodiment 3
A kind of construction technology of high-speed rail bridge tapping pipe, comprises the following steps：
（1）By mould installion corresponding to tapping pipe reserving hole in the fixed template of precast beam combination；Wherein, tapping pipe is reserved
The size of hole is 280~320 × 300~320mm.
（2）Hole is buried using pvc pipe, it is ensured that embedded hole is vertical, pours into a mould concrete, after health 28 days, removes
Tapping pipe hole presetting mold；
（3）Pvc pipe is cut, mounting groove is dug out at the top of bridge floor, tapping pipe is put into hole, tapping pipe is fixedly mounted；Use
Grouting material around sluicing tube wall with mounting groove to blocking；Specifically by water and grouting material according to mass ratio 4：1 is mixed
Conjunction obtains mixed slurry after stirring, and is flowed into by mounting groove in the space between tapping pipe and bridge, top surface is than sluicing tube top
Mixed slurry is consolidated during mouth low 7mm；The grouting material includes the raw material of following parts by weight：65 parts of Portland clinker,
27 parts of epoxy resin, 16 parts of kaolin, 10 parts of flyash, 5 parts of glass fibre, 2.2 parts of polycarboxylate water-reducer, curing agent diaminourea
1.6 parts of diphenyl methane, 0.06 part of catalyst diisobutyl sodium naphthalene sulfonate, 0.12 part of GPES types defoamer.
（4）When the grouting material intensity of closure cast reaches 20~26MPa, building sealing is smeared around tapping pipe is suitable for reading
Agent；Sluicing double-edged fine-toothed comb is installed after sealant coating solidification.The building sealant includes the raw material of following parts by weight：PPG
36 parts, 18 parts of SMA, 7 parts of sodium lignin sulfonate, 4 parts of paraffin, 5 parts of epoxy resin, hydroxide
3 parts of aluminium, 0.5 part of thixotropic agent hydroxyethyl cellulose, 0.04 part of age resistor styrenated phenol.
Embodiment 4
A kind of construction technology of high-speed rail bridge tapping pipe, comprises the following steps：
（1）By mould installion corresponding to tapping pipe reserving hole in the fixed template of precast beam combination；Wherein, tapping pipe is reserved
The size of hole is 280~320 × 300~320mm.
（2）Hole is buried using pvc pipe, it is ensured that embedded hole is vertical, pours into a mould concrete, after health 30 days, removes
Tapping pipe hole presetting mold；
（3）Pvc pipe is cut, mounting groove is dug out at the top of bridge floor, tapping pipe is put into hole, tapping pipe is fixedly mounted；Use
Grouting material around sluicing tube wall with mounting groove to blocking；Specifically by water and grouting material according to mass ratio 3：1 is mixed
Conjunction obtains mixed slurry after stirring, and is flowed into by mounting groove in the space between tapping pipe and bridge, top surface is than sluicing tube top
Mixed slurry is consolidated during mouth low 6mm；The grouting material includes the raw material of following parts by weight：70 parts of Portland clinker,
32 parts of epoxy resin, 16 parts of kaolin, 10 parts of flyash, 6 parts of glass fibre, 2.3 parts of polycarboxylate water-reducer, curing agent diaminourea
1.8 parts of diphenyl methane, 0.05 part of catalyst nekal, 0.08 part of GPE types defoamer.
（4）When the grouting material intensity of closure cast reaches 20~26MPa, building sealing is smeared around tapping pipe is suitable for reading
Agent；Sluicing double-edged fine-toothed comb is installed after sealant coating solidification.The building sealant includes the raw material of following parts by weight：PPG
33 parts, 16 parts of SMA, 7 parts of sodium lignin sulfonate, 5 parts of paraffin, 4 parts of epoxy resin, hydroxide
3 parts of aluminium, 0.6 part of thixotropic agent precipitated silica, 0.06 part of age resistor 2- sulfydryl benzos benzenediol.
Embodiment 5
A kind of construction technology of high-speed rail bridge tapping pipe, comprises the following steps：
（1）By mould installion corresponding to tapping pipe reserving hole in the fixed template of precast beam combination；Wherein, tapping pipe is reserved
The size of hole is 280~320 × 300~320mm.
（2）Hole is buried using pvc pipe, it is ensured that embedded hole is vertical, pours into a mould concrete, after health 30 days, removes
Tapping pipe hole presetting mold；
（3）Pvc pipe is cut, mounting groove is dug out at the top of bridge floor, tapping pipe is put into hole, tapping pipe is fixedly mounted；Use
Grouting material around sluicing tube wall with mounting groove to blocking；Specifically by water and grouting material according to mass ratio 5：1 is mixed
Conjunction obtains mixed slurry after stirring, and is flowed into by mounting groove in the space between tapping pipe and bridge, top surface is than sluicing tube top
Mixed slurry is consolidated during mouth low 5mm；The grouting material includes the raw material of following parts by weight：80 parts of Portland clinker,
35 parts of epoxy resin, 18 parts of kaolin, 10 parts of flyash, 5 parts of glass fibre, 2.3 parts of polycarboxylate water-reducer, curing agent 2- methyl
1.6 parts of imidazoles, 0.05 part of catalyst nekal, 0.12 part of GPES types defoamer.
（4）When the grouting material intensity of closure cast reaches 20~26MPa, building sealing is smeared around tapping pipe is suitable for reading
Agent；Sluicing double-edged fine-toothed comb is installed after sealant coating solidification.The building sealant includes the raw material of following parts by weight：PPG
40 parts, 20 parts of SMA, 8 parts of sodium lignin sulfonate, 6 parts of paraffin, 6 parts of epoxy resin, hydroxide
5 parts of aluminium, 0.6 part of thixotropic agent organobentonite, 0.08 part of age resistor octylated diphenylamine.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of construction technology of high-speed rail bridge tapping pipe, it is characterised in that comprise the following steps：
（1）By mould installion corresponding to tapping pipe reserving hole in the fixed template of precast beam combination；
（2）Hole is buried using pvc pipe, it is ensured that embedded hole is vertical, pours into a mould concrete, after health 26~30 days, removes
Tapping pipe hole presetting mold；
（3）Pvc pipe is cut, mounting groove is dug out at the top of bridge floor, tapping pipe is put into hole, tapping pipe is fixedly mounted；Use
Grouting material around sluicing tube wall with mounting groove to blocking；Specifically by water and grouting material according to mass ratio 3~6：1
Mixed slurry is obtained after being mixed evenly, is flowed into by mounting groove in the space between tapping pipe and bridge, mixed slurry is smash
It is real；The grouting material includes the raw material of following parts by weight：50~80 parts of Portland clinker, 20~35 parts of epoxy resin,
10~18 parts of kaolin, 5~12 parts of flyash, 2~6 parts of glass fibre, 0.6~2.5 part of polycarboxylate water-reducer, curing agent 0.5
~2 parts, 0.02~0.06 part of catalyst, 0.05~0.16 part of defoamer；
（4）When the grouting material intensity of closure cast reaches 20~26MPa, building sealant is smeared around tapping pipe is suitable for reading；
The building sealant includes the raw material of following parts by weight：20~40 parts of PPG, phenylethylene-maleic anhydride copolymerization
10~20 parts of thing, 3~8 parts of sodium lignin sulfonate, 1~6 part of paraffin, 3~6 parts of epoxy resin, 1~5 part of aluminium hydroxide, thixotropic agent
0.2~0.6 part, 0.02~0.08 part of age resistor.
2. the construction technology of high-speed rail bridge tapping pipe according to claim 1, it is characterised in that the step（1）Sluice
The size of pipe reserving hole is 280~320 × 300~320mm.
3. the construction technology of high-speed rail bridge tapping pipe according to claim 1, it is characterised in that the grouting material includes
The raw material of following parts by weight：68 parts of Portland clinker, 28 parts of epoxy resin, 15 parts of kaolin, 10 parts of flyash, glass fibers
5 parts of dimension, 1.8 parts of polycarboxylate water-reducer, 0.8 part of curing agent, 0.03 part of catalyst, 0.09 part of defoamer.
4. the construction technology of the high-speed rail bridge tapping pipe according to claim 1 or 3, it is characterised in that the grouting material
In one or more of the curing agent in benzene dimethylamine, diaminodiphenyl-methane, 2-methylimidazole, maleic anhydride
Combination；Catalyst in the grouting material is selected from sodium butylnaphthalenesulfonate, nekal, diisobutyl sodium naphthalene sulfonate
In one or more combinations；Defoamer in the grouting material is selected from GPE types defoamer or GPES type defoamers.
5. the construction technology of high-speed rail bridge tapping pipe according to claim 1, it is characterised in that the building sealant bag
Include the raw material of following parts by weight：32 parts of PPG, 15 parts of SMA, sodium lignin sulfonate 5
Part, 3 parts of paraffin, 4 parts of epoxy resin, 2 parts of aluminium hydroxide, 0.3 part of thixotropic agent, 0.05 part of age resistor.
6. the construction technology of high-speed rail bridge tapping pipe according to claim 1 or 5, it is characterised in that the building sealing
One or more combinations of the thixotropic agent in precipitated silica, organobentonite, hydroxyethyl cellulose in agent, prevent old
Agent is selected from one kind in octylated diphenylamine, N, N ＇-diphenyl-para-phenylene diamine, styrenated phenol, 2- sulfydryl benzo benzenediols
Or a variety of combination.
7. the construction technology of high-speed rail bridge tapping pipe according to claim 1, it is characterised in that the step（3）Mixing
Consolidated during slurry top surface 3 ~ 8mm lower than tapping pipe top opening.
8. the construction technology of high-speed rail bridge tapping pipe according to claim 1, it is characterised in that the step（4）Building
Need that sluicing double-edged fine-toothed comb is installed after sealant coating solidification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671885.1A CN107419666A (en) | 2017-08-08 | 2017-08-08 | A kind of construction technology of high-speed rail bridge tapping pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671885.1A CN107419666A (en) | 2017-08-08 | 2017-08-08 | A kind of construction technology of high-speed rail bridge tapping pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107419666A true CN107419666A (en) | 2017-12-01 |
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ID=60437647
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710671885.1A Pending CN107419666A (en) | 2017-08-08 | 2017-08-08 | A kind of construction technology of high-speed rail bridge tapping pipe |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1441120A (en) * | 2003-04-07 | 2003-09-10 | 沈阳铁路工程建设集团有限公司 | Bridge drainage pipe installing construction process |
| CN1888003A (en) * | 2006-07-12 | 2007-01-03 | 山东恒冠化工科技有限公司 | Waterproof sealing agent for wires, cables and terminals and its prepn |
| CN102492287A (en) * | 2011-11-30 | 2012-06-13 | 上海东大化学有限公司 | Preparation method of environment-friendly hydrophobic polyurethane grouting material |
| CN103635499A (en) * | 2011-06-30 | 2014-03-12 | 陶氏环球技术有限责任公司 | Silane terminated polymer for coating, adhesives, sealant and elastomer applications |
| CN104480856A (en) * | 2014-11-25 | 2015-04-01 | 中铁十四局集团有限公司 | Bridge drain pipe construction installation technology |
| CN106186966A (en) * | 2016-07-26 | 2016-12-07 | 蚌埠市方阵商品混凝土有限公司 | A kind of concrete with excellent durability energy |
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2017
- 2017-08-08 CN CN201710671885.1A patent/CN107419666A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1441120A (en) * | 2003-04-07 | 2003-09-10 | 沈阳铁路工程建设集团有限公司 | Bridge drainage pipe installing construction process |
| CN1888003A (en) * | 2006-07-12 | 2007-01-03 | 山东恒冠化工科技有限公司 | Waterproof sealing agent for wires, cables and terminals and its prepn |
| CN103635499A (en) * | 2011-06-30 | 2014-03-12 | 陶氏环球技术有限责任公司 | Silane terminated polymer for coating, adhesives, sealant and elastomer applications |
| CN102492287A (en) * | 2011-11-30 | 2012-06-13 | 上海东大化学有限公司 | Preparation method of environment-friendly hydrophobic polyurethane grouting material |
| CN104480856A (en) * | 2014-11-25 | 2015-04-01 | 中铁十四局集团有限公司 | Bridge drain pipe construction installation technology |
| CN106186966A (en) * | 2016-07-26 | 2016-12-07 | 蚌埠市方阵商品混凝土有限公司 | A kind of concrete with excellent durability energy |
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