CN105256723A - Multi-girder section steel-doublelayer concrete bridge deck composite beam implementing technology - Google Patents

Multi-girder section steel-doublelayer concrete bridge deck composite beam implementing technology Download PDF

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Publication number
CN105256723A
CN105256723A CN201510553313.4A CN201510553313A CN105256723A CN 105256723 A CN105256723 A CN 105256723A CN 201510553313 A CN201510553313 A CN 201510553313A CN 105256723 A CN105256723 A CN 105256723A
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CN
China
Prior art keywords
bridge deck
concrete
concrete bridge
shaped steel
steel
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Pending
Application number
CN201510553313.4A
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Chinese (zh)
Inventor
张强
高宗余
罗扣
肖海珠
王东晖
王为玉
别业山
颜兆福
郑清刚
李少骏
欧阳涛
蔡敦松
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China Railway Major Bridge Reconnaissance and Design Institute Co Ltd
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China Railway Major Bridge Reconnaissance and Design Institute Co Ltd
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Publication date
Application filed by China Railway Major Bridge Reconnaissance and Design Institute Co Ltd filed Critical China Railway Major Bridge Reconnaissance and Design Institute Co Ltd
Priority to CN201510553313.4A priority Critical patent/CN105256723A/en
Publication of CN105256723A publication Critical patent/CN105256723A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a multi-girder section steel-doublelayer concrete bridge deck composite beam implementing technology; the technology comprises the following steps: firstly welding shearing force nails on top edge of each H-shape section steel; combining with a bottom concrete bridge deck, and reserving anchor bars on the bottom concrete bridge deck; using a truck crane to transversely mount composite beams formed by the H-shape section steels and bottom concrete bridge decks one by one hole-to-hole, using elastic rubber strips to seal slab joints between the composite beams, using the bottom concrete bridge deck as a template, binding a top deck steel network with the anchor bars, and finally casting-in-situ an upper concrete slab on the bottom concrete bridge deck; the upper concrete slab and the bottom concrete bridge deck are connected through the anchor bars and the shearing force nails, thus forming the multi-girder section steel-doublelayer concrete bridge deck composite beam; the technology considers design, making, construction, and economic factors, is light in weight, fast in speed, short in period, less in land occupation, low in noises, so city original transport cannot be affected, thus providing wide prospect in the municipal bridge application.

Description

The enforcement technology of many girders formula shaped steel-double layer concrete bridge deck compound beam
Technical field
The present invention relates to the rapid enforcement technology of municipal bridge, be specifically related to the enforcement technology of a kind of many girders formula shaped steel-double layer concrete bridge deck compound beam.
Background technology
Along with China's economy developing rapidly in recent years, automobile pollution increases by geometric progression year by year, urban road traffic flow amount increases severely, imbalance between supply and demand between vehicle and road is more and more sharp-pointed, solve the Urban Traffic Jam Based become increasingly conspicuous, the measures such as normal employing enlarging original path or transformation original path, and the mode that road reformation often adopts newly-built viaduct to be combined with ground level road.
The girder form that current municipal viaduct adopts mainly contains: the large case beam of integral cast-in-situ, prefabricated small box girder or T beam, steel box-girder etc., main girder construction adopts that full framing integral cast-in-situ, Bridge Erector full span erection are assembled substantially, crawler crane or the lifting of mobile crane piecemeal connect, although there is its reasonability, also there is following shortcoming:
(1) raft support method construction takies both wired path area, existing road traffic is easily caused to interrupt or road width reduction, the traffic capacity declines, easily cause traffic congestion, and on-site construction processes is many, noise is large, and speed of application is slow, cycle is long, causes very large impact to the work of surrounding resident and life;
(2) Bridge Erector method erecting small box girder, can only unidirectionally hole-specifically advance, construction speed is slow, transition cost is high, and bridge formation bridge need be dismantled and again assembled, and prefabricated small box girder is installed in the lifting of crawler crane method, small box girder weight often reaches 70 ~ 150t, the transport of case beam is limited by factors restriction, easily causes traffic congestion, and may cause the damage to existing road and bridge;
(3) mobile crane or the segmented installation steel box-girder of crawler crane piecemeal, also need to arrange falsework being welded to connect for girder steel, a large amount of Site Welding is unfavorable for ensureing girder steel quality, and a large amount of welding spark causes very large potential safety hazard to traffick and pedestrian, and structure economics is not good.
Therefore, finding the rapid enforcement technology of a kind of municipal bridge, reduce the harmful effect because bridge construction brings to urban traffic and resident living as far as possible, have good economy simultaneously, is very necessary.
Summary of the invention
The object of the invention is for above-mentioned present situation, aim to provide a kind of lightweight, speed is fast, the cycle is short, it is little to disturb, take up an area less, noise is low, does not affect the enforcement technology of the many girders formula shaped steel-double layer concrete bridge deck compound beam of the original traffic in city.
The implementation of the object of the invention is, the enforcement technology of many girders formula shaped steel-double layer concrete bridge deck compound beam, and concrete steps are as follows:
1) in " work " font shaped steel top flange plate end face welding WELDING STUDS, WELDING STUDS group is formed; Produce bottom plate steel mesh reinforcement in factory modularization, utilize bottom layer of the reinforcing steel net to be prefabricated in the factory and generate bottom precast concrete bridge deck;
2) paste elastic rubber strip one at " work " font shaped steel top flange plate edge, between elastic rubber strip one, pour into epoxy mortar leveling layer;
3) lifting also installing bottom layer precast concrete bridge deck, build slightly expanded concrete and longitudinal wet joint concrete in the WELDING STUDS groove between bottom concrete bridge deck;
4) utilize mobile crane to lift by crane and the compound beam that multi-disc formed by " work " font shaped steel and bottom concrete bridge deck is installed, utilizing the longitudinal plate seam between elastic rubber strip two seal combination beam;
5) produce top layer bridge deck steel mesh reinforcement in factory modularization, transport and top layer concrete slab steel mesh reinforcement is installed, top plate steel mesh reinforcement and anchor bar colligation are linked together;
6) cast-in-place top layer bridge deck concrete on bottom concrete bridge deck, form top layer concrete slab, upper strata concrete slab is connected by anchor bar and WELDING STUDS with bottom concrete plate, and namely upper strata concrete slab and bottom concrete plate connect into many girders formula shaped steel-double layer concrete bridge deck compound beam by anchor bar and WELDING STUDS.
Adopt the present invention first in every sheet " work " font shaped steel top flange welding WELDING STUDS, then combine with bottom concrete plate; Utilize the mobile crane horizontal installation in whole hole piecewise to organize compound beam more, plate seam between recycling elastic rubber strip seal combination beam, bottom concrete plate as template, finally cast-in-place upper strata concrete slab on bottom concrete plate, upper strata concrete slab is connected by anchor bar and WELDING STUDS with bottom concrete plate, forms multiple layer combination girder construction.
The present invention, from design, manufacture, construction, economic dispatch factor, has the features such as lightweight, speed is fast, the cycle is short, take up an area less, noise is low, does not substantially affect the original traffic in city, have a extensive future at municipal bridge.
Accompanying drawing explanation
Fig. 1 is the present invention's first time combination cross-sectional configuration schematic diagram,
Fig. 2 is the A-A direction view of Fig. 1,
Fig. 3 is the B-B direction view of Fig. 1,
Fig. 4 is bottom concrete plate steel mesh reinforcement and prefabricated plane structure schematic diagram,
Fig. 5 is top layer concrete slab steel mesh reinforcement structural representation,
Fig. 6 is that the present invention finally combines cross-sectional configuration schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing to the detailed description of the invention.
Concrete steps of the invention process are as follows:
1) in " work " font shaped steel 1 top flange plate end face welding WELDING STUDS 3, WELDING STUDS group (see Fig. 1) is formed; Produce bottom plate steel mesh reinforcement 9 (see Fig. 4) in factory modularization, utilize bottom layer of the reinforcing steel net 9 to be prefabricated in the factory and generate bottom precast concrete bridge deck 2, wherein anchor bar 4 exposes;
2) paste elastic rubber strip 1 at " work " font shaped steel top flange plate edge, between elastic rubber strip one, pour into epoxy mortar leveling layer 5 (see Fig. 1);
3) lifting also installing bottom layer precast concrete bridge deck 2, build slightly expanded concrete 7 and longitudinal wet joint concrete eight (see Fig. 2,3) in the WELDING STUDS groove between bottom concrete bridge deck;
4) utilize mobile crane to lift by crane and the compound beam that multi-disc formed by " work " font shaped steel 1 and bottom concrete bridge deck 2 is installed, utilizing the longitudinal plate between elastic rubber strip 2 10 seal combination beam to stitch (see Fig. 6);
The compound beam lift heavy formed by " work " font shaped steel and bottom concrete bridge deck is within 50 tons.
5) produce top layer bridge deck steel mesh reinforcement 11 (see Fig. 5) in factory modularization, transport and top layer concrete slab steel mesh reinforcement is installed, top plate steel mesh reinforcement 11 and anchor bar 4 colligation are linked together;
6) cast-in-place top layer bridge deck concrete on bottom concrete bridge deck 2, form top layer concrete slab 12, upper strata concrete slab is connected by anchor bar 4 and WELDING STUDS 3 with bottom concrete plate, is namely constructed into many girders formula shaped steel-double layer concrete bridge deck compound beam (see Fig. 1).
On bottom concrete bridge deck before cast-in-place top layer bridge deck concrete, plucking is carried out to bottom concrete plate top surface, ensure upper and lower two-layer effective combination.
" work " font shaped steel 1, can select steel mill's rolling off-the-shelf, also according to concrete size, Plate Welding can be adopted to form, specifically determine according to girder steel comprehensive cost.
Bottom concrete plate steel mesh reinforcement 9 and top layer concrete slab steel mesh reinforcement 11, for improving processing precision of reinforcing steel bar, and speed of application, modular mechanical processing can be carried out in factory, as condition restriction, on-the-spot colligation also can be adopted to construct.
Bottom concrete plate 2 can factory carry out prefabricated after combine, can concrete shrinkage and creep be reduced like this, improve process velocity and progress, also can combine factory is cast-in-place with girder steel, specifically determine according to bridge scale and bridge location site environment.
The present invention, from design, manufacture, construction, economic dispatch factor, has the features such as lightweight, speed is fast, the cycle is short, take up an area less, noise is low, does not substantially affect the original traffic in city, have a extensive future at municipal bridge.

Claims (3)

1. the enforcement technology of more than girder formula shaped steel-double layer concrete bridge deck compound beam, is characterized in that: concrete steps are as follows:
1) in " work " font shaped steel top flange plate end face welding WELDING STUDS, WELDING STUDS group is formed; Produce bottom plate steel mesh reinforcement in factory modularization, utilize bottom layer of the reinforcing steel net to be prefabricated in the factory and generate bottom precast concrete bridge deck, anchor bar reserved by bottom plate;
2) paste elastic rubber strip one at " work " font shaped steel top flange plate edge, between elastic rubber strip one, pour into epoxy mortar leveling layer;
3) lifting also installing bottom layer precast concrete bridge deck, build slightly expanded concrete and longitudinal wet joint concrete in the WELDING STUDS groove between bottom concrete bridge deck;
4) utilize mobile crane to lift by crane and the compound beam that multi-disc formed by " work " font shaped steel and bottom concrete bridge deck is installed, utilizing the longitudinal plate seam between elastic rubber strip two seal combination beam;
5) produce top layer bridge deck steel mesh reinforcement in factory modularization, transport and top layer concrete slab steel mesh reinforcement is installed, top plate steel mesh reinforcement and anchor bar colligation are linked together;
6) cast-in-place top layer bridge deck concrete on bottom concrete bridge deck, form top layer concrete slab, namely upper strata concrete slab and bottom concrete plate connect into many girders formula shaped steel-double layer concrete bridge deck compound beam by anchor bar and WELDING STUDS.
2. the enforcement technology of many girders formula shaped steel according to claim 1-double layer concrete bridge deck compound beam, is characterized in that: on bottom concrete bridge deck before cast-in-place top layer bridge deck concrete, carry out plucking to bottom concrete plate top surface.
3. the enforcement technology of many girders formula shaped steel according to claim 1-double layer concrete bridge deck compound beam, is characterized in that: the compound beam lift heavy formed by " work " font shaped steel and bottom concrete bridge deck is within 50 tons.
CN201510553313.4A 2015-09-01 2015-09-01 Multi-girder section steel-doublelayer concrete bridge deck composite beam implementing technology Pending CN105256723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510553313.4A CN105256723A (en) 2015-09-01 2015-09-01 Multi-girder section steel-doublelayer concrete bridge deck composite beam implementing technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510553313.4A CN105256723A (en) 2015-09-01 2015-09-01 Multi-girder section steel-doublelayer concrete bridge deck composite beam implementing technology

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105803919A (en) * 2016-03-17 2016-07-27 河海大学 Prefabricated assembling type steel-concrete combination bridge structure and installing method thereof
CN105887649A (en) * 2016-04-21 2016-08-24 浙江交通职业技术学院 Steel-concrete local prefabricated simply supported superposed beam structure adopting layering stud connector and manufacturing technique thereof
CN107700345A (en) * 2017-10-17 2018-02-16 青海省高等级公路建设管理局 A kind of wet seam anticorrosion construction method of steel-concrete combination beam and purposes
CN108193588A (en) * 2017-12-29 2018-06-22 西南交通大学 A kind of assembled steel-mixed bondbeam shear connector
CN108677683A (en) * 2018-04-28 2018-10-19 华侨大学 Improve the combined bridge and production method of shear connector fatigue life
CN109338899A (en) * 2018-11-30 2019-02-15 西安科技大学 A kind of the steel reinforced concrete combination beam and its construction method of weldless connection part
CN109930466A (en) * 2019-04-10 2019-06-25 西南交通大学 Steel-ECC- concrete combination beam and preparation method thereof
CN110359352A (en) * 2019-08-02 2019-10-22 中冶长天国际工程有限责任公司 A kind of prefabricated assembled T beam and construction method
CN111794074A (en) * 2020-07-07 2020-10-20 浙江华东工程咨询有限公司 Arch bridge concrete beam and beam forming method thereof
CN113338153A (en) * 2021-06-24 2021-09-03 中铁大桥勘测设计院集团有限公司 Suspension bridge anchorage front anchor chamber assembly type top cover plate and construction process
CN113529569A (en) * 2021-06-30 2021-10-22 中国建筑第五工程局有限公司 Double-deck slab structure and construction method thereof
CN115897370A (en) * 2022-12-09 2023-04-04 深圳大学 Full-assembly type steel-concrete composite beam bridge connected by composite steel plate in shearing force

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105803919A (en) * 2016-03-17 2016-07-27 河海大学 Prefabricated assembling type steel-concrete combination bridge structure and installing method thereof
CN105887649A (en) * 2016-04-21 2016-08-24 浙江交通职业技术学院 Steel-concrete local prefabricated simply supported superposed beam structure adopting layering stud connector and manufacturing technique thereof
CN107700345A (en) * 2017-10-17 2018-02-16 青海省高等级公路建设管理局 A kind of wet seam anticorrosion construction method of steel-concrete combination beam and purposes
CN108193588A (en) * 2017-12-29 2018-06-22 西南交通大学 A kind of assembled steel-mixed bondbeam shear connector
CN108677683A (en) * 2018-04-28 2018-10-19 华侨大学 Improve the combined bridge and production method of shear connector fatigue life
CN109338899B (en) * 2018-11-30 2023-06-09 西安科技大学 Steel-concrete composite beam without welding connector and construction method thereof
CN109338899A (en) * 2018-11-30 2019-02-15 西安科技大学 A kind of the steel reinforced concrete combination beam and its construction method of weldless connection part
CN109930466A (en) * 2019-04-10 2019-06-25 西南交通大学 Steel-ECC- concrete combination beam and preparation method thereof
CN110359352A (en) * 2019-08-02 2019-10-22 中冶长天国际工程有限责任公司 A kind of prefabricated assembled T beam and construction method
CN111794074A (en) * 2020-07-07 2020-10-20 浙江华东工程咨询有限公司 Arch bridge concrete beam and beam forming method thereof
CN113338153A (en) * 2021-06-24 2021-09-03 中铁大桥勘测设计院集团有限公司 Suspension bridge anchorage front anchor chamber assembly type top cover plate and construction process
CN113529569A (en) * 2021-06-30 2021-10-22 中国建筑第五工程局有限公司 Double-deck slab structure and construction method thereof
CN115897370A (en) * 2022-12-09 2023-04-04 深圳大学 Full-assembly type steel-concrete composite beam bridge connected by composite steel plate in shearing force
CN115897370B (en) * 2022-12-09 2023-09-15 深圳大学 Full-assembled steel-concrete composite beam bridge with composite steel plate shear connection

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Application publication date: 20160120