CN110055877B - Transverse connection structure of concrete girder bridge deck and construction method - Google Patents
Transverse connection structure of concrete girder bridge deck and construction method Download PDFInfo
- Publication number
- CN110055877B CN110055877B CN201910353297.2A CN201910353297A CN110055877B CN 110055877 B CN110055877 B CN 110055877B CN 201910353297 A CN201910353297 A CN 201910353297A CN 110055877 B CN110055877 B CN 110055877B
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- Prior art keywords
- bridge deck
- steel plate
- girder
- decking
- concrete
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Classifications
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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
- E01D19/00—Structural or constructional details of bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a concrete girder bridge deck plate transverse connection structure which comprises a guardrail, wherein the bottom end of the guardrail is connected with a bridge deck plate, the top end of the bridge deck plate is positioned on the inner side of the guardrail and is provided with a bridge deck pavement layer, the top end of the bridge deck plate is positioned on the inner side of the bridge deck pavement layer and is fixedly provided with a central separation belt, the bottom end of the bridge deck plate is connected with a girder, a steel plate is embedded in the bridge deck plate, a reserved groove is formed in the inner part of the bridge deck plate and is positioned on the top end of the steel plate, high-strength screws are welded on two sides of the steel plate, and high-strength bolts are connected below the high-strength screws. The application of the invention cancels the wet joint structure of the precast concrete main beams, improves the normal use performance of the precast spliced main beams in the operation period, and simultaneously, the field does not need to weld reinforcing steel bars, and the engineering quantity of cast-in-place concrete is reduced to the minimum, thereby further accelerating the construction progress.
Description
Technical Field
The invention relates to the technical field of precast concrete girders, in particular to a transverse connection structure of a concrete girder bridge deck and a construction method.
Background
In the prior art, urban viaduct superstructure generally adopts a multi-piece precast concrete girder system, and girders are transversely connected through wet joints with certain widths. However, the construction quality is not up to standard, so that a series of problems such as position conflict of steel bars in wet joints, cracking of the wet joints, water seepage and the like often occur. The aesthetic property of the bridge is seriously damaged, the service life of the bridge is directly influenced, and even the hidden danger of structural safety is caused. In addition, wet joints require the in-situ casting of large amounts of concrete, which also limits to some extent the speed of construction of the bridge.
Therefore, a person skilled in the art needs to develop a new method for laterally connecting bridge decks of concrete main beams, which can replace wet joint structures frequently caused by diseases between precast concrete main beams, and further accelerate construction progress on the premise of ensuring construction accuracy.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a transverse connection structure for a concrete girder bridge deck, which improves the problems in the prior art.
In order to achieve the above purpose, the invention provides a concrete girder bridge deck slab transverse connection structure, which comprises a guardrail, wherein the bottom end of the guardrail is connected with a bridge deck slab, the top end of the bridge deck slab is positioned on the inner side of the guardrail and is provided with a bridge deck pavement layer, the top end of the bridge deck slab is positioned on the inner side of the bridge deck pavement layer and is fixedly provided with a central separation belt, the bottom end of the bridge deck slab is connected with a girder, the inside of the bridge deck slab is embedded with a steel plate, the inside of the bridge deck slab is positioned on the top end of the steel plate and is provided with a reserved groove, two sides of the steel plate are welded with high-strength screw rods, and two sides of the steel plate are positioned below the high-strength screw rods and are connected with high-strength bolts.
Further, the number of the steel plates is multiple, and the multiple groups of steel plates are equidistantly distributed in the bridge deck.
Further, the bottom end of the steel plate penetrates to the bottom end of the bridge deck.
Further, the vertical section of the reserved groove is trapezoid with the upper part narrow and the lower part wide, and the inside of the reserved groove is filled with ultra-high performance concrete.
Further, the top end of the steel plate is flush with the bottom end of the reserved groove.
The invention also discloses a construction method of the transverse connection structure of the concrete girder bridge deck slab, which comprises the following steps:
welding two high-strength screws with set lengths at the position of the lower end of a steel plate, perforating the lower end of the steel plate to form a steel plate structure, and embedding the steel plate structure in a girder template;
sequentially pouring and curing each piece of girder concrete in a prefabrication factory;
step three, conveying each prefabricated girder to the site, hoisting the prefabricated girders in place, aligning holes at the lower ends of steel plates between adjacent prefabricated girders, and penetrating high-strength bolts;
step four, pouring high-strength non-shrinkage cement grouting material into the reserved groove to finish transverse connection of the prefabricated main beam;
and fifthly, casting a bridge deck pavement layer in situ.
The invention has the beneficial effects that:
the application of the invention cancels the wet joint structure of the precast concrete main beams, improves the normal use performance of the precast spliced main beams in the operation period, and simultaneously, the field does not need to weld reinforcing steel bars, and the engineering quantity of cast-in-place concrete is reduced to the minimum, thereby further accelerating the construction progress.
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a detailed construction view of the transverse connection of the deck slab of the present invention;
FIG. 4 is a partial side view of the deck slab of the present invention.
In the figure, 1 guard rail; 2, a main beam; 3, a bridge deck pavement layer; 4 a central dividing strip; 5 high-strength screw rods; 6, high-strength bolts; 7, reserving a groove; 8, steel plates; 9 bridge deck.
Detailed Description
As shown in fig. 1-4, one embodiment of the concrete girder bridge deck transverse connection structure of the present invention.
As the preferable scheme, concrete girder decking transverse connection structure includes guardrail 1, the bottom of guardrail 1 is connected with decking 9, the top of decking 9 is located the inboard of guardrail 1 and is provided with bridge deck pavement layer 3, and the top of decking 9 is located the inboard of bridge deck pavement layer 3 and is fixed with central division area 4, the bottom of decking 9 is connected with girder 2, and the inside of decking 9 is embedded to have steel sheet 8, the inside of decking 9 is located the top of steel sheet 8 and is provided with reservation groove 7, the welding of the both sides of steel sheet 8 has high strength screw rod 5, and the both sides of steel sheet 8 are located the below of high strength screw rod 5 and are connected with high strength bolt 6.
As the scheme of the scheme preference, the quantity of steel sheet 8 is multiunit, and multiunit steel sheet 8 equidistance distributes in the inside of decking 9, and the weight of decking 9 can evenly be born to a plurality of steel sheets 8 of being convenient for.
As the scheme of the scheme preference, the bottom of the steel plate 8 penetrates to the bottom of the bridge deck 9, so that the high-strength bolt 6 is connected with the steel plate 8.
As the scheme of this case preference, the vertical section of reservation groove 7 is narrow trapezoidal of wide down, and the inside of reservation groove 7 is irritated the ultra-high performance concrete, is convenient for improve the joint force of device.
As the scheme of the scheme preference, the top of steel sheet 8 and the bottom parallel and level of reservation groove 7 are convenient for after the reservation groove 7 is filled to ultra-high performance concrete, increase the joint force between steel sheet 8 and the reservation groove 7.
The invention also provides a construction method of the novel transverse connection structure, which comprises the following steps:
welding two high-strength screws with set lengths at the position of the lower end of a steel plate, perforating the lower end of the steel plate to form a steel plate structure, and embedding the steel plate structure in a girder template;
sequentially pouring and curing each piece of girder concrete in a prefabrication factory;
step three, conveying each prefabricated girder to the site, hoisting the prefabricated girders in place, aligning holes at the lower ends of steel plates between adjacent prefabricated girders, and penetrating high-strength bolts;
step four, pouring high-strength non-shrinkage cement grouting material into the reserved groove to finish transverse connection of the prefabricated main beam;
and fifthly, casting a bridge deck pavement layer in situ.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (2)
1. The utility model provides a concrete girder decking transverse connection structure, includes guardrail (1), its characterized in that: the bottom of guardrail (1) is connected with decking (9), the top of decking (9) is located the inboard of guardrail (1) and is provided with bridge deck pavement layer (3), and the top of decking (9) is located the inboard of bridge deck pavement layer (3) and is fixed with central division area (4), the bottom of decking (9) is connected with girder (2), and the inside of decking (9) is embedded with steel sheet (8), the inside of decking (9) is located the top of steel sheet (8) and is provided with reservation groove (7);
the number of the steel plates (8) is multiple, and the multiple groups of steel plates (8) are equidistantly distributed in the bridge deck (9);
the bottom end of the steel plate (8) penetrates through the bottom end of the bridge deck (9);
the vertical section of the reserved groove (7) is trapezoid with the upper part narrow and the lower part wide, and ultra-high performance concrete is filled in the reserved groove (7);
the top end of the steel plate (8) is flush with the bottom end of the reserved groove (7);
the high-strength screw rods (5) are welded on two sides of the steel plate (8), and high-strength bolts (6) are connected below the high-strength screw rods (5) on two sides of the steel plate (8).
2. A construction method of a concrete girder bridge deck slab transverse connection structure comprises the following steps:
welding two high-strength screws with set lengths at the position of the lower end of a steel plate, perforating the lower end of the steel plate to form a steel plate structure, and embedding the steel plate structure in a girder template;
sequentially pouring and curing each piece of girder concrete in a prefabrication factory;
step three, conveying each prefabricated girder to the site, hoisting the prefabricated girders in place, aligning holes at the lower ends of steel plates between adjacent prefabricated girders, and penetrating high-strength bolts;
step four, pouring high-strength non-shrinkage cement grouting material into the reserved groove to finish transverse connection of the prefabricated main beam;
and fifthly, casting a bridge deck pavement layer in situ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353297.2A CN110055877B (en) | 2019-04-29 | 2019-04-29 | Transverse connection structure of concrete girder bridge deck and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353297.2A CN110055877B (en) | 2019-04-29 | 2019-04-29 | Transverse connection structure of concrete girder bridge deck and construction method |
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| Publication Number | Publication Date |
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| CN110055877A CN110055877A (en) | 2019-07-26 |
| CN110055877B true CN110055877B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111236068A (en) * | 2020-03-06 | 2020-06-05 | 中国国家铁路集团有限公司 | A spliced prefabricated steel-concrete bridge deck |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5826290A (en) * | 1997-04-09 | 1998-10-27 | West Bridge Corp. | Reusable composite bridge structure and method of constructing and attaching the same |
| CN109610315A (en) * | 2018-12-26 | 2019-04-12 | 北京工业大学 | Prefabricated bridge deck dry seam connection structure and implementation method |
| CN109610314A (en) * | 2018-12-26 | 2019-04-12 | 北京工业大学 | Prefabricated bridge deck wet joint structure and assembling method |
| CN210216119U (en) * | 2019-04-29 | 2020-03-31 | 上海市城市建设设计研究总院（集团）有限公司 | Transverse connecting structure for bridge deck of concrete girder |
-
2019
- 2019-04-29 CN CN201910353297.2A patent/CN110055877B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5826290A (en) * | 1997-04-09 | 1998-10-27 | West Bridge Corp. | Reusable composite bridge structure and method of constructing and attaching the same |
| CN109610315A (en) * | 2018-12-26 | 2019-04-12 | 北京工业大学 | Prefabricated bridge deck dry seam connection structure and implementation method |
| CN109610314A (en) * | 2018-12-26 | 2019-04-12 | 北京工业大学 | Prefabricated bridge deck wet joint structure and assembling method |
| CN210216119U (en) * | 2019-04-29 | 2020-03-31 | 上海市城市建设设计研究总院（集团）有限公司 | Transverse connecting structure for bridge deck of concrete girder |
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| CN110055877A (en) | 2019-07-26 |
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