CN104074126A - Steel-concrete combined beam plate structure for small bridge culvert - Google Patents
Steel-concrete combined beam plate structure for small bridge culvert Download PDFInfo
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- CN104074126A CN104074126A CN201410244635.6A CN201410244635A CN104074126A CN 104074126 A CN104074126 A CN 104074126A CN 201410244635 A CN201410244635 A CN 201410244635A CN 104074126 A CN104074126 A CN 104074126A
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- reinforced concrete
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- culverts
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Abstract
The invention relates to a steel-concrete combined beam plate structure for a small bridge culvert, and belongs to the technical field of bridge engineering. The structure solves the problems that the connection of the existing bridge beam is complex and the sliding is easy to generate between concrete and a steel bridge faceplate. The structure adopts the technical schemes: the structure comprises a connecting seat, and a steel-concrete combined bridge culvert faceplate of which both ends are arranged above the connecting seat, wherein the structure of the steel-concrete combined bridge culvert faceplate comprises a steel bridge faceplate, more than two sets of U-shaped ribs which are arranged below the steel bridge faceplate in parallel along the axial direction; grooves matched with the U-shaped ribs are formed in the connecting seat. The structure has the beneficial effects that the steel-concrete combined bridge culvert faceplate is adopted, the grooves matched with the U-shaped ribs are formed in the connecting seat, so that the structure is simple, the weight is light, the mounting is convenient, and the mechanical property is good; the phenomenon of sliding or disengagement between the concrete and the steel bridge faceplate of a grid structure formed by steel nets and the steel bridge faceplate cannot be generated, so that the structure is particularly suitable for small bridge beams; anchoring holes which are connected with a bridge abutment or a cover beam are formed in the connecting seat, so that the positioning and the connection are convenient and fast, and the bridge culvert faceplate can be prevented from sliding to the ground.
Description
Technical field
The invention belongs to technical field of bridge engineering, be specially a kind of steel reinforced concrete composite beam plate structure of simple in structure, lightweight, small-sized bridges and culverts that mechanical property is good.
Background technology
For solving urban traffic traffic congestion, reduce city traffic lights quantity, improve the traffic capacity of urban road, be necessary road junction, existing city to improve, at crossing, place sets up multilevel traffic.Addedly at crossing establish multilevel traffic, need one to be that the road occupying time is short, the 2nd, compression beam plate thickness as much as possible, so that the length and provide and contain bridge headway of leading the way to be provided, the 3rd, must adopt erection method to carry out, to alleviate the interference that city is normally runed.
Therefore, having composite steel concrete bridge lightweight, that few with steel material and Engineering Overall expense is low is one of desirable approach, and this structure can give full play to steel and concrete mechanical advantage separately, makes structure reach the most rational state.But because concrete is different from the coefficient of expansion of steel bridge deck, easily cause both to connect insecure, in the time that the temperature difference is larger, under the effect of load, between concrete and steel bridge deck, be easy to occur relative slippage, cause the adverse consequences such as strength decreased.
Summary of the invention
The present invention is for addressing the above problem, design a kind of steel reinforced concrete composite beam plate structure of small-sized bridges and culverts, below steel bridge deck, fix U-shaped rib, steel mesh reinforcement is by support connecting piece and the fixing space truss structure that forms of steel bridge deck, space truss structure can form powerful bonding to the concrete being filled in wherein, total is simple, lightweight, mechanical property is good, and bridge base is provided with the groove coordinating with U-shaped rib, good stability.
For reaching goal of the invention, the technical solution used in the present invention is: a kind of steel reinforced concrete composite beam plate structure of small-sized bridges and culverts, structure comprises that Connection Block, two ends are arranged on the steel reinforced concrete combination bridges and culverts panel of Connection Block top, its key is: the more than two U-shaped rib that the structure of described steel reinforced concrete combination bridges and culverts panel comprises steel bridge deck, be arranged in parallel along its axial direction below steel bridge deck, described Connection Block is provided with the groove mating with U-shaped rib.
Further, be fixed with steel mesh reinforcement above steel bridge deck, steel mesh reinforcement is connected to form space truss structure by support connecting piece and steel bridge deck, has built concrete in space truss structure.
Further, in described U-shaped rib, be filled with concrete.
Further, be provided with banded plate in steel bridge deck surrounding.
Further, described steel mesh reinforcement surrounding is provided with steel bar end, and steel bar end is fixedly connected with banded plate.
Further, support connecting piece is the shape of a hoof with steel bar end.
Further, described Connection Block is welded into the casing of upper shed by two parallel steel plates, end plates and the base plate that are provided with described groove, and the open end of casing mates and is connected to form closed structure with steel bridge deck, U-shaped rib.
Further, in described casing, be filled with concrete.
Further, also comprise and run through the anchor hole that described casing is connected with steel bridge deck and with the anchor rod on abutment or bent cap in the described bridge structure that collapses.
The present invention compared with prior art beneficial effect is: adopts the bridges and culverts panel of steel reinforced concrete combination, the groove mating with U-shaped rib is set on Connection Block, and simple in structure, lightweight, easy for installation, mechanical property is good; Between the space truss structure concrete that steel mesh reinforcement and steel bridge deck form and steel bridge deck, can not produce slippage or throw off phenomenon, being particularly suitable for small bridge; On Connection Block, be provided with the anchor hole being connected with abutment or bent cap, be located by connecting convenient and swift, can prevent that bridges and culverts slip of face slat lands.
Below in conjunction with accompanying drawing, the present invention is described in detail.
Brief description of the drawings
Fig. 1 is front view of the present invention;
Fig. 2 is that in Fig. 1, the three-dimensional view after Connection Block is removed in steel reinforced concrete combination bridges and culverts panel one end;
Fig. 3 is another three-dimensional view of steel reinforced concrete combination bridges and culverts panel in Fig. 1;
Fig. 4 is the structural representation of Connection Block in the present invention.
In accompanying drawing, the 1st, U-shaped rib, the 2nd, steel bridge deck, the 3rd, banded plate, the 4th, steel mesh reinforcement, the 5th, support connecting piece, the 6th, anchor hole, the 7th, steel bar end, the 8th, Connection Block, 8-1 is groove.
Detailed description of the invention
Referring to accompanying drawing 1, a kind of steel reinforced concrete composite beam plate structure of small-sized bridges and culverts, structure comprises that Connection Block 8, two ends are arranged on the steel reinforced concrete combination bridges and culverts panel of Connection Block 8 tops, key is: the more than two U-shaped rib 1 that the structure of described steel reinforced concrete combination bridges and culverts panel comprises steel bridge deck 2, be arranged in parallel along its axial direction below steel bridge deck 2, described Connection Block 8 is provided with the groove 8-1 mating with U-shaped rib 1.U-shaped rib 1 coordinates with groove 8-1, and the one, can enlarge active surface, prevent that stress from concentrating, the 2nd, can facilitate the location of steel reinforced concrete combination bridges and culverts panel.
Above steel bridge deck 2, be fixed with steel mesh reinforcement 4, steel mesh reinforcement 4 is connected to form space truss structure by support connecting piece 5 and steel bridge deck 2, has built concrete in space truss structure.The concrete being cast in space truss structure is jointly formed and bonds concrete by support connecting piece 5 and steel mesh reinforcement 4, concrete is fixedly secured between steel bridge deck 2 and steel mesh reinforcement 4, and there is support connecting piece 5 to play the fixation of all directions, therefore concrete and steel bridge deck 2 do not produce interface sliding or disengagement, keep the jointly stressed of concrete and steel bridge deck 2.Space truss structure can make the stable mechanical property of whole steel reinforced concrete combination bridges and culverts panel and U-shaped rib 1 the Bending property that has improved it is set.
In described U-shaped rib 1, brace rod can be set.Distortion when brace rod is set can prevents that U-shaped rib 1 is long in manufacturing process.
In described U-shaped rib 1, be filled with concrete.Further, in U-shaped rib 1, in fluid concrete, further strengthened the compressive property of whole bridge deck.
Be provided with banded plate 3 in steel bridge deck 2 surroundings.The object that banded plate 3 is set is for the steel bar end 7 of fixing steel mesh reinforcement 4, facilitates concrete cast, forms firm netted steel and concrete structure.
Described steel mesh reinforcement 4 surroundings are provided with steel bar end 7, and steel bar end 7 is fixedly connected with banded plate 3.The object of steel bar end 7 is set, can saves a part of support connecting piece 5, can also be welded and fixed and form stable syndeton with banded plate 3 and steel bridge deck 2.
Support connecting piece 5 is the shape of a hoof with elbow.
Described Connection Block 8 is welded into the casing of upper shed by two parallel steel plates, end plates and the base plate that are provided with described groove 8-1, the open end of casing mates and is connected to form closed structure with steel bridge deck 2, U-shaped rib 1.
In described casing, be filled with concrete.
Also comprise and run through the anchor hole 6 that described casing is connected with steel bridge deck 2 and with the anchor rod on abutment or bent cap in the described bridge structure that collapses.Anchor hole 6 arrange one be with abutment or the bent cap of bottom on anchor rod be located by connecting, the 2nd, spacing, prevent that bridges and culverts slip of face slat lands, and plays safeguard protection effect.
The present invention is in the specific implementation: referring to accompanying drawing 1-4, with rivet, U-shaped rib 1 is riveted on to the below of steel bridge deck 2, then steel mesh reinforcement 4, support connecting piece 5 is welded on to steel bridge deck 2 tops and forms space truss structures.The surrounding of steel bridge deck 2 is welded and fixed banded plate 3, and object is stability and the fluid concrete in order to strengthen rack.Connection Block 8 and banded plate 3, U-shaped rib 1 and steel bridge deck 3 are welded and fixed.Concreting in the most backward space truss structure.
In the time need to increasing the intensity of bridges and culverts panel, can be in U-shaped rib 1 concreting.
In sum, the beam and slab structure of the technical scheme provided by the invention of employing, simple in structure, easy construction also has good mechanical property.
Claims (9)
1. the steel reinforced concrete composite beam plate structure of a small-sized bridges and culverts, structure comprises that Connection Block (8), two ends are arranged on the steel reinforced concrete combination bridges and culverts panel of Connection Block (8) top, it is characterized in that: the more than two U-shaped rib (1) that the structure of described steel reinforced concrete combination bridges and culverts panel comprises steel bridge deck (2), be arranged in parallel along its axial direction in steel bridge deck (2) below, described Connection Block (8) is provided with the groove (8-1) mating with U-shaped rib (1).
2. the steel reinforced concrete composite beam plate structure of a kind of small-sized bridges and culverts according to claim 1, it is characterized in that: be fixed with steel mesh reinforcement (4) in steel bridge deck (2) top, steel mesh reinforcement (4) is connected to form space truss structure by support connecting piece (5) and steel bridge deck (2), has built concrete in space truss structure.
3. the steel reinforced concrete composite beam plate structure of a kind of small-sized bridges and culverts according to claim 1, is characterized in that: in described U-shaped rib (1), be filled with concrete.
4. the steel reinforced concrete composite beam plate structure of a kind of small-sized bridges and culverts according to claim 2, is characterized in that: be provided with banded plate (3) in steel bridge deck (2) surrounding.
5. the steel reinforced concrete composite beam plate structure of a kind of small-sized bridges and culverts according to claim 4, is characterized in that: described steel mesh reinforcement (4) surrounding is provided with steel bar end (7), and steel bar end (7) is fixedly connected with banded plate (3).
6. the steel reinforced concrete composite beam plate structure of a kind of small-sized bridges and culverts according to claim 2, is characterized in that: support connecting piece (5) is the shape of a hoof with elbow.
7. the steel reinforced concrete composite beam plate structure of a kind of small-sized bridges and culverts according to claim 1, it is characterized in that: described Connection Block (8) is welded into the casing of upper shed by two parallel steel plates, end plates and the base plate that are provided with described groove (8-1), the open end of casing mates and is connected to form closed structure with steel bridge deck (2), U-shaped rib (1).
8. the steel reinforced concrete composite beam plate structure of a kind of small-sized bridges and culverts according to claim 7, is characterized in that: in described casing, be filled with concrete.
9. the steel reinforced concrete composite beam plate structure of a kind of small-sized bridges and culverts according to claim 7, is characterized in that: also comprise and run through the anchor hole (6) that described casing is connected with steel bridge deck (2) and with the anchor rod on abutment or bent cap in described beam and slab structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244635.6A CN104074126B (en) | 2014-06-05 | 2014-06-05 | A kind of steel reinforced concrete composite beam plate structure of small-sized bridges and culverts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244635.6A CN104074126B (en) | 2014-06-05 | 2014-06-05 | A kind of steel reinforced concrete composite beam plate structure of small-sized bridges and culverts |
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| CN104074126A true CN104074126A (en) | 2014-10-01 |
| CN104074126B CN104074126B (en) | 2016-05-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612030A (en) * | 2014-12-17 | 2015-05-13 | 邢台路桥交通设施有限公司 | Small-span steel mixed composite bridge plate and construction technology thereof |
| CN107009497A (en) * | 2017-05-04 | 2017-08-04 | 绵阳市川交公路规划勘察设计有限公司 | A kind of production technology of anchor recess formula pre-stressed bridge beam slab |
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| CN2358139Y (en) * | 1998-07-03 | 2000-01-12 | 叶进成 | Fixed structure of eave of waveform plate building |
| JP2002250009A (en) * | 2001-02-23 | 2002-09-06 | Nippon Steel Corp | Steel-concrete composite beam using corrugated steel plate web |
| KR100679664B1 (en) * | 2006-11-17 | 2007-02-06 | 주식회사 스틸코리아 | Steel framed girder and slab structure for bridge and the construction method |
| JP2008002105A (en) * | 2006-06-21 | 2008-01-10 | Taisei Corp | Floor slab structure and method of reinforcing steel floor slab |
| CN101748682A (en) * | 2010-01-22 | 2010-06-23 | 清华大学 | Steel-concrete composite beam adopting corrugated steel web and construction method thereof |
| CN203420221U (en) * | 2013-08-08 | 2014-02-05 | 南京工业大学 | Orthotropic steel plate-fiber grid reinforced concrete combined bridge floor structure |
| CN103669206A (en) * | 2013-10-24 | 2014-03-26 | 沈阳建筑大学 | Steel bridge deck structure and steel bridge deck structure constructing method |
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2014
- 2014-06-05 CN CN201410244635.6A patent/CN104074126B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2358139Y (en) * | 1998-07-03 | 2000-01-12 | 叶进成 | Fixed structure of eave of waveform plate building |
| JP2002250009A (en) * | 2001-02-23 | 2002-09-06 | Nippon Steel Corp | Steel-concrete composite beam using corrugated steel plate web |
| JP2008002105A (en) * | 2006-06-21 | 2008-01-10 | Taisei Corp | Floor slab structure and method of reinforcing steel floor slab |
| KR100679664B1 (en) * | 2006-11-17 | 2007-02-06 | 주식회사 스틸코리아 | Steel framed girder and slab structure for bridge and the construction method |
| CN101748682A (en) * | 2010-01-22 | 2010-06-23 | 清华大学 | Steel-concrete composite beam adopting corrugated steel web and construction method thereof |
| CN203420221U (en) * | 2013-08-08 | 2014-02-05 | 南京工业大学 | Orthotropic steel plate-fiber grid reinforced concrete combined bridge floor structure |
| CN103669206A (en) * | 2013-10-24 | 2014-03-26 | 沈阳建筑大学 | Steel bridge deck structure and steel bridge deck structure constructing method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612030A (en) * | 2014-12-17 | 2015-05-13 | 邢台路桥交通设施有限公司 | Small-span steel mixed composite bridge plate and construction technology thereof |
| CN107009497A (en) * | 2017-05-04 | 2017-08-04 | 绵阳市川交公路规划勘察设计有限公司 | A kind of production technology of anchor recess formula pre-stressed bridge beam slab |
| CN107009497B (en) * | 2017-05-04 | 2019-11-08 | 江苏惠淳建设有限公司 | A kind of production technology of anchor recess formula pre-stressed bridge beam slab |
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| Publication number | Publication date |
|---|---|
| CN104074126B (en) | 2016-05-11 |
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Address after: 054001, 79 Qiao Road, Qiaodong District, Hebei, Xingtai Patentee after: Xingtai road and Bridge Construction Group Co.,Ltd. Address before: 054001, 79 Qiao Road, Qiaodong District, Hebei, Xingtai Patentee before: XINGTAI ROAD & BRIDGE CONSTRUCTION GENERAL Co.,Ltd. |