CN217203584U - Bridge structure with U-shaped beam - Google Patents
Bridge structure with U-shaped beam Download PDFInfo
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- CN217203584U CN217203584U CN202220407712.5U CN202220407712U CN217203584U CN 217203584 U CN217203584 U CN 217203584U CN 202220407712 U CN202220407712 U CN 202220407712U CN 217203584 U CN217203584 U CN 217203584U
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Abstract
The utility model discloses a bridge structures with U type roof beam belongs to bridge engineering technical field. The bridge structure with the U-shaped beam comprises a bridge pier, the U-shaped beam, a positioning assembly and a cover plate assembly; the U-shaped beam is arranged on the bridge pier; the positioning piece is arranged between the pier and the U-shaped beam and used for connecting the U-shaped beam with the pier; the cover plate assembly is arranged on the U-shaped beam and fixedly connected with the U-shaped beam. The bridge structure with the U-shaped beam can effectively reduce the dead weight of the main beam, reduce the consumption of materials and save the construction cost, and because the mass of the main beam is reduced, the local cracking condition of the main beam generated near a hoisting point can be avoided in the hoisting process, meanwhile, the requirements on construction machinery such as a crane are reduced, and the construction convenience is enhanced.
Description
Technical Field
The utility model relates to a bridge engineering technical field, concretely relates to bridge structures with U type roof beam.
Background
With the development of social economy, traffic engineering construction enters a rapid development period, the demand on bridges is increasingly greater in the construction process, and the requirements on the economy and the construction of the bridges are also increasingly increased. The integrated box girder has good integrity, large bearing capacity and strong torsion resistance, and is widely applied to bridge engineering. The main construction methods of the integrated box girder comprise a support cast-in-place method, a prefabricated section assembling method and a prefabricated integral hoisting method, but the three methods have many defects.
When the support is used for cast-in-place construction, a large number of supports are needed, and the requirement on a constructed template is very high; when the prefabricated sections are used for splicing, more construction joints exist, and the integrity is poor; when the prefabricated integral hoisting is used, the self weight of the box girder is overlarge, the requirement on hoisting equipment can be very high, 900t of hoisting machinery is needed once the long-span high-speed railway bridge is spanned, cracks are easily generated near hoisting points in the hoisting process, and the use performance of the main girder is reduced. In addition, the integrated box girder consumes a lot of materials, so that the construction cost is increased, and the economical efficiency of construction is not facilitated.
Therefore, it is necessary to develop a bridge structure and a construction method thereof that are lightweight and economical and can reduce the requirements for construction machines such as bridge cranes, and particularly, when the crane capacity is limited, it is necessary to develop a bridge structure and a construction method thereof.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bridge structures with U type roof beam, solve present bridge structures and adopt the material that integral case roof beam leads to many, from great, hoist and mount the technical problem that requires height and cost are high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bridge construction having U-shaped beams comprising:
the bridge pier is provided with a limiting block;
the U-shaped beam is arranged on the bridge pier;
the positioning piece is arranged between the pier and the U-shaped beam and used for connecting the U-shaped beam with the pier;
and the cover plate assembly is arranged on the U-shaped beam and is fixedly connected with the U-shaped beam.
Furthermore, the limiting block is arranged in the middle of the top surface of the pier and used for limiting the displacement of the U-shaped beam along the transverse bridge direction.
Furthermore, the bridge structure with the U-shaped beams comprises two U-shaped beams, and the two U-shaped beams are respectively arranged on two sides of the limiting block along the transverse bridge direction;
u type roof beam includes bottom plate, interior web and outer web, the bottom plate is connected interior web with outer web, interior web is located and is close to one side of stopper, outer web is located and keeps away from one side of stopper.
Further, the positioning assembly comprises a vertical support and a lateral support;
the vertical support is arranged between the pier and the bottom plate and used for connecting the pier and the U-shaped beam;
the lateral support is arranged between the limiting block and the inner web plate and used for connecting the limiting block with the U-shaped beam.
Further, the cover plate assembly includes a center plate and an end plate;
the central plate is fixed on the inner webs of two adjacent U-shaped beams along the transverse bridge direction;
the end plates are respectively arranged on the single U-shaped beams.
Furthermore, the inner web plate is provided with a flange connecting part, and the end plate is fixed on the flange connecting part through an anchor head.
Furthermore, a concrete cast-in-place layer is arranged on the cover plate assembly, and the cover plate assembly and the U-shaped beam are connected into a whole through the concrete cast-in-place layer.
The beneficial effects of the utility model reside in that:
the bridge structure with the U-shaped beam can effectively reduce the dead weight of the main beam, reduce the consumption of materials and save the construction cost, and because the mass of the main beam is reduced, the local cracking condition of the main beam generated near a hoisting point can be avoided in the hoisting process, meanwhile, the requirements on construction machinery such as a crane are reduced, and the convenience of construction is enhanced.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
In the figure:
1-bridge pier; 2-U-shaped beam; 21-a bottom plate; 22-an inner web; 221-flange connection; 23-an outer web; 31-a vertical support; 32-lateral support; 41-center plate; 42-end plate; 5-a limiting block; 6-anchor head; 7-a concrete cast-in-place layer; 8-temporary support.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the present embodiment provides a bridge structure having a U-shaped beam 2, including a bridge pier 1, a U-shaped beam 2, a positioning assembly, and a cover plate assembly; a limiting block 5 is arranged on the pier 1; the U-shaped beam 2 is arranged on the bridge pier 1; the positioning piece is arranged between the pier 1 and the U-shaped beam 2 and used for connecting the U-shaped beam 2 with the pier 1; the cover plate assembly is arranged on the U-shaped beam 2 and is fixedly connected with the U-shaped beam 2. The bridge structure with the U-shaped beam 2 can effectively reduce the dead weight of the main beam, reduce the consumption of materials and save the construction cost, and because the mass of the main beam is reduced, the local cracking condition of the main beam generated near a hoisting point can be avoided in the hoisting process, meanwhile, the requirements on construction machinery such as a crane are reduced, and the convenience of construction is enhanced.
In this embodiment, stopper 5 is located the middle part position of 1 top surface of pier, stopper 5 is used for restricting the displacement along the horizontal bridge of U type roof beam 2 to, and the lateral displacement of the roof beam body is too big when avoiding the earthquake to take place even produces and falls the roof beam.
In this embodiment, the bridge structure with the U-shaped beams 2 includes two U-shaped beams 2, and the two U-shaped beams 2 are respectively disposed on two sides of the limiting block 5 along the transverse bridge direction; the U-shaped beam 2 comprises a bottom plate 21, an inner web 22 and an outer web 23, wherein the bottom plate 21 is connected with the inner web 22 and the outer web 23, the inner web 22 is located on one side close to the limiting block 5, and the outer web 23 is located on one side far away from the limiting block 5. The arrangement of two U type roof beams 2 can increase the horizontal bridge of bridge to the width, and can be more even transmit the bridge floor load for pier 1.
In this embodiment, the positioning assembly comprises a vertical support 31 and a lateral support 32; the vertical support 31 is arranged between the pier 1 and the bottom plate 21 and is used for connecting the pier 1 and the U-shaped beam 2; the lateral support 32 is arranged between the limiting block 5 and the inner web 22 and is used for connecting the limiting block 5 and the U-shaped beam 2. The arrangement of the side supports 32 can limit the transverse bridge displacement of the U-shaped beam 2, and the safety of the bridge is improved.
In the present embodiment, the cover plate assembly includes a center plate 41 and an end plate 42; the central plate 41 is fixed on the inner webs 22 of two adjacent U-shaped beams 2 along the transverse bridge direction; the end plates 42 are respectively provided on the single-piece U-shaped beams 2. The center plate 41 and end plates 42 provide structural support and a foundation for the laying of the deck.
In this embodiment, the flange connection portion 221 is disposed on the inner web 22, and the end plate 42 is fixed to the flange connection portion 221 through the anchor head 6, so that the firmness of connection between the end plate 42 and the U-shaped beam 2 is enhanced.
In this embodiment, be equipped with cast-in-place layer of concrete 7 on the apron subassembly, apron subassembly and U type roof beam 2 link as an organic whole through cast-in-place layer of concrete 7, have strengthened the wholeness of bridge.
The construction process of the embodiment is as follows:
s1, constructing the pier 1 and prefabricating the U-shaped beam 2 and the cover plate assembly;
s2, hoisting the U-shaped beam 2 to the pier 1, and connecting the U-shaped beam 2 through a positioning assembly;
and S3, laying the cover plate assembly on the U-shaped beam 2.
In this embodiment, step S1 further includes the following steps:
s11, constructing a limiting block 5 on the pier 1;
s12, prefabricating the U-shaped beam 2;
and S13, prefabricating the cover plate assembly.
In this embodiment, step S2 further includes the following steps:
s21, mounting the vertical support 31 on the pier 1;
s22, installing a temporary support 8 on the pier 1, wherein the temporary support 8 is a wooden temporary support 8;
s23, mounting the lateral support 32 on the limiting block 5;
and S24, hoisting the two U-shaped beams 2 to the pier 1, and connecting the two U-shaped beams with the vertical support 31, the temporary support 8 and the limiting block 5.
In this embodiment, step S3 further includes the following steps:
s31, fixing the central plate 41 on the inner webs 22 of the two adjacent U-shaped beams 2 along the transverse bridge direction;
s32, respectively arranging the end plates 42 on the single U-shaped beams 2;
s33, laying a concrete cast-in-place layer 7 on the cover plate component;
and S34, removing the temporary support 8.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way, and the optimization can be performed according to the actual engineering. The content of the technical solution of the present invention is not separated, any modification, equivalent change and decoration to the above embodiments according to the technical principle of the present invention are still within the scope of the technical solution of the present invention.
Claims (7)
1. A bridge construction having U-beams, comprising:
the bridge pier is provided with a limiting block;
the U-shaped beam is arranged on the bridge pier;
the positioning assembly is arranged between the bridge pier and the U-shaped beam and used for connecting the U-shaped beam with the bridge pier;
and the cover plate assembly is arranged on the U-shaped beam and is fixedly connected with the U-shaped beam.
2. The bridge structure with the U-shaped beam according to claim 1, wherein the stopper is disposed at a middle position of the top surface of the pier, and the stopper is configured to limit displacement of the U-shaped beam in a transverse bridge direction.
3. The bridge structure with U-shaped beams according to claim 2, wherein the bridge structure with U-shaped beams comprises two U-shaped beams, and the two U-shaped beams are respectively arranged at two sides of the limiting block along the transverse bridge direction;
u type roof beam includes bottom plate, interior web and outer web, the bottom plate is connected interior web with outer web, interior web is located and is close to one side of stopper, outer web is located and keeps away from one side of stopper.
4. A bridge construction with U-beams according to claim 3, characterised in that said positioning assembly comprises vertical supports and lateral supports;
the vertical support is arranged between the pier and the bottom plate and used for connecting the pier and the U-shaped beam;
the lateral support is arranged between the limiting block and the inner web plate and used for connecting the limiting block with the U-shaped beam.
5. A bridge construction with U-beams according to claim 4, wherein the cover plate assembly comprises a central plate and end plates;
the central plate is fixed on the inner webs of two adjacent U-shaped beams along the transverse bridge direction;
the end plates are respectively arranged on the single U-shaped beams.
6. A bridge construction with U-shaped beams according to claim 5, wherein the inner web is provided with flange connection parts, and the end plates are fixed on the flange connection parts through anchor heads.
7. A bridge construction having a U-shaped beam according to any one of claims 1 to 6, wherein a cast-in-place concrete layer is provided on the cover plate assembly, and the cover plate assembly and the U-shaped beam are integrally connected through the cast-in-place concrete layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220407712.5U CN217203584U (en) | 2022-02-25 | 2022-02-25 | Bridge structure with U-shaped beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220407712.5U CN217203584U (en) | 2022-02-25 | 2022-02-25 | Bridge structure with U-shaped beam |
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| Publication Number | Publication Date |
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| CN217203584U true CN217203584U (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220407712.5U Active CN217203584U (en) | 2022-02-25 | 2022-02-25 | Bridge structure with U-shaped beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687273A (en) * | 2022-02-25 | 2022-07-01 | 中铁十八局集团有限公司 | Bridge structure with U-shaped beam and construction method thereof |
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2022
- 2022-02-25 CN CN202220407712.5U patent/CN217203584U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687273A (en) * | 2022-02-25 | 2022-07-01 | 中铁十八局集团有限公司 | Bridge structure with U-shaped beam and construction method thereof |
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