CN219908542U - Bridge structure for high-steep slope road - Google Patents
Bridge structure for high-steep slope road Download PDFInfo
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- CN219908542U CN219908542U CN202320432396.1U CN202320432396U CN219908542U CN 219908542 U CN219908542 U CN 219908542U CN 202320432396 U CN202320432396 U CN 202320432396U CN 219908542 U CN219908542 U CN 219908542U
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- steep side
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- 238000011144 upstream manufacturing Methods 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 12
- 238000004873 anchoring Methods 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 description 3
- RLLPVAHGXHCWKJ-IEBWSBKVSA-N (3-phenoxyphenyl)methyl (1s,3s)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate Chemical compound CC1(C)[C@H](C=C(Cl)Cl)[C@@H]1C(=O)OCC1=CC=CC(OC=2C=CC=CC=2)=C1 RLLPVAHGXHCWKJ-IEBWSBKVSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Abstract
The utility model discloses a bridge structure for a high-steep slope road, which can effectively prevent settlement and slippage of a high-steep slope bridge foundation. The high-steep side slope is provided with an upper anti-slip row pile which extends along the trend of the bridge, and a lower anti-slip row pile which extends along the trend of the bridge is arranged on the high-steep side slope at the downstream of the slope of the row of bridge columns. The upper anti-slide row pile can effectively prevent the horizontal sliding of the high-steep side slope above the upper anti-slide row pile, and the lower anti-slide row pile can effectively prevent the horizontal sliding of the high-steep side slope between the upper anti-slide row pile and the lower anti-slide row pile, so that the settlement and the sliding of the bridge foundation of the high-steep side slope can be effectively prevented.
Description
Technical Field
The utility model relates to a bridge structure for a high-steep slope road.
Background
Along with the rapid development of expressway construction in China, in order to avoid damage to mountain areas and ecological environments of mountain areas and river valleys, high-pier large-span bridges are increasingly attracting attention of a large number of bridge designers, and accordingly a large number of mountain area high-steep side slope bridges are formed, and the problem of construction stability of the mountain area high-steep side slope bridges is particularly remarkable. At present, most students at home and abroad perform slope stability research around a stability calculation method and slope stress, but the application of a slope stability analysis theory in the design of a mountain area high-steep slope bridge foundation is less mentioned, however, the pile foundation arranged in the mountain area high-steep slope is interacted with the slope under the influence of upper structural load or pile foundation construction process, the original stress field of the slope is disturbed, the slope instability is possibly caused, and the bridge construction safety and operation are seriously endangered. At present, aiming at the problem that a high-steep slope foundation is easy to settle and slide, an anchor rope and an anchor rod are mainly arranged on a high-steep slope surface to carry out slope reinforcement, and hidden danger of weak slope reinforcement exists.
Disclosure of Invention
The utility model aims to provide a bridge structure for a high-steep slope road, which can more effectively prevent settlement and slippage of a high-steep slope foundation.
The utility model relates to a bridge structure for a highway with a high steep side slope, which comprises a row of bridge posts which are built on the high steep side slope and are arranged at intervals along the trend of the bridge, and bridges which are supported at the upper ends of the row of bridge posts, wherein an upper anti-slip row pile which is arranged along the trend of the bridge is built on the high steep side slope at the upper part of the slope surface of the row of bridge posts, and a lower anti-slip row pile which is arranged along the trend of the bridge is built on the high steep side slope at the lower part of the slope surface of the row of bridge posts.
Further, the upper anti-slide row piles and/or the lower anti-slide row piles adopt one of a chair type pile wall, a portal rigid frame pile wall and a row frame anti-slide pile wall.
Furthermore, a bedrock anchoring structure which is matched with the row of bridge posts and/or the upper anti-slide row piles and/or the lower anti-slide row piles to jointly strengthen the high and steep side slope is also built on the high and steep side slope, and the bedrock anchoring structure penetrates into the high and steep side slope from the slope surface of the high and steep side slope to be anchored with bedrock. The bedrock anchoring structure can adopt at least one of anchor ropes and anchor rods.
Further, the bridge columns in the row of bridge columns comprise slope upstream side column piles and slope downstream side column piles, and the slope upstream side column piles and the slope downstream side column piles are connected into a whole through a cross beam. Further, the bottom height of the ramp downstream side post may be lower than the bottom height of the ramp upstream side post.
In the bridge structure for the high and steep side slope highway, the upper anti-slip row piles are arranged on the high and steep side slope and positioned on the slope surface upstream of the row of bridge posts, the lower anti-slip row piles are arranged on the high and steep side slope and positioned on the slope surface downstream of the row of bridge posts, and the upper anti-slip row piles can effectively block horizontal slip of the high and steep side slope above the upper anti-slip row piles, and the lower anti-slip row piles can effectively block horizontal slip of the high and steep side slope between the upper part of the lower anti-slip row piles and the lower part of the bridge posts, so that settlement and slip of the foundation of the bridge foundation of the high and steep side slope can be effectively prevented.
The utility model is further described below with reference to the drawings and detailed description. Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the utility model and, together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic cross-sectional view of a bridge construction for a high steep slope road according to an embodiment of the utility model.
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the utility model based on these descriptions. Before describing the present utility model with reference to the accompanying drawings, it should be noted in particular that:
the technical solutions and technical features provided in the respective sections including the following description may be combined with each other without conflict. Furthermore, the described embodiments, features, and combinations of features can be combined as desired and claimed in any given application.
The utility model described in the following description is intended to be limited to only a few, but not all embodiments, based on which all other embodiments, as may be obtained by one of ordinary skill in the art without inventive faculty, are intended to fall within the scope of patent protection.
The terms "comprising," "including," "having," and any variations thereof, in this specification and the corresponding claims and related parts, are intended to cover a non-exclusive inclusion. Other related terms and units may be reasonably construed based on the description provided herein.
Fig. 1 is a schematic cross-sectional view of a bridge construction for a high steep slope road according to an embodiment of the utility model. As shown in fig. 1, the bridge structure for the highway with the high and steep side slope comprises a row of bridge posts 3 which are built on the high and steep side slope 1 and are arranged at intervals along the trend of the bridge, and bridges 2 which are supported at the upper ends of the row of bridge posts 3, wherein an upper anti-slip row pile 4 which is arranged along the trend of the bridge is built on the high and steep side slope 1 and is positioned on the slope upstream of the row of bridge posts 3, and a lower anti-slip row pile 5 which is arranged along the trend of the bridge is built on the high and steep side slope 1 and is positioned on the slope downstream of the row of bridge posts 3.
In the bridge structure for the high and steep slope highway, as the upper anti-slide row piles 4 extending along the trend of the bridge are built on the high and steep slope 1 and positioned on the slope upstream of the row of bridge posts 3, the lower anti-slide row piles 5 extending along the trend of the bridge are built on the high and steep slope 1 and positioned on the slope downstream of the row of bridge posts 3, the upper anti-slide row piles 4 can effectively block the horizontal sliding of the high and steep slope 1 above the upper anti-slide row piles 4, and the lower anti-slide row piles 5 can effectively block the horizontal sliding of the high and steep slope 1 between the upper side of the lower anti-slide row piles 5 and the lower side of the bridge posts 3, so that the settlement and the sliding of the foundation of the bridge of the high and steep slope can be effectively prevented.
Wherein, the upper anti-slide row pile 4 and the lower anti-slide row pile 5 can adopt one of a chair type pile wall, a portal rigid frame pile wall and a row frame anti-slide pile wall. The chair type pile wall, the portal rigid frame pile wall and the bent anti-slide pile wall are all bent anti-slide piles known in the slope reinforcement field, and have the advantages of stable structure and good anti-slide effect. In fig. 1, the upper and lower anti-slip pickets 4, 5 are embodied as portal rigid frame pile walls, which are lower in construction cost than chair type pile walls and picket walls.
In addition, a bedrock anchoring structure which is matched with the row of bridge posts 3 and/or the upper anti-slide row piles 4 and/or the lower anti-slide row piles 5 to jointly strengthen the high and steep side slope 1 can be built on the high and steep side slope 1, and the bedrock anchoring structure penetrates into the high and steep side slope from the slope surface of the high and steep side slope to be anchored with bedrock.
Specifically, an anchor cable 6 is arranged on the steep slope 1 between the lower side of the upper anti-slide row pile 4 and the upper side of the bridge column 3, and the anchor cable 6 is used for anchoring the slope surface of the steep slope 1 with bedrock, so that horizontal sliding between the lower side of the upper anti-slide row pile 4 and the upper side of the bridge column 3 can be further prevented through the anchor cable 6. In addition, be provided with on the high steep side slope 1 and follow on the high steep side slope 1 the slope face is gone deep in the high steep side slope 1 with stock anchor 7, can further prevent through stock 7 that the level between bridge post 3 below and the lower anti-slide row stake 5 top from sliding.
For the concrete structure of the bridge columns, as shown in fig. 1, the bridge columns 3 in the row of bridge columns 3 include a slope upstream side column pile 31 and a slope downstream side column pile 32, and the slope upstream side column pile 31 and the slope downstream side column pile 32 are connected into a whole through a beam 33. The slope upstream side post 31, the slope downstream side post 32 and the cross beam 33 are generally reinforced concrete integrated structures, and have high structural strength and stability.
In addition, the bottom height of the slope downstream side post pile 32 may be lower than the bottom height of the slope upstream side post pile 31, so that the length of the slope downstream side post pile 32 is longer than that of the slope upstream side post pile 31, and the slope downstream side post pile 32 is inserted into the high and steep slope 1 to be deeper, thereby playing a good anti-slip role. Anchor cables or anchor rods anchored with bedrock can be connected to the slope downstream side column piles 32, so that the whole bridge column 3 can be tightly connected with the bedrock, and the stability of the pile foundation is further improved.
The content of the present utility model is described above. Those of ordinary skill in the art will be able to implement the utility model based on these descriptions. Based on the foregoing specification, all other embodiments that may be obtained by one of ordinary skill in the art without making any inventive effort shall fall within the scope of the utility model.
Claims (6)
1. The utility model provides a bridge structure for high steep side slope highway, includes and builds on high steep side slope and along bridge trend interval arrangement's a row of bridge post and support the bridge in a row of bridge post upper end, its characterized in that: an upper anti-slip row pile extending along the trend of the bridge is built on the high-steep side slope, which is positioned on the upper side of the slope surface of the row of bridge posts, and a lower anti-slip row pile extending along the trend of the bridge is built on the high-steep side slope, which is positioned on the lower side of the slope surface of the row of bridge posts.
2. A bridge construction for high steep side roads according to claim 1, wherein: the upper anti-slide row piles and/or the lower anti-slide row piles are/is one of chair type pile walls, portal rigid frame pile walls and row frame anti-slide pile walls.
3. A bridge construction for high steep side roads according to claim 1, wherein: and a bedrock anchoring structure which is matched with the row of bridge posts and/or the upper anti-slide row piles and/or the lower anti-slide row piles to jointly strengthen the high and steep side slope is also built on the high and steep side slope, and the bedrock anchoring structure penetrates into the high and steep side slope from the slope surface of the high and steep side slope to be anchored with bedrock.
4. A bridge construction for high steep side roads according to claim 3, wherein: the bedrock anchoring structure adopts at least one of anchor ropes and anchor rods.
5. A bridge construction for high steep side roads according to claim 1, wherein: the bridge columns in the row of bridge columns comprise slope upstream side column piles and slope downstream side column piles, and the slope upstream side column piles and the slope downstream side column piles are connected into a whole through a cross beam.
6. A bridge construction for high steep side roads according to claim 5, wherein: the bottom height of the slope downstream side post is lower than that of the slope upstream side post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320432396.1U CN219908542U (en) | 2023-03-09 | 2023-03-09 | Bridge structure for high-steep slope road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320432396.1U CN219908542U (en) | 2023-03-09 | 2023-03-09 | Bridge structure for high-steep slope road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219908542U true CN219908542U (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320432396.1U Active CN219908542U (en) | 2023-03-09 | 2023-03-09 | Bridge structure for high-steep slope road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219908542U (en) |
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2023
- 2023-03-09 CN CN202320432396.1U patent/CN219908542U/en active Active
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