CN211645809U - Bridge platform back foam light soil roadbed structure - Google Patents
Bridge platform back foam light soil roadbed structure Download PDFInfo
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- CN211645809U CN211645809U CN201922394477.3U CN201922394477U CN211645809U CN 211645809 U CN211645809 U CN 211645809U CN 201922394477 U CN201922394477 U CN 201922394477U CN 211645809 U CN211645809 U CN 211645809U
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- light soil
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Abstract
The utility model relates to a bridge platform back foam light dirt road bed structure belongs to road and bridge technical field. The method comprises the following steps: the foundation pit to and the asphalt oil of setting on foundation pit surface, the interlude has the reinforcement stake that is linear arrangement in the foundation pit, the surface of foundation pit is provided with the concrete, the surface of concrete is provided with the asphalt oil, the surface of asphalt oil is provided with the cobble bed course, the surface of cobble bed course is provided with the foam light soil, the surface of foam light soil is provided with the pitch surface course, and is adjacent be provided with the coupling assembling that is used for improving reinforcement stake joint strength between the reinforcement stake. The utility model discloses a reinforcement pile that sets up can consolidate the foundation ditch to increased the ability that the foundation ditch bore stress, makeed the foundation ditch to bear great stress, and then reduced the foundation ditch and taken place the possibility of subsiding.
Description
Technical Field
The utility model belongs to the technical field of the road and bridge technique and specifically relates to a bridge platform back foam light dirt road bed structure is related to.
Background
The bridge abutment is a building for supporting the superstructure of a bridge and connecting with an embankment, and has the functions of transferring the load of the superstructure of the bridge to a foundation, resisting the earth filling pressure behind the abutment, stabilizing the roadbed at the bridge head and connecting the line at the bridge head and the line on the bridge reliably and stably. The bridge platform is mostly arranged on the surface of the roadbed, so that a bridge platform back foam light soil roadbed structure is often used.
Among the prior art, bridge platform back foam light dirt road bed structure includes: the asphalt pavement structure comprises a foundation pit and asphalt oil arranged on the surface of the foundation, wherein a pebble cushion is arranged on the surface of the asphalt oil, foam light soil is arranged at the top of the pebble cushion, and an asphalt surface layer is arranged on the surface of the foam light soil.
The above prior art solutions have the following drawbacks: the foundation of the bridge construction section often has the characteristics of large pores, high water content and the like, so that the foundation pit often settles if the foundation pit has overlarge stress, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide a bridge platform back foam light dirt road bed structure can consolidate the ground foundation ditch, increases the stress that the ground bore, reduces the possibility that the ground subsides.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a bridge platform back foam light soil roadbed structure comprises: the foundation pit to and the asphalt oil of setting on foundation pit surface, the interlude has the reinforcement stake that is linear arrangement in the foundation pit, the surface of foundation pit is provided with the concrete, the surface of concrete is provided with the asphalt oil, the surface of asphalt oil is provided with the cobble bed course, the surface of cobble bed course is provided with the foam light soil, the surface of foam light soil is provided with the pitch surface course, and is adjacent be provided with the coupling assembling that is used for improving reinforcement stake joint strength between the reinforcement stake.
By adopting the technical scheme, the foundation pit can be reinforced by arranging the reinforcing piles, so that the stress bearing capacity of the foundation pit is increased, the foundation pit can bear larger stress, and the possibility of settlement of the foundation pit is reduced; in addition, the connecting assembly is arranged, so that the connecting strength between the adjacent reinforcing piles can be increased, and the possibility of settlement of foundation pits is further reduced.
The present invention may be further configured in a preferred embodiment as: the connecting assembly includes: the reinforcing pile comprises steel plates arranged between the reinforcing piles, positioning holes formed in the reinforcing piles, through holes formed in the steel plates and corresponding to the positioning holes, and reinforcing ribs inserted in the positioning holes and the through holes.
Through adopting above-mentioned technical scheme, alternate the reinforced pile in strengthening rib and steel sheet to can link together adjacent reinforced pile, thereby can increase the joint strength between the adjacent reinforced pile, the effectual possibility that has reduced the foundation ditch and take place to subside.
The present invention may be further configured in a preferred embodiment as: the foam light soil comprises upper layer foam light soil and lower layer foam light soil, and geotextiles used for enhancing the deformation resistance and tensile strength of the surface of the foam light soil are arranged on the surface of the upper layer foam light soil.
By adopting the technical scheme, the geotextile is arranged, so that the deformation resistance and tensile strength of the surface of the foam light soil can be enhanced, and the load capacity of the foam light soil ground is improved.
The present invention may be further configured in a preferred embodiment as: and a steel bar net piece used for reinforcing the connection between the pebble cushion layer and the foam light soil is arranged between the pebble cushion layer and the foam light soil.
Through adopting above-mentioned technical scheme, set up the reinforcing bar net piece, can strengthen being connected between cobble bed course and the foam light soil to the bearing capacity on foam light soil ground has been improved.
The present invention may be further configured in a preferred embodiment as: and a mattress layer used for reducing uneven stress of the foundation pit is arranged between the foundation pit and the concrete.
Through adopting above-mentioned technical scheme, set up the mattress layer, can subdue the inhomogeneous influence of foundation ditch atress to the possibility of subsidence appears in the foundation ditch has been reduced.
The present invention may be further configured in a preferred embodiment as: the welding of one side of steel sheet near the foundation ditch has the reinforcing bar, the one end that the steel sheet was kept away from to the reinforcing bar is inlayed in the reinforcement stake.
Through adopting above-mentioned technical scheme, set up the reinforcing bar, can increase the connection between the adjacent reinforced column, improved the joint strength between the adjacent reinforced column.
The present invention may be further configured in a preferred embodiment as: and deformation joints which are linearly arranged are arranged on the foamed light soil.
By adopting the technical scheme, the deformation joints are arranged, so that certain gaps exist in the foam lightweight soil at intervals, and the foam lightweight soil subgrade is allowed to slightly shrink and expand and to settle unevenly.
The present invention may be further configured in a preferred embodiment as: the width of the deformation joint is 2 cm.
By adopting the technical scheme, the width of the seam is set to be 2cm, so that the deformation seam can reach the optimal working state.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the foundation pit can be reinforced by arranging the reinforcing piles, so that the stress bearing capacity of the foundation pit is increased, and the possibility of settlement of the foundation pit is reduced;
2. the arranged connecting assembly can increase the connecting strength between the adjacent reinforcing piles, and effectively reduce the possibility of settlement of foundation pits;
3. the geotextile is arranged, so that the deformation resistance and tensile strength of the surface of the foam light soil can be enhanced, and the load capacity of the foam light soil ground is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the embodiment of the present invention;
fig. 2 is a schematic structural view of the reinforcing mesh sheet in the embodiment.
Reference numerals: 1. foundation pit; 11. a mattress layer; 2. bitumen oil; 3. a pebble cushion layer; 31. reinforcing mesh sheets; 4. foamed light soil; 41. the upper layer is foamed light soil; 411. deformation joints; 42. the lower layer is foamed light soil; 43. geotextile; 5. an asphalt surface layer; 6. reinforcing piles; 61. a steel plate; 611. reinforcing steel bars; 64. reinforcing ribs; 7. and (3) concrete.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a bridge platform back foam light dirt road bed structure, include: foundation pit 1 has alternate a plurality of reinforcement stake 6 in foundation pit 1, and reinforcement stake 6 is the horizontal linear arrangement. The reinforcing pile 6 can reinforce the foundation pit 1, so that the stress bearing capacity of the foundation pit 1 is increased, and the possibility of settlement of the foundation pit 1 is reduced.
The surface of the foundation pit 1 is provided with a mattress layer 11, and the mattress layer 11 can reduce the influence of uneven stress on the foundation pit 1; concrete 7 is poured on the surface of the mattress layer 11, and through the concrete 7, the concrete 7 can fill and level up the gap between the adjacent reinforcing piles 6, and can facilitate subsequent construction, thereby effectively protecting the mattress layer 11.
Meanwhile, asphalt oil 2 is arranged on the surface of the foundation pit 1, a pebble cushion 3 is arranged on the surface of the asphalt oil 2, and the stress borne by the foundation pit 1 can be further increased through the pebble cushion 3. Further, the reinforcing mesh 31 is provided on the surface of the pebble bed 3, the reinforcing mesh 31 is made of steel and has a mesh shape as shown in fig. 2, and the foamed lightweight soil 4 is provided on the surface of the reinforcing mesh 31, so that the connection between the pebble bed 3 and the foamed lightweight soil 4 can be reinforced by the reinforcing mesh 31 provided between the pebble bed 3 and the foamed lightweight soil 4.
The foam light soil 4 consists of upper layer foam light soil 41 and lower layer foam light soil 42, the geotextile 43 is arranged on the surface of the lower layer foam light soil 42, and the deformation resistance and tensile strength of the surface of the foam light soil 4 can be enhanced through the geotextile 43, so that the load capacity of the ground of the foam light soil 4 is improved. Deformation joints 411 are arranged on the foamed light soil 4 in a horizontal linear mode, the deformation joints 411 are arranged every 10m, gaps of the deformation joints 411 are 2cm, and the foamed light soil 4 has certain gaps at intervals through the deformation joints 411, so that the roadbed of the foamed light soil 4 is allowed to slightly contract and expand and to settle unevenly.
The asphalt surface layer 5 is arranged on the surface of the upper layer foam light soil 41, and the adhesion between the asphalt surface layer 5 and the foam light soil 4 can be improved through the asphalt oil 2 arranged on the surface of the foundation pit 1.
In addition, a connection assembly is provided between adjacent reinforcing piles 6, and the connection assembly can improve the connection strength between the reinforcing piles 6.
In this embodiment, the coupling assembling includes: the steel plate 61 installed between the adjacent reinforcing piles 6 and the steel plate 61 horizontally installed can be inserted into the reinforcing piles 6, the reinforcing piles 6 are provided with positioning holes, the steel plate 61 is provided with through holes corresponding to the positioning holes, reinforcing ribs 64 are inserted into the through holes and the positioning holes, and the reinforcing ribs 64 are made of steel materials. Through alternate strengthening rib 64 in locating hole and through-hole to can link together adjacent reinforcement pile 6, and then can improve the joint strength between reinforcement pile 6, further improvement the ability that foundation ditch 1 bore stress, reduced foundation ditch 1 and appear the possibility of subsiding.
In addition, the steel bars 611 are installed on one side, close to the foundation pit 1, of the steel plate 61, the number of the steel bars 611 is two, and one ends, far away from the reinforcing piles 6, of the steel bars 611 are inserted into the adjacent reinforcing piles 6, so that the connection strength between the adjacent reinforcing piles 6 can be improved, the stress bearing capacity of the foundation pit 1 is improved, and the possibility of settlement of the foundation pit 1 is reduced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A bridge platform back foam light soil roadbed structure comprises: foundation ditch (1) to and pitch oil (2) of setting on foundation ditch (1) surface, its characterized in that: the utility model discloses a concrete foundation ditch, including foundation ditch (1), gravel and gravel layer (3), the surface of foundation ditch (1) is provided with concrete (7), the surface of concrete (7) is provided with asphalt oil (2), the surface of asphalt oil (2) is provided with cobble bed course (3), the surface of cobble bed course (3) is provided with foam lightweight soil (4), the surface of foam lightweight soil (4) is provided with pitch surface course (5), and is adjacent be provided with the coupling assembling that is used for improving reinforcing pile (6) joint strength between reinforcing pile (6).
2. The bridge abutment foam light soil roadbed structure of claim 1, wherein: the connecting assembly includes: the reinforcing pile structure comprises steel plates (61) arranged among the reinforcing piles (6), positioning holes formed in the reinforcing piles (6), through holes formed in the steel plates (61) and corresponding to the positioning holes, and reinforcing ribs (64) inserted in the positioning holes and the through holes.
3. The bridge abutment foam light soil roadbed structure of claim 1, wherein: the foamed light soil (4) is divided into upper foamed light soil (41) and lower foamed light soil (42), and geotextiles (43) used for enhancing the deformation resistance and tensile strength of the surface of the foamed light soil (4) are arranged on the surface of the upper foamed light soil (41).
4. The bridge abutment foam light soil roadbed structure of claim 1, wherein: and a steel bar net piece (31) used for reinforcing the connection between the pebble cushion layer (3) and the lower layer foam light soil (42) is arranged between the pebble cushion layer (3) and the lower layer foam light soil (42).
5. The bridge abutment foam light soil roadbed structure of claim 1, wherein: and a mattress layer (11) for reducing uneven stress of the foundation pit (1) is arranged between the foundation pit (1) and the concrete (7).
6. The bridge abutment foam light soil roadbed structure of claim 2, wherein: one side of the steel plate (61) close to the foundation pit (1) is welded with a steel bar (611), and one end, far away from the steel plate (61), of the steel bar (611) is embedded in the reinforcing pile (6).
7. The bridge abutment foam light soil roadbed structure of claim 1, wherein: deformation joints (411) which are linearly arranged are arranged on the foamed light soil (4).
8. The bridge abutment foam light soil roadbed structure of claim 7, wherein: the width of the deformation joint (411) is 2 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922394477.3U CN211645809U (en) | 2019-12-25 | 2019-12-25 | Bridge platform back foam light soil roadbed structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922394477.3U CN211645809U (en) | 2019-12-25 | 2019-12-25 | Bridge platform back foam light soil roadbed structure |
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| CN211645809U true CN211645809U (en) | 2020-10-09 |
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| CN201922394477.3U Active CN211645809U (en) | 2019-12-25 | 2019-12-25 | Bridge platform back foam light soil roadbed structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026711A (en) * | 2021-03-10 | 2021-06-25 | 武汉广益交通科技股份有限公司 | Fiber reinforced foam solidified soil hard shell layer foundation structure and construction method |
-
2019
- 2019-12-25 CN CN201922394477.3U patent/CN211645809U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026711A (en) * | 2021-03-10 | 2021-06-25 | 武汉广益交通科技股份有限公司 | Fiber reinforced foam solidified soil hard shell layer foundation structure and construction method |
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