CN213538565U - Road bridge linkage segment becomes rigidity road bed - Google Patents
Road bridge linkage segment becomes rigidity road bed Download PDFInfo
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- CN213538565U CN213538565U CN202021810955.0U CN202021810955U CN213538565U CN 213538565 U CN213538565 U CN 213538565U CN 202021810955 U CN202021810955 U CN 202021810955U CN 213538565 U CN213538565 U CN 213538565U
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- foundation pile
- lime
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Abstract
The utility model discloses a road bridge linkage segment becomes rigidity road bed belongs to road bridge engineering technical field, including soil basic unit, one side at soil basic unit top is provided with the pavement layer, and one side that the pavement layer was kept away from to soil basic unit is provided with the bridge abutment, soil basic unit's inside evenly is provided with the foundation pile, and the top of foundation pile is fixed with lime rubble soil layer, lime rubble soil layer is located between the top of bridge abutment and the pavement layer, lime rubble soil layer's top is provided with cement stabilization rubble layer. The utility model discloses a setting of the foundation pile that cement stake, steel pipe, taper block and connecting rod are constituteed forms the toper through the foundation pile in the closed bottom of initial condition taper block, makes things convenient for inserting of foundation pile, and under the user state, utilizes the expansion of taper block, can stretch into the inside of soil, increases the stability of being connected between foundation pile and the soil substrate, and effectual reduction road bridge is subsided poorly.
Description
Technical Field
The utility model relates to a road bed especially relates to a road bridge linkage segment becomes rigidity road bed, belongs to road bridge engineering technical field.
Background
The transition section is a section which needs special treatment when the roadbed is connected with a structure and the like; the method is characterized in that the method is a key for controlling the uneven settlement of the roadbed, generally, the connection compactness of a transition section and a bridge and the like is high, measures are taken from the foundation condition of the transition section, a soft foundation treatment method, filler selection, compaction standard and quality detection to reduce the plastic deformation difference between the transition section and the bridge and realize stable transition, and the vertical rigidity of a track is suddenly changed due to the different rigidity of two structures, so that the transition section with a certain length must be arranged between the roadbed and the bridge to gradually change the rigidity of the track and reduce the settlement difference between roads and bridges to the maximum extent;
but current road bridge linkage segment becomes rigidity road bed adopts the cement stake to pile fixedly at the in-process of laying, because the cement stake is vertical downwards, at the in-process that the soil matrix subsides, the linkage segment becomes rigidity road bed and soil matrix between the stability poor, the settlement poor of unable effectual reduction bridge road, the practicality is lower, consequently, the utility model provides a road bridge linkage segment becomes the problem that rigidity road bed exists in order to solve prior art.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a road bridge linkage segment becomes rigidity road bed to solve the poor problem of settlement control effect between the road bridge among the prior art.
The purpose of the utility model can be achieved by adopting the following technical scheme:
the utility model provides a road bridge linkage segment becomes rigidity road bed, includes soil-base course, one side at soil-base course top is provided with the pavement layer, and one side that the pavement layer was kept away from to soil-base course is provided with the bridge seat, soil-base course's inside evenly is provided with the foundation pile, and the top of foundation pile is fixed with lime rubble soil layer, lime rubble soil layer is located between the top of bridge seat and the pavement layer, lime rubble soil layer's top is provided with cement stabilization gravel layer, and cement stabilization gravel layer's top is provided with concrete layer, concrete layer's top is provided with asphalt pavement layer.
Preferably: the foundation pile includes cement pile, steel pipe and awl piece, the top and the lime rubble soil layer fixed connection of cement pile, the inside slip of cement pile is provided with the steel pipe, the even articulated awl piece that has in bottom of cement pile, the even articulated connecting rod that has in bottom of steel pipe, and the bottom of connecting rod all articulates with the inboard of awl piece.
Preferably: the conical blocks are provided with four groups, and adjacent conical blocks are mutually attached.
Preferably: the manufacturing material of the taper block is stainless steel, and the outer side of the steel pipe is provided with an antirust coating.
Preferably: the lime gravel soil layers are provided with three groups, and the distances between the adjacent lime gravel soil layers are the same.
Preferably: one side of the pavement layer close to the bridge seat is an inclined plane, and the inclined plane is attached to the lime gravel layer, the cement stabilized gravel layer, the concrete layer and the asphalt pavement layer.
The utility model has the advantages that:
the utility model provides a pair of road bridge linkage segment becomes rigidity road bed, through the cement pile, the steel pipe, the setting of the foundation pile that awl piece and connecting rod are constituteed, through the foundation pile the closed bottom of awl piece forms the toper under initial condition, make things convenient for inserting of foundation pile, and under the user state, utilize the expansion of awl piece, can stretch into the inside of soil, increase the stability of being connected between foundation pile and the soil bed, effectual reduction road bridge settlement difference between the room, lime rubble soil layer and cement stabilize the setting of rubble layer, can improve the rigidity that improves the road bed effectively, and utilize the road bed towards the setting of road surface layer slope, can progressively increase the rigidity of road surface layer, the practicality is higher.
Drawings
Fig. 1 is a front sectional view of the present invention;
FIG. 2 is a view showing the development structure of the foundation pile of the present invention;
fig. 3 is a structural view of the foundation pile in the initial state of the present invention.
In the figure: 1. a soil base layer; 2. a pavement layer; 3. a bridge seat; 4. foundation piles; 5. lime gravel soil layer; 6. a cement stabilized rubble layer; 7. a concrete layer; 8. an asphalt pavement layer; 9. cement piles; 10. a steel pipe; 11. a conical block; 12. a connecting rod.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-3, this embodiment provides a road bridge linkage section becomes rigidity road bed, including soil base 1, one side at soil base 1 top is provided with pavement layer 2, and one side that soil base 1 kept away from pavement layer 2 is provided with bridge seat 3, soil base 1's inside evenly is provided with foundation pile 4, and foundation pile 4's top is fixed with lime rubble layer 5, lime rubble layer 5 is located between bridge seat 3's top and pavement layer 2, lime rubble layer 5's top is provided with cement stabilized gravel layer 6, and cement stabilized gravel layer 6's top is provided with concrete layer 7, concrete layer 7's top is provided with bituminous pavement layer 8.
In this embodiment, as shown in fig. 2, foundation pile 4 includes cement pile 9, steel pipe 10 and taper block 11, the top and lime macadam soil layer 5 fixed connection of cement pile 9, the inside of cement pile 9 slides and is provided with steel pipe 10, the bottom of cement pile 9 evenly articulates there is taper block 11, the bottom of steel pipe 10 evenly articulates there is connecting rod 12, and the bottom of connecting rod 12 all articulates with the inboard of taper block 11, in the use, bury foundation pile 4 in the inside of soil base course 1 earlier, then push down steel pipe 10, cooperation connecting rod 12 struts taper block 11 and inserts the inside of soil base course 1, increase the stability of foundation pile 4 installation.
In this embodiment, as shown in fig. 3, four sets of conical blocks 11 are provided, and the adjacent conical blocks 11 are attached to each other, and the conical blocks 11 are attached to each other, so that the bottom of the foundation pile 4 is tapered during insertion, thereby facilitating insertion.
In this embodiment, as shown in fig. 2, the conical block 11 is made of stainless steel, and the outer side of the steel pipe 10 is provided with an anti-corrosive coating, so that the anti-corrosive performance of the foundation pile 4 is improved, and the service life is ensured.
In this embodiment, as shown in fig. 1, three lime crushed stone soil layers 5 are provided, and the distances between adjacent lime crushed stone soil layers 5 are the same, so that the stability of the connection between the roadbed and the soil foundation layer 1 is improved.
In this embodiment, as shown in fig. 1, one side of the road surface layer 2 close to the bridge seat 3 is an inclined surface, and the inclined surface is attached to the lime gravel layer 5, the cement stabilized gravel layer 6, the concrete layer 7 and the asphalt road surface layer 8, so as to ensure that the rigidity of the roadbed is gradually increased.
As shown in fig. 1-3, the present embodiment provides a working process of a variable-stiffness roadbed at a road bridge connecting section, which is as follows:
step 1: arranging a mounting hole in the soil base layer 1, then inserting the foundation pile 4 into the mounting hole, pressing down the steel pipe 10 after the insertion is finished, and expanding and inserting the conical block 11 into the soil base layer 1 by matching with the connecting rod 12 to increase the mounting stability of the foundation pile 4;
step 2: and then paving a lime gravel soil layer 5 on the top of the foundation pile 4 for reinforcing the road surface, and paving a cement stabilized gravel layer 6, a concrete layer 7 and an asphalt pavement layer 8 on the top of the lime gravel soil layer 5 to finish the paving of the roadbed.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (6)
1. The utility model provides a road bridge linkage segment becomes rigidity road bed which characterized in that: including soil base (1), one side at soil base (1) top is provided with pavement layer (2), and one side that road surface layer (2) were kept away from in soil base (1) is provided with bridge seat (3), the inside of soil base (1) evenly is provided with foundation pile (4), and the top of foundation pile (4) is fixed with lime rubble soil layer (5), lime rubble soil layer (5) are located between top and pavement layer (2) of bridge seat (3), the top on lime rubble soil layer (5) is provided with cement stabilization rubble layer (6), and the top on cement stabilization rubble layer (6) is provided with concrete layer (7), the top on concrete layer (7) is provided with pitch pavement layer (8).
2. The road-bridge connecting section variable-rigidity roadbed according to claim 1, characterized in that: foundation pile (4) are including cement stake (9), steel pipe (10) and taper block (11), the top and lime gravel soil layer (5) fixed connection of cement stake (9), the inside slip of cement stake (9) is provided with steel pipe (10), the bottom of cement stake (9) is even to be articulated to have taper block (11), the bottom of steel pipe (10) is even to be articulated to have connecting rod (12), and the bottom of connecting rod (12) all with the inboard of taper block (11) articulated.
3. The road-bridge connecting section variable-rigidity roadbed according to claim 2, characterized in that: the conical blocks (11) are provided with four groups, and the adjacent conical blocks (11) are mutually attached.
4. The road-bridge connecting section variable-rigidity roadbed according to claim 2, characterized in that: the manufacturing material of the conical block (11) is stainless steel, and an anti-rust coating is arranged on the outer side of the steel pipe (10).
5. The road-bridge connecting section variable-rigidity roadbed according to claim 1, characterized in that: the lime gravel soil layers (5) are provided with three groups, and the distances between the adjacent lime gravel soil layers (5) are the same.
6. The road-bridge connecting section variable-rigidity roadbed according to claim 1, characterized in that: one side of the pavement layer (2) close to the bridge seat (3) is an inclined plane, and the inclined plane is attached to a lime gravel layer (5), a cement stabilized gravel layer (6), a concrete layer (7) and an asphalt pavement layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021810955.0U CN213538565U (en) | 2020-08-26 | 2020-08-26 | Road bridge linkage segment becomes rigidity road bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021810955.0U CN213538565U (en) | 2020-08-26 | 2020-08-26 | Road bridge linkage segment becomes rigidity road bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213538565U true CN213538565U (en) | 2021-06-25 |
Family
ID=76489595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021810955.0U Expired - Fee Related CN213538565U (en) | 2020-08-26 | 2020-08-26 | Road bridge linkage segment becomes rigidity road bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213538565U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565000A (en) * | 2021-09-07 | 2021-10-29 | 中铁十一局集团第五工程有限公司 | Trestle is consolidated to steel-pipe pile |
| CN114645523A (en) * | 2021-09-13 | 2022-06-21 | 广州桃园建筑工程有限公司 | Assembled barrier for traffic safety |
-
2020
- 2020-08-26 CN CN202021810955.0U patent/CN213538565U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565000A (en) * | 2021-09-07 | 2021-10-29 | 中铁十一局集团第五工程有限公司 | Trestle is consolidated to steel-pipe pile |
| CN114645523A (en) * | 2021-09-13 | 2022-06-21 | 广州桃园建筑工程有限公司 | Assembled barrier for traffic safety |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 |