CN214460593U - Barricade reinforced structure convenient to road surface is widened - Google Patents
Barricade reinforced structure convenient to road surface is widened Download PDFInfo
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- CN214460593U CN214460593U CN202023041906.8U CN202023041906U CN214460593U CN 214460593 U CN214460593 U CN 214460593U CN 202023041906 U CN202023041906 U CN 202023041906U CN 214460593 U CN214460593 U CN 214460593U
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Abstract
The utility model belongs to the technical field of the road construction technique and specifically relates to a barricade reinforced structure convenient to road surface widens, it is including locating old road bed and the new road bed on the ground, and new road bed includes filling layer, retaining wall and solidification base, and on the lateral wall of old road bed was located to the filling layer, on the lateral wall of filling layer was located to the retaining wall, solidification base fixed set up in the ground, and the bottom of retaining wall fixed set up in solidification base. The retaining wall blocks the filling layer to prevent the filling layer from collapsing; the bottom end of the retaining wall is fixed in the curing base, and the retaining wall is effectively prevented from sliding due to the restriction of the curing base on the retaining wall, so that the possibility that the new roadbed slides integrally and collapses is reduced, and the effect of improving the durability and stability of the widened road is achieved.
Description
Technical Field
The application relates to the technical field of road construction, especially, relate to a barricade reinforced structure convenient to road pavement widens.
Background
With the rapid development of urban economy and the rapid increase of traffic volume, the traffic pressure of roads is increased, and the bearing capacity and the traffic capacity of the roads cannot meet the increasing traffic transportation requirements. Therefore, there is a need to rebuild or expand existing roads to meet the ever expanding traffic demands.
At present, the utility model discloses a chinese utility model patent that publication number is CN211689708U discloses a concatenation roadbed structure is widened to new and old road bed, including old road bed and new road bed, new road bed is by last pitch surface course that includes in proper order under to, pitch rubble drainage basic unit, stabilize rubble layer and grading rubble drainage bed course, concatenation face between new road bed and old road bed is the inclined plane and is equipped with a plurality of steps, the step includes horizontal concatenation face and vertical concatenation face, set up horizontal strengthening rib and vertical strengthening rib on horizontal concatenation face and vertical concatenation face respectively, wherein the one end of horizontal strengthening rib extends to in the old road bed, the other end extends to in the new road bed, with this joint strength who increases between the new and old road bed. However, in the above solutions, the new road base is liable to slide and collapse along the inclined splicing surface after being rolled by the running vehicle for a long time, resulting in poor durability and stability of the widened road.
In view of the above-mentioned related art, the inventors have considered that there is a defect that the new road base is liable to slip and collapse as a whole, resulting in poor durability and stability of the widened road.
SUMMERY OF THE UTILITY MODEL
In order to reduce the possibility that the whole slippage and collapse of a new road base occur and improve the durability and stability of a widened road, the application provides a retaining wall reinforcing structure convenient for road pavement widening.
The application provides a barricade reinforced structure convenient to road pavement widens adopts following technical scheme:
the utility model provides a barricade reinforced structure convenient to road pavement widens, is including locating old road bed and the new road bed on the ground, new road bed includes filling layer, retaining wall and solidification base, the filling layer is located on the lateral wall of old road bed, the retaining wall is located on the lateral wall of filling layer, solidification base fixed set up in the ground, just the bottom of retaining wall fixed set up in the solidification base.
By adopting the technical scheme, the filling layer and the retaining wall are sequentially arranged on the outer side of the old roadbed, and the retaining wall effectively blocks the filling layer to prevent the filling layer from collapsing; the solidification base is fixedly arranged in the foundation, the bottom of the retaining wall is fixedly arranged in the solidification base, the solidification base has a good limiting effect on the retaining wall, the retaining wall is effectively prevented from sliding along the filling layer, the probability that the new foundation is integrally slid and collapsed is reduced, and therefore the durability and the stability of the widened road are improved.
Optionally, a grouting groove is formed in the curing base, and the bottom of the retaining wall is arranged in the grouting groove; and a plurality of grout permeating holes communicated with the grouting grooves are formed in the curing base, and expansion bodies located on the outer sides of the grout permeating holes are formed in the foundation.
Through adopting above-mentioned technical scheme, during the construction, earlier dig out the foundation ditch on the ground to place the solidification base wherein, then pour into the concrete thick liquids to the grout inslot, owing to seted up the seepage hole on the solidification base, there is the concrete thick liquids to get into the ground through the seepage hole this moment, with this fill the soil clearance around the solidification base, make to form closely knit extension body around the solidification base, thereby improved the stability of solidification base.
Optionally, the filling layer includes the soil body and the solidification body, the solidification body set up in the top of soil body, just the solidification body with old road bed reaches all be provided with the anchor pole between the retaining wall.
By adopting the technical scheme, soil is filled between the retaining wall and the old roadbed, so that the use amount of building materials such as concrete, stones and the like is effectively reduced, and the construction cost of widening the pavement is reduced; the solidified body is arranged on the top end of the soil body and is fixedly connected with the old roadbed and the retaining wall through the anchoring rods, so that the condition that the soil body sinks to cause the road surface is effectively prevented.
Optionally, the cross section of the solidified body is trapezoidal, and one side wall of the solidified body is supported on the top of the old roadbed, and the other side wall of the solidified body is supported on the top of the retaining wall.
By adopting the technical scheme, the cross section of the solidified body is trapezoidal and is lapped on the top of the old roadbed and the retaining wall, so that the solidified body can be stably supported on the top end of the soil body, and the possibility of sinking of the solidified body is effectively reduced.
Optionally, a supporting column is fixedly arranged in the filling layer, the bottom end of the supporting column is fixedly connected with the curing base, and the top end of the supporting column is fixedly connected with the bottom surface of the curing body.
Through adopting above-mentioned technical scheme, the support column is fixed to be set up on the solidification base to form the support to the solidification body, share the load of the solidification body to the solidification base on with this, further reduced the sunken possibility of solidification body, thereby improved the stability of filling layer.
Optionally, the solidification body with the retaining wall reaches the concatenation position of old road bed all is provided with the elastic layer, the elastic layer with the solidification body the retaining wall reaches old road bed supports tightly.
By adopting the technical scheme, the elastic layer is made of elastic materials, if the ground vibrates, the elastic layer is elastically deformed, the buffer action of the elastic layer effectively prevents the solidified body from colliding with the retaining wall and the old roadbed and has the effect of prolonging the service life of the reinforced structure; and the elastic layer is tightly propped against the retaining wall and the old roadbed so as to prevent water from entering the soil body from gaps among the curing body, the retaining wall and the old roadbed, so that a good waterproof effect is achieved, and the stability of the new roadbed is further improved.
Optionally, an asphalt layer is laid on the old roadbed and the new roadbed together.
By adopting the technical scheme, the asphalt layer is paved on the old roadbed and the new roadbed together, so that the widened pavement is a whole, and the smoothness of the pavement is effectively improved.
Optionally, a waterproof layer is arranged on the lower side of the asphalt layer, and the waterproof layer comprises a geomembrane and geotextiles coated on two sides of the geomembrane.
By adopting the technical scheme, the geomembrane has good waterproofness, prevents the pavement water penetrating through the asphalt layer from continuously seeping into a new roadbed, reduces the possibility that soil body slips off the side wall of the old roadbed, and improves the stability of the new roadbed; the geotextile can well protect the geomembrane and prevent the geomembrane from being damaged in the construction process.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the retaining wall blocks the filling layer to prevent the filling layer from collapsing, the bottom end of the retaining wall is fixed in the curing base, and the retaining wall is limited by the curing base, so that the retaining wall is effectively prevented from slipping, the possibility of overall slipping and collapsing of a new road base is reduced, and the durability and stability of a widened road are improved;
2. the bottom end of the retaining wall is positioned in the grouting groove, when concrete slurry is poured into the grouting groove, the concrete slurry enters the foundation through the seepage holes and is filled in the foundation soil around the curing base, after the concrete slurry is cured, the bottom end of the retaining wall can be fixed in the curing base, and a compact expansion body is formed around the curing base, so that the stability of the curing base is effectively improved;
3. the support column supports the solidified body, so that the possibility of sinking of the solidified body is reduced, and the stability of the filling layer is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application.
Description of reference numerals: 1. old roadbed; 11. an asphalt layer; 12. a waterproof layer; 121. a geomembrane; 122. geotextile; 2. a new roadbed; 21. a filling layer; 211. a soil body; 212. curing the body; 213. an anchoring rod; 214. an elastic layer; 215. a support pillar; 22. a retaining wall; 23. curing the base; 231. grouting grooves; 232. grouting holes; 3. a foundation; 31. and (5) an extension body.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses barricade reinforced structure convenient to road surface widens. Referring to fig. 1, the retaining wall reinforcing structure for widening a road surface includes an old roadbed 1 and a new roadbed 2 arranged on a foundation 3, wherein the side wall of the old roadbed 1 is in a slope shape, and the new roadbed 2 is arranged along the slope of the old roadbed 1. The new roadbed 2 comprises a filling layer 21, a retaining wall 22 and a curing base 23, wherein the filling layer 21 is arranged on the slope surface of the old roadbed 1, and the retaining wall 22 is built on one side of the filling layer 21 far away from the old roadbed 1.
Referring to fig. 1, the filling layer 21 includes a soil body 211 and a solidified body 212. The cross section of the soil body 211 is a parallelogram and is piled on the top surface of the curing base 23 and the slope surface of the old roadbed 1. The cross section of the solidified body 212 is trapezoidal, and the solidified body is fixedly arranged at the upper end of the soil body 211. The side walls of the old roadbed 1 and the retaining wall 22 close to the top end of the solidified body 212 are inclined planes, and one end close to the solidified body 212 is a lower end. The sidewall of the solidified body 212 is supported on the slope of the old roadbed 1 at one side and on the slope of the retaining wall 22 at the other side. And anchor rods 213 are arranged between the solidified body 212 and the old roadbed 1 and the retaining wall 22, so that the solidified body 212 is fixedly connected with the old roadbed 1 and the retaining wall 22.
Referring to fig. 1, the elastic layer 214 is filled between the sidewall of the solidified body 212 and the retaining wall 22 and the slope of the old roadbed 1, the cross section of the elastic layer 214 is parallelogram-shaped, and the sidewall of the elastic layer 214 abuts against the sidewall of the solidified body 212, the slope of the retaining wall 22 and the slope of the old roadbed 1. The elastic layer 214 is made of rubber, and if ground vibration occurs, the elastic layer 214 elastically deforms to prevent the solidified body 212 from colliding with the retaining wall 22 and the old roadbed 1 and being damaged; and the elastic layer 214 has a good waterproof effect, so that water is prevented from entering the soil body 211 from the gaps among the solidified body 212, the retaining wall 22 and the old roadbed 1, and the stability of the new roadbed 2 is improved.
Referring to fig. 1, a support column 215 is fixedly disposed in the packing layer 21, and the support column 215 has a cylindrical shape and is made of reinforced concrete. The supporting column 215 is vertically arranged, the bottom end of the supporting column is fixedly connected with the curing base 23, and the top end of the supporting column is fixedly connected with the bottom surface of the curing body 212, so that the curing body 212 is supported, the sinking possibility of the curing body 212 is reduced, and the stability of the filling layer 21 is improved.
Referring to fig. 1, the retaining wall 22 has a parallelogram shape in cross section, which is a wall body formed by stacking blocks or bricks and constructing in combination with concrete. The retaining wall 22 forms a barrier to the filling layer 21, effectively preventing the filling layer 21 from collapsing. The curing base 23 is cube-shaped and made of concrete, and the curing base 23 is fixedly arranged in the foundation 3. And a grouting groove 231 is formed in the top surface of one side, away from the old roadbed 1, of the curing base 23, and the opening of the grouting groove 231 is rectangular. The bottom end of the retaining wall 22 is located in the grouting groove 231, concrete slurry is poured into the grouting groove 231, and after the concrete slurry is cured, the bottom end of the retaining wall 22 can be fixed in the curing base 23. The limit of the curing base 23 to the retaining wall 22 effectively prevents the retaining wall 22 from slipping, thereby reducing the possibility of the new roadbed 2 from overall slipping and collapsing and improving the durability and stability of the widened road.
Referring to fig. 1, a plurality of grout permeation holes 232 are formed in the curing base 23, openings of the grout permeation holes 232 are circular, and the grout permeation holes 232 are communicated with the grouting groove 231. When concrete slurry is poured into the grouting groove 231, the concrete slurry enters the foundation 3 through the grout penetration hole 232 and is filled in the soil of the foundation 3 around the curing base 23 to form the compact extension body 31, and the stability of the curing base 23 is effectively improved.
Referring to fig. 1, an asphalt layer 11 is laid on the old roadbed 1 and the new roadbed 2 together, and the cross section of the asphalt layer 11 is rectangular, so that the widened road surface becomes a flat whole. The waterproof layer 12 is arranged on the lower side of the asphalt layer 11, and the waterproof layer 12 comprises a geomembrane 121 and a geotextile 122. The geomembrane 121 has good waterproofness, so that road surface water penetrating through the asphalt layer 11 is prevented from continuously seeping into the new roadbed 2, and the stability of the new roadbed 2 is further improved. The geotextile 122 covers both sides of the geomembrane 121, so that the geomembrane 121 is well protected, and the geomembrane 121 is prevented from being damaged in the construction process.
The implementation principle of retaining wall reinforced structure convenient to road surface widens of this application embodiment is: the retaining wall 22 forms a barrier to the filling layer 21, preventing the filling layer 21 from collapsing; the bottom end of the retaining wall 22 is fixed in the curing base 23, and the retaining wall 22 is effectively prevented from sliding by the curing base 23 due to the limitation of the retaining wall 22, so that the possibility of integral sliding and collapse of the new roadbed 2 is reduced, and the durability and stability of the widened road are improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a barricade reinforced structure convenient to road surface widens, is including locating old road bed (1) and new road bed (2) on ground (3), its characterized in that: new road bed (2) are including filling layer (21), retaining wall (22) and solidification base (23), filling layer (21) are located on the lateral wall of old road bed (1), retaining wall (22) are located on the lateral wall of filling layer (21), solidification base (23) fixed set up in ground (3), just the bottom of retaining wall (22) is fixed set up in solidification base (23).
2. The retaining wall reinforcing structure convenient to road surface widens according to claim 1, characterized in that: a grouting groove (231) is formed in the curing base (23), and the bottom of the retaining wall (22) is arranged in the grouting groove (231); a plurality of grout permeating holes (232) communicated with the grouting groove (231) are formed in the curing base (23), and an expansion body (31) located on the outer side of each grout permeating hole (232) is formed in the foundation (3).
3. The retaining wall reinforcing structure convenient to road surface widens according to claim 1, characterized in that: the filling layer (21) comprises a soil body (211) and a solidified body (212), the solidified body (212) is arranged at the top end of the soil body (211), and anchor rods (213) are arranged between the solidified body (212) and the old roadbed (1) and between the retaining walls (22).
4. The retaining wall reinforcing structure convenient to road surface widens according to claim 3, characterized in that: the cross section of the solidified body (212) is trapezoidal, one side wall of the solidified body (212) is supported on the top of the old roadbed (1), and the other side wall of the solidified body is supported on the top of the retaining wall (22).
5. The retaining wall reinforcing structure convenient to road surface widens according to claim 3, characterized in that: a supporting column (215) is fixedly arranged in the filling layer (21), the bottom end of the supporting column (215) is fixedly connected with the curing base (23), and the top end of the supporting column (215) is fixedly connected with the bottom surface of the curing body (212).
6. The retaining wall reinforcing structure convenient to road surface widens according to claim 3, characterized in that: the splicing positions of the solidified body (212), the retaining wall (22) and the old roadbed (1) are provided with elastic layers (214), and the elastic layers (214) are tightly abutted against the solidified body (212), the retaining wall (22) and the old roadbed (1).
7. The retaining wall reinforcing structure convenient to road surface widens according to claim 1, characterized in that: and an asphalt layer (11) is paved on the old roadbed (1) and the new roadbed (2) together.
8. The retaining wall reinforcing structure convenient to road surface widens according to claim 7, characterized in that: the waterproof layer (12) is arranged on the lower side of the asphalt layer (11), and the waterproof layer (12) comprises a geomembrane (121) and geotextiles (122) coated on two sides of the geomembrane (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023041906.8U CN214460593U (en) | 2020-12-16 | 2020-12-16 | Barricade reinforced structure convenient to road surface is widened |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023041906.8U CN214460593U (en) | 2020-12-16 | 2020-12-16 | Barricade reinforced structure convenient to road surface is widened |
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| CN214460593U true CN214460593U (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290086A (en) * | 2023-05-08 | 2023-06-23 | 成都理工大学 | Multistage sliding surface retaining wall reinforcing structure and design method thereof |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116290086A (en) * | 2023-05-08 | 2023-06-23 | 成都理工大学 | Multistage sliding surface retaining wall reinforcing structure and design method thereof |
| CN116290086B (en) * | 2023-05-08 | 2023-10-20 | 成都理工大学 | Multistage sliding surface retaining wall reinforcing structure and design method thereof |
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