CN210368484U - Abrupt slope embankment fender protective structure - Google Patents
Abrupt slope embankment fender protective structure Download PDFInfo
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- CN210368484U CN210368484U CN201921115555.5U CN201921115555U CN210368484U CN 210368484 U CN210368484 U CN 210368484U CN 201921115555 U CN201921115555 U CN 201921115555U CN 210368484 U CN210368484 U CN 210368484U
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Abstract
The utility model relates to the technical field of geotechnical engineering structures, in particular to a steep embankment retaining and protecting structure, which comprises a transition section pile plate wall arranged between a shoulder pile plate wall and an embankment pile plate wall; the transition section pile plate wall comprises transition section slide-resistant piles and transition section soil-retaining plates; the transition section slide-resistant piles are arranged at intervals along the direction from the shoulder slide-resistant pile at the connecting end of the shoulder pile plate wall to the embankment slide-resistant pile at the connecting end of the embankment pile plate wall; transition section soil retaining plates are arranged between the shoulder slide-resistant piles at the connecting ends of the shoulder pile plate walls and the embankment slide-resistant piles at the connecting ends of the embankment pile plate walls and between the cantilever parts of adjacent slide-resistant piles. Through set up changeover portion friction pile and changeover portion fender soil plate between curb pile siding wall and embankment pile siding wall, formed changeover portion pile siding wall, make curb pile siding wall and embankment pile siding wall connect as an organic whole, improved the overall stability of abrupt slope embankment fill, solved the unable problem of jointly using in succession of curb pile siding wall and embankment pile siding wall.
Description
Technical Field
The utility model relates to a geotechnical engineering technical field, in particular to abrupt slope embankment fender protective structure.
Background
The areas in the middle and western parts of China mostly belong to the landforms of mountains and hills, and a large amount of slope filling roadbed projects are encountered in highway construction. The steep slope embankment is a road filling subgrade with an original ground slope steeper than 1:2.5, and the steep slope embankment is generally large in filling height and easy to slide along the ground of the slope, so that the lateral deformation instability of the steep slope embankment is limited by a shoulder pile plate wall and an embankment pile plate wall in common use, and the long-term stability of the steep slope embankment is ensured. Because the traditional highway pile plate wall is difficult to treat for the shoulder and embankment transition section abrupt slope fill retaining protection, the shoulder pile plate wall and the embankment pile plate wall are usually arranged in a subsection mode or are combined with a conical slope for use. The occupied area of the conical slope is large, the stability of the conical slope on a steep slope section is poor, large land resource waste and safety risks exist, and the method has large limitation in the construction and application of roads in complex mountainous areas.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a steep embankment fender protective structure is provided, solve current curb pile siding wall and the unable continuous use that unites of embankment pile siding wall, curb and embankment changeover portion fill are difficult to the problem of fender protection.
The utility model provides a technical scheme that its technical problem adopted is: the steep embankment retaining and protecting structure comprises an embankment pile plate wall and an embankment pile plate wall; the transition section pile plate wall is arranged between the road shoulder pile plate wall and the embankment pile plate wall; the transition section pile plate wall comprises transition section slide-resistant piles and transition section soil-retaining plates; the transition section slide-resistant piles are arranged at intervals along the direction from the shoulder slide-resistant pile at the connecting end of the shoulder pile plate wall to the embankment slide-resistant pile at the connecting end of the embankment pile plate wall; each anti-slide pile comprises a fixed part positioned underground and a cantilever part positioned on the ground; transition section retaining plates are arranged between the shoulder slide-resistant piles at the connecting ends of the shoulder pile plate walls and the embankment slide-resistant piles at the connecting ends of the embankment pile plate walls and between the cantilever parts of adjacent slide-resistant piles; at least one layer of reinforcing mesh is arranged inside the transition section soil retaining plate; the reinforcing mesh comprises a plurality of vertical reinforcing steel bars and a plurality of transverse reinforcing steel bars, and the vertical reinforcing steel bars are connected with the transverse reinforcing steel bars; and two ends of the transverse reinforcing steel bars extend into the interiors of the two adjacent anti-slide piles respectively.
Furthermore, two reinforcing mesh are arranged inside the transition section soil retaining plate at intervals along the thickness direction of the transition section soil retaining plate; the two layers of reinforcing meshes are connected through a plurality of lap-jointed reinforcing steel bars.
Furthermore, the length of the transverse steel bars extending into each slide-resistant pile is L, wherein L is more than or equal to 500 mm.
Furthermore, the vertical steel bars, the transverse steel bars and the lap steel bars are HRB400 thread steel bars.
Further, the shape of the transition section slide-resistant pile is cuboid; each transition section slide-resistant pile comprises a front side surface, a left side surface, a rear side surface and a right side surface which are connected in sequence; the left side surface and the right side surface of the transition section slide-resistant pile are connected with the transition section soil retaining plate; the front sides of all the transition section slide-resistant piles are parallel to each other.
Further, the included angle between the projection of the right side surface of the transition section slide-resistant pile on the horizontal plane and the projection of the transition section soil-blocking plate on the horizontal plane is α, wherein 0 degrees < α degrees <90 degrees.
Further, the angle is not less than 40 degrees and not more than α degrees and not more than 60 degrees.
Furthermore, a plurality of water drainage holes are formed in the transition section retaining plate.
The utility model has the advantages that:
1. the utility model discloses a abrupt slope embankment fender protective structure, through set up changeover portion friction pile and changeover portion fender soil plate between curb pile siding wall and embankment pile siding wall, the changeover portion pile siding wall has been formed, make curb pile siding wall and embankment pile siding wall connect as an organic wholely, the overall stability who abrupt slope embankment filled, the problem of the unable continuous use of uniting of curb pile siding wall and embankment pile siding wall has been solved, the suitability of complicated topography highway section abrupt slope embankment has been expanded.
2. The reinforcing mesh is arranged in the retaining plate of the transition section, so that the structural strength of the retaining plate of the transition section is improved; and through stretching into the inside of two friction piles respectively with the both ends of horizontal reinforcing bar in the transition section fender apron, and then make two adjacent friction piles be connected as an organic wholely with the fender apron, improved the joint strength of hookup location between fender apron and the friction pile to reach the purpose that improves the intensity that whole abrupt slope embankment fender protected, and then improved abrupt slope embankment fender protective structure's protecting effect.
Drawings
Fig. 1 is a schematic structural view of a steep embankment retaining and protecting structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is a view B-B in fig. 3.
The reference numbers in the figures are: 1-shoulder pile sheet wall, 2-embankment pile sheet wall, 3-transition section pile sheet wall, 11-shoulder slide-resistant pile, 12-shoulder soil retaining plate, 21-embankment slide-resistant pile, 22-embankment soil retaining plate, 31-transition section slide-resistant pile, 32-transition section soil retaining plate, 33-reinforcing mesh, 34-drainage hole, 311-front side surface, 312-left side surface, 313-rear side surface, 314-right side surface, 331-vertical reinforcing steel bar, 332-transverse reinforcing steel bar and 333-lap reinforcing steel bar.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model discloses a steep embankment retaining protective structure, which comprises an embankment pile plate wall 1 and an embankment pile plate wall 2; the transition section pile plate wall 3 is arranged between the road shoulder pile plate wall 1 and the embankment pile plate wall 2; the transition section pile-plate wall 3 comprises transition section slide-resistant piles 31 and transition section soil-retaining plates 32; the transition section anti-slide piles 31 are arranged at intervals along the direction from the shoulder anti-slide pile 11 at the connecting end of the shoulder pile plate wall 1 to the embankment anti-slide pile 21 at the connecting end of the embankment pile plate wall 2; each anti-slide pile comprises a fixed part positioned underground and a cantilever part positioned on the ground; transition section soil retaining plates 32 are arranged between the shoulder slide-resistant piles 11 at the connecting ends of the shoulder pile plate walls 1 and the embankment slide-resistant piles 21 at the connecting ends of the embankment pile plate walls 2 and between the cantilever parts of the adjacent slide-resistant piles; at least one layer of reinforcing mesh 33 is arranged inside the transition section soil retaining plate 32; the reinforcing mesh 33 comprises a plurality of vertical reinforcing steel bars 331 and a plurality of transverse reinforcing steel bars 332, and the vertical reinforcing steel bars 331 are connected with the transverse reinforcing steel bars 332; two ends of the transverse reinforcing steel bar 332 respectively extend into the interiors of two adjacent anti-slide piles.
As shown in fig. 1, the steep embankment retaining and protecting structure of the present invention includes a left embankment pile plate wall 1 and a right embankment pile plate wall 2, wherein the embankment pile plate wall 1 is higher than the embankment pile plate wall 2; the road shoulder pile plate wall 1 is connected with the embankment pile plate wall 2 through a transition section pile plate wall 3.
The road shoulder pile plate wall 1 comprises road shoulder slide-resistant piles 11 and road shoulder soil-retaining plates 12; a plurality of shoulder friction pile 11 interval sets up, and every shoulder friction pile 11 is provided with shoulder soil retaining plate 12 including the fixed part that is located underground and the cantilever part that is located ground between the cantilever part of adjacent shoulder friction pile 11.
The embankment pile plate wall 2 comprises embankment slide-resistant piles 21 and embankment soil-retaining plates 22; a plurality of embankment slide resistant piles 21 are arranged at intervals, each embankment slide resistant pile 21 comprises an underground fixing part and a cantilever part located on the ground, and an embankment soil retaining plate 22 is arranged between the cantilever parts of the adjacent embankment slide resistant piles 21.
As shown in fig. 1 and 2, the transition section pile plate wall 3 includes a transition section slide-resistant pile 31 and a transition section retaining plate 32, and both the transition section slide-resistant pile 31 and the transition section retaining plate 32 are of a concrete structure and are vertically arranged. The connecting end of the road shoulder pile plate wall 1 refers to the end connected with the transition section pile plate wall 3, and the connecting end of the embankment pile plate wall 2 refers to the end connected with the transition section pile plate wall 3. The transition section anti-slide piles 31 are arranged at intervals along the direction from the shoulder anti-slide pile 11 at the connecting end of the shoulder pile plate wall 1 to the embankment anti-slide pile 21 at the connecting end of the embankment pile plate wall 2; each transition section slide pile 31 comprises a fixed part located underground and inserted into a hard rock layer and a cantilever part located above ground. Transition section soil retaining plates 32 are arranged between the shoulder slide-resistant piles 11 at the connecting ends of the shoulder pile sheet walls 1 and the embankment slide-resistant piles 21 at the connecting ends of the embankment pile sheet walls 2 and between the cantilever parts of adjacent slide-resistant piles.
The utility model discloses a abrupt slope embankment fender protective structure, through set up changeover portion friction pile 31 and changeover portion fender apron 32 between 1 embankment pile plate wall of curb and embankment pile plate wall 2, changeover portion pile plate wall 3 has been formed, make 1 embankment pile plate wall of curb and 2 connection of embankment pile plate wall as an organic whole, the overall stability of abrupt slope embankment fill has been improved, the unable problem of jointly used in succession of 1 embankment pile plate wall of curb and 2 embankment pile plate walls has been solved, the suitability of complicated topography highway section abrupt slope embankment has been expanded.
As shown in fig. 3 and 4, in order to improve the strength of the retaining plate 32 for the transition section, at least one layer of reinforcing mesh 33 is provided inside each retaining plate 32 for the transition section, each layer of reinforcing mesh 33 includes a plurality of vertical reinforcing bars 331 and a plurality of transverse reinforcing bars 332, and the vertical reinforcing bars 331 and the transverse reinforcing bars 332 are tied up by wire. Each of the vertical reinforcing bars 331 and the transverse reinforcing bars 332 is of an integral structure and must not be broken. The two ends of the transverse reinforcing steel bars 332 respectively extend into the interiors of two adjacent slide-resistant piles, preferably, the length of the transverse reinforcing steel bars 332 extending into each slide-resistant pile is L, wherein L is more than or equal to 500 mm.
The transition section pile plate wall 3 of the utility model plays a role of supporting and protecting through the transition section slide-resistant pile 31 and the transition section retaining plate 32, and improves the structural strength of the transition section retaining plate 32 by arranging the reinforcing mesh 33 in the transition section retaining plate 32; and through stretching into the inside of two friction piles respectively with the both ends of horizontal reinforcing bar 332 in the transition section fender apron 32, and then make two adjacent friction piles be connected as an organic wholely with transition section fender apron 32, improved the joint strength of the hookup location department between transition section fender apron 32 and the friction pile to reach the purpose that improves whole abrupt slope embankment fender protection's intensity, and then improved abrupt slope embankment fender protective structure's protecting effect.
In order to further improve the structural strength of the retaining plate 32 for the transition section, preferably, two reinforcing mesh 33 are arranged inside the retaining plate 32 for the transition section at intervals along the thickness direction; the two layers of mesh reinforcements 33 are connected by a plurality of bridging reinforcements 333. Preferably, the vertical reinforcing bars 331, the transverse reinforcing bars 332 and the lap reinforcing bars 333 are HRB400 twisted reinforcing bars. Further, a steel bar net is arranged in all the anti-slide piles, and the ends of the transverse steel bars 332 are connected with the steel bar net in the anti-slide piles.
The shape of the transition-section slide resistant pile 31 may be cylindrical, rectangular parallelepiped, etc., and is not particularly limited herein. For convenience of on-site construction, as shown in fig. 1 and 2, the transition section slide-resistant pile 31 is rectangular; each transition section slide pile 31 comprises a front side 311, a left side 312, a rear side 313 and a right side 314 which are connected in sequence; the left side 312 and the right side 314 of the transition section slide-resistant pile 31 are both connected with the transition section soil-retaining plate 32; the front sides 311 of all the transition section slide studs 31 are parallel to each other.
As shown in fig. 2, the front side 311 of the transition stage slide pile 31 refers to the side facing the road, the rear side 313 of the transition stage slide pile 31 refers to the side facing the steep slope, and the left side 312 and the right side 314 of the transition stage slide pile 31 refer to the two sides connected to the transition stage retaining plate 32. The front side 311 is parallel to the rear side 313, the left side 312 is perpendicular to the right side 314, and the front side 311 is perpendicular to the left side 312.
Because the curb pile plate wall 1 and the embankment pile plate wall 2 are not in the same vertical plane, in the transition section pile plate wall 3, as shown in fig. 3, the included angle between the projection of the right side surface 314 of the transition section slide-resistant pile 31 on the horizontal plane and the projection of the transition section retaining plate 32 on the horizontal plane is α, wherein 0 degrees is less than α degrees and less than 90 degrees, preferably 40 degrees is less than or equal to α degrees and less than or equal to 60 degrees, and further α degrees is 52 degrees.
As shown in fig. 4, the transition section retaining plate 32 is provided with a plurality of drainage holes 34. By providing the weep holes 34, water in the steep slope is drained away from the weep holes 34, the weep holes 34 being provided at different heights on the transition section retaining plate 32. Further, be provided with the PVC pipe in the outlet 34, the length that the end of intaking of PVC pipe extends behind the changeover portion fender soil board 32 is 200mm, and the end parcel of intaking of PVC pipe has infiltration geotechnological cloth, plays the filter effect, avoids gravel and sand, earth to block up the PVC pipe.
Claims (8)
1. A steep embankment supporting and retaining protection structure comprises a shoulder pile plate wall (1) and an embankment pile plate wall (2); the road embankment pile plate wall is characterized by further comprising a transition section pile plate wall (3) arranged between the road shoulder pile plate wall (1) and the embankment pile plate wall (2); the transition section pile plate wall (3) comprises transition section anti-slide piles (31) and transition section soil retaining plates (32);
the transition section anti-slide piles (31) are arranged at intervals along the direction from the shoulder anti-slide pile (11) at the connecting end of the shoulder pile plate wall (1) to the embankment anti-slide pile (21) at the connecting end of the embankment pile plate wall (2); each anti-slide pile comprises a fixed part positioned underground and a cantilever part positioned on the ground; transition section soil retaining plates (32) are arranged between the shoulder slide-resistant piles (11) at the connecting end of the shoulder pile plate wall (1) and the embankment slide-resistant piles (21) at the connecting end of the embankment pile plate wall (2) and between cantilever parts of adjacent slide-resistant piles;
at least one layer of reinforcing mesh (33) is arranged inside the transition section soil retaining plate (32); the reinforcing mesh (33) comprises a plurality of vertical reinforcing steel bars (331) and a plurality of transverse reinforcing steel bars (332), and the vertical reinforcing steel bars (331) are connected with the transverse reinforcing steel bars (332); and two ends of the transverse reinforcing steel bar (332) respectively extend into the interiors of the two adjacent anti-slide piles.
2. The steep embankment retaining and protecting structure according to claim 1, wherein the transition section soil guard plate (32) is internally provided with two reinforcing meshes (33) at intervals along the thickness direction thereof; the two layers of reinforcing meshes (33) are connected through a plurality of lap bars (333).
3. The steep embankment retaining and shielding structure according to claim 1, wherein the length of the transversal reinforcement (332) extending into the interior of each anti-slide pile is L, wherein L is more than or equal to 500 mm.
4. The steep embankment retaining and protecting structure according to claim 1, 2 or 3, characterized in that the vertical rebars (331), the transverse rebars (332) and the overlap rebars (333) are HRB400 twisted rebars.
5. The steep embankment buttress protection structure according to claim 1, 2 or 3, characterized in that said transition section anti-slide piles (31) are rectangular parallelepiped in shape; each transition section slide-resistant pile (31) comprises a front side surface (311), a left side surface (312), a rear side surface (313) and a right side surface (314) which are connected in sequence; the left side surface (312) and the right side surface (314) of the transition section slide-resistant pile (31) are connected with the transition section soil retaining plate (32); the front sides (311) of all the transition section slide-resistant piles (31) are parallel to each other.
6. The steep embankment retaining and protecting structure according to claim 5, wherein the angle between the projection of the right side surface (314) of the transition section slide-resistant pile (31) on the horizontal plane and the projection of the transition section retaining plate (32) on the horizontal plane is α, wherein 0 ° < α <90 °.
7. The steep embankment backstop protective structure according to claim 6, characterized in that, wherein 40 ° ≦ α ≦ 60 °.
8. The steep embankment buttress protection structure according to claim 1, 2 or 3, characterized in that a plurality of drainage holes (34) are provided on the transition section soil guard plate (32).
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CN201921115555.5U CN210368484U (en) | 2019-07-16 | 2019-07-16 | Abrupt slope embankment fender protective structure |
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CN201921115555.5U CN210368484U (en) | 2019-07-16 | 2019-07-16 | Abrupt slope embankment fender protective structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115343011A (en) * | 2022-10-17 | 2022-11-15 | 四川省公路规划勘察设计研究院有限公司 | Side slope rockfall impact interception test device |
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2019
- 2019-07-16 CN CN201921115555.5U patent/CN210368484U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115343011A (en) * | 2022-10-17 | 2022-11-15 | 四川省公路规划勘察设计研究院有限公司 | Side slope rockfall impact interception test device |
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