CN211472525U

CN211472525U - Roadbed slope protection structure

Info

Publication number: CN211472525U
Application number: CN201921813526.6U
Authority: CN
Inventors: 刘刚; 何芳芳
Original assignee: Beijing Hangkan Construction Co ltd
Current assignee: Beijing Hangkan Construction Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-09-11
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a side slope protective structure, including setting firmly the concrete inoxidizing coating on the side slope of the road bed, the concrete inoxidizing coating includes a plurality of protection sections, and is a plurality of the protection section is followed the side slope interval of the road bed sets up, and is adjacent it has the expansion joint to reserve between the protection section, the concrete inoxidizing coating is provided with the stagnant water spare that is used for sealed expansion joint. It has the advantage of protection road bed side slope stability.

Description

Roadbed slope protection structure

Technical Field

The utility model relates to a side slope engineering protection field, in particular to side slope protective structure of roadbed.

Background

When the road construction, need dig the foundation ditch earlier. In order to ensure the safety of the construction of the underground structure and the surrounding environment of the foundation pit, the side wall and the surrounding environment of the foundation pit are blocked, reinforced and protected.

However, the roadbed slope is in the atmospheric environment for a long time, and is expanded and contracted constantly due to the temperature change and the humidity change of the atmosphere, when the transverse length of the roadbed slope is too long, the roadbed slope is prone to cracking under the influence of the external environment, and when the roadbed slope cracks, rainwater in the external environment may enter the roadbed slope along the gap of the roadbed slope, so that the stability of the roadbed slope is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a road bed side slope protective structure, its advantage that has protection road bed side slope stability.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a side slope protective structure, is including setting firmly the concrete inoxidizing coating on the side slope of road bed, the concrete inoxidizing coating includes a plurality of protection sections, and is a plurality of the protection section is followed side slope of road bed interval sets up, and is adjacent it has the expansion joint to reserve between the protection section, the concrete inoxidizing coating is provided with the stagnant water spare that is used for sealed expansion joint.

Through adopting above-mentioned technical scheme, lay the protection section on the road bed side slope, reserve between the adjacent protection section and have the expansion joint, when the road bed side slope fracture, the motion of setting up to adjacent protection section of expansion joint provides certain motion space, avoids the road bed side slope fracture, and simultaneously, the expansion joint is sealed to the stagnant water spare, and setting up of stagnant water spare makes inside the difficult direct infiltration expansion joint of rainwater, prevents the inside of rainwater infiltration road bed side slope, and then can protect the stability of road bed side slope.

The utility model discloses further set up to: the protection sections comprise reinforcing steel bars and reinforcing steel bar meshes surrounded by the reinforcing steel bars, and the adjacent protection sections are connected through telescopic assemblies.

By adopting the technical scheme, the connection between the adjacent protection sections is convenient to realize by arranging the telescopic assembly; the structural strength of the protective section is enhanced by arranging the reinforcing mesh.

The utility model discloses further set up to: the telescopic assembly comprises a first steel plate, a second steel plate and a buffer rod which are arranged in parallel, a first mounting hole is formed in the first steel plate, a second mounting hole is formed in the second steel plate, the buffer rod penetrates through the first mounting hole and the second mounting hole, and a limit block used for preventing the buffer rod from being separated from the buffer rod is arranged on the buffer rod.

Through adopting above-mentioned technical scheme, when the roadbed slope fracture, the stopper on the buffer lever can be owing to the tensile of roadbed slope and with first steel sheet and second steel sheet butt, because the length of buffer lever is certain, has injectd the deformation volume at expansion joint, makes the expansion joint be difficult for continuing tensile to the deformation interval that makes the expansion joint is too big and causes the destruction to the roadbed slope.

The utility model discloses further set up to: the diameter of the first mounting hole is larger than that of the buffer rod, and the diameter of the second mounting hole is larger than that of the buffer rod.

Through adopting above-mentioned technical scheme, the diameter of first mounting hole is greater than the diameter of buffer bar, makes the buffer bar rotate relatively in first mounting hole, and the diameter of second mounting hole is greater than the diameter of buffer bar, makes the buffer bar rotate relatively in the second mounting hole to make the buffer bar can satisfy the flexible deformation of interval between first steel sheet and the second steel sheet.

The utility model discloses further set up to: and a stretching elastic part is arranged between the first steel plate and the second steel plate, one end of the stretching elastic part is fixedly connected with the first steel plate, and the other end of the stretching elastic part is fixedly connected with the second steel plate.

Through adopting above-mentioned technical scheme, when the expansion joint produced deformation, first steel sheet and second steel sheet moved to opposite direction, made tensile elastic component be in tensile state under the effect of first steel sheet and second steel sheet to the rigid displacement that makes the buffer beam becomes tensile elastic component's flexible displacement, made the subassembly that stretches out and draws back have better flexible effect.

The utility model discloses further set up to: and a high-density joint filling layer is arranged between the first steel plate and the second steel plate.

By adopting the technical scheme, on one hand, the high-density joint filling layer is arranged, so that rainwater is not easy to directly permeate between the first steel plate and the second steel plate, and the service life of the expansion joint is prolonged; on the other hand, the high-density joint filling layer can be cast in place, and the construction is convenient.

The utility model discloses further set up to: the first steel plate comprises a plurality of first oblique sections, a first straight section is arranged between every two adjacent first oblique sections, the first oblique sections are arranged on one sides, far away from the second steel plate, of the first straight sections, and the oblique directions of the adjacent first oblique sections are opposite; the second steel plate comprises a plurality of second oblique sections, the second oblique sections are arranged in parallel with the first oblique sections, second straight sections are arranged between the adjacent second oblique sections, the second oblique sections are arranged on one sides, close to the first steel plate, of the second straight sections, and the inclination directions of the adjacent second oblique sections are opposite.

By adopting the technical scheme, the contact area of the first steel plate and the high-density joint filling layer and the contact area of the second steel plate and the high-density joint filling layer can be increased, so that the first steel plate and the second steel plate are combined into a whole.

The utility model discloses further set up to: the high density layer of caulking is provided with the rubber seal strip in the one side of keeping away from the side slope of road bed, one side and first steel sheet butt, opposite side butt of rubber seal strip in the second steel sheet.

Through adopting above-mentioned technical scheme, rubber seal strip has good elastic deformation and waterproof function, further prevents that the elm from getting into the inside at expansion joint, improves the utility model discloses a stability.

The utility model discloses further set up to: one side of the water stop piece is detachably connected with the first steel plate, and the other side of the water stop piece is detachably connected with the second steel plate.

By adopting the technical scheme, the water stopping piece is convenient to replace.

The utility model discloses further set up to: a first fixing plate is arranged on one side, close to the water stop piece, of the first steel plate, the first fixing plate is arranged on one side, far away from the second steel plate, of the first steel plate, and the first fixing plate is fixedly connected with the water stop piece through a first embedded bolt; the second steel sheet is provided with the second fixed plate in the one side that is close to the stagnant water piece, the second fixed plate sets up in the second steel sheet and keeps away from one side of first steel sheet, the second fixed plate with the stagnant water piece passes through the pre-buried bolt fixed connection of second.

Through adopting above-mentioned technical scheme, realize first steel sheet and the dismantlement of stagnant water spare and be connected, realize the fixed connection of second steel sheet and stagnant water spare, easy to assemble.

To sum up, the utility model discloses following beneficial effect has: laying a protection section on the roadbed side slope, and fixedly connecting the protection section with the roadbed side slope through concrete to realize the protection effect on the roadbed side slope; meanwhile, an expansion joint is reserved between the adjacent protection sections, when the roadbed slope cracks, the expansion joint is set to provide a certain movement space for the movement of the adjacent protection sections, so that the cracking of the roadbed slope is avoided; through the sealed expansion joint of stagnant water spare, the setting up of stagnant water spare makes inside the difficult direct infiltration expansion joint of rainwater, prevents the inside of rainwater infiltration road bed side slope, and then can protect the stability of road bed side slope.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view showing the connection relationship between the reinforcing mesh, the connecting reinforcing bars and the back-attached water stop according to the embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic view showing the connection relationship between the reinforcing mesh, the connecting bars and the telescopic assemblies according to the embodiment of the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 4;

FIG. 6 is a schematic view of the connection between the telescopic assembly and the high-density foam board and the rubber sealing strip according to the embodiment of the present invention;

FIG. 7 is an enlarged view of section C of FIG. 6;

fig. 8 is a schematic diagram of the relationship of the telescopic assembly according to the embodiment of the present invention;

fig. 9 is an enlarged view of a portion D in fig. 8.

In the figure, 1, a roadbed slope; 2. a concrete protective layer; 21. a protection section; 211. reinforcing steel bars; 2111. transverse reinforcing steel bars; 2112. longitudinal reinforcing steel bars; 212. a reinforcing mesh; 3. connecting reinforcing steel bars; 31. abutting the sheet; 311. an arc-shaped section; 4. a telescoping assembly; 41. a first steel plate; 411. a first diagonal section; 412. a first straight section; 413. a first fixed side plate; 414. a first fixing plate; 42. a second steel plate; 421. a second diagonal segment; 422. a second straight section; 423. a second fixed side plate; 424. a second fixing plate; 43. a buffer rod; 431. a limiting block; 5. an extension spring; 6. a high density foam board; 7. a rubber seal strip; 8. fixing the bolt; 9. fixing a nut; 10. a back-to-back waterstop; 11. a first embedded bolt; 12. a second embedded bolt; 13. and connecting the bolts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine figure 1, figure 2 and figure 4, do the utility model discloses a roadbed slope protective structure, roadbed slope 1 is the stairstepping setting, and roadbed slope 1's step face upper berth is equipped with concrete inoxidizing coating 2, and concrete inoxidizing coating 2 is the stairstepping setting, and concrete inoxidizing coating 2 includes a plurality of protection sections 21, and a plurality of protection sections 21 set up along roadbed slope 1 interval, and it has the expansion joint to reserve between the adjacent protection section 21, and the expansion joint is horizontal setting.

With reference to fig. 2, 3 and 4, the protective section 21 includes the reinforcing bars 211 and the reinforcing bar 211 net with rectangular meshes surrounded by the reinforcing bars 211, the reinforcing bar 211 net is attached to the upper surface of the roadbed slope 1, the reinforcing bar 211 net includes a plurality of transverse reinforcing bars 2111 and a plurality of longitudinal reinforcing bars 2112, adjacent transverse reinforcing bars 2111 are arranged in parallel, adjacent longitudinal reinforcing bars 2112 are arranged in parallel, the transverse reinforcing bars 2111 and the longitudinal reinforcing bars 2112 are arranged in a crossing manner, and the joints of the transverse reinforcing bars 2111 and the longitudinal reinforcing bars 2112 are bound and fixed.

With reference to fig. 1, 4 and 5, the steel bar 211 net is fixedly connected with the roadbed slope 1 through a plurality of connecting steel bars 3, and the adjacent connecting steel bars 3 are arranged at intervals. One end of connecting reinforcement 3 is buried in the inside of road bed side slope 1 in advance, the other end extends to the outside and the reinforcing bar 211 net fixed connection of road bed side slope 1, connecting bolt 13 fixedly connected with butt piece 31 is passed through to 3 tip of connecting reinforcement, the third bolt hole that supplies connecting bolt 13 to pass is seted up to butt piece 31, connecting bolt 13's head butt in butt piece 31 upper surface, the lower surface of butt piece 31 covers in the rectangle mesh, butt piece 31 butt is in the adjacent longitudinal reinforcement 2112 of reinforcing bar 211 net. The abutting sheet 31 is bent downwards at the overlapping part of the longitudinal steel bar 2112 to form an arc-shaped section 311, the open end of the arc-shaped section 311 faces the longitudinal steel bar 2112, and one end of the arc-shaped section 311 away from the abutting sheet 31 abuts against the subgrade slope 1.

Referring to fig. 4, adjacent protection sections 21 are connected through telescopic assemblies 4, the telescopic assemblies 4 are multiple groups, the multiple groups of telescopic assemblies 4 are distributed along the length direction of the telescopic seams, and the adjacent telescopic assemblies 4 are spliced end to end.

Referring to fig. 8 and 9, the telescopic assembly 4 includes a first steel plate 41 and a second steel plate 42 arranged in parallel, and a buffer rod 43, wherein the first steel plate 41 is arranged perpendicular to the roadbed slope 1, and the second steel plate 42 is arranged perpendicular to the roadbed slope 1.

Referring to fig. 6 and 7, a high-density caulking layer is filled between the first steel plate 41 and the second steel plate 42, the high-density caulking layer is a high-density foam plate 6, and the high-density foam plate 6 is bonded to the first steel plate 41 and the second steel plate 42.

The rubber seal 7 is bonded to the upper end of the high-density caulking layer, and one side of the rubber seal 7 is bonded to the first steel plate 41, and the other side thereof abuts against the second steel plate 42 and is bonded to the second steel plate 42.

With reference to fig. 8 and 9, the first steel plate 41 includes a plurality of first oblique segments 411, a first straight segment 412 is integrally formed between adjacent first oblique segments 411, the first oblique segments 411 are disposed on a side of the first straight segment 412 away from the second steel plate 42, the oblique directions of the adjacent first oblique segments 411 are opposite, and the adjacent first oblique segments 411 and the first straight segment 412 form a trapezoid.

The second steel plate 42 includes a plurality of second oblique sections 421, the second oblique sections 421 are parallel to the first oblique sections 411, a second straight section 422 is integrally formed between adjacent second oblique sections 421, the second oblique sections 421 are disposed on one side of the second straight section 422 close to the first steel plate 41, the oblique directions of the adjacent second oblique sections 421 are opposite, and the adjacent second oblique sections 421 and the second straight sections 422 enclose a trapezoid.

The first inclined section 411 and the second inclined section 421 are disposed in parallel, and the first straight section 412 and the second straight section 422 are disposed in parallel.

The first straight section 412 is provided with a first mounting hole, the second straight section 422 is provided with a second mounting hole, the first mounting hole and the second mounting hole are positioned on the same straight line, and the aperture of the first mounting hole is equal to that of the second mounting hole. The buffer rod 43 is arranged in the first mounting hole and the second mounting hole in a penetrating mode, the diameter of the first mounting hole is larger than that of the buffer rod 43, and the diameter of the second mounting hole is larger than that of the buffer rod 43.

The both ends of buffer lever 43 extend to the lateral wall that first steel sheet 41 and second steel sheet 42 carried on the back mutually respectively, and the both ends integrated into one piece of buffer lever 43 has the stopper 431 that is provided with and prevents that buffer lever 43 from deviating from, and stopper 431 is the annular setting, and stopper 431's diameter is greater than the diameter of first mounting hole and second mounting hole.

Be provided with tensile elastic component between first steel sheet 41 and the second steel sheet 42, tensile elastic component is extension spring 5, and buffer rod 43 is located to extension spring 5 cover, and extension spring 5's one end and first steel sheet 41 welding, the other end and second steel sheet 42 welding, and when extension spring 5 was in natural state, the stopper 431 at buffer rod 43 both ends set up with first steel sheet 41 and second steel sheet 42 interval respectively.

The both sides of first steel sheet 41 have first fixed curb plate 413 to keeping away from the lateral buckling of second steel sheet 42 respectively, two first fixed curb plate 413 parallel arrangement, are connected through fixing bolt 8 between first fixed curb plate 413 rather than the adjacent first fixed curb plate 413, and first bolt hole has been seted up to first fixed curb plate 413, and threaded connection has fixation nut 9 behind two first bolt holes is worn to locate by fixing bolt 8.

The both sides of second steel sheet 42 have the fixed curb plate 423 of second to keeping away from the one side bending type of first steel sheet 41 respectively, and two fixed curb plate 423 parallel arrangement of second, the second bolt hole that supplies fixing bolt 8 to pass is seted up to the fixed curb plate 423 of second, and fixing bolt 8 wears to locate behind two second bolt holes and fixation nut 9 threaded connection.

The first steel plate 41 is welded with a first fixing plate 414 on one side away from the roadbed slope 1, the first fixing plate 414 is perpendicular to the first steel plate 41, and the lower surface of the first fixing plate 414 abuts against the upper end surfaces of the two first fixing side plates 413.

A second fixing plate 424 is welded to one side, away from the roadbed slope 1, of the second steel plate 42, the second fixing plate 424 is perpendicular to the second steel plate 42, and the lower surface of the second fixing plate 424 abuts against the upper end surfaces of the two second fixing side plates 423.

With reference to fig. 1, 2, and 9, the concrete protective layer 2 is provided with a water stop member for sealing the expansion joint, the water stop member is a back-attached water stop 10, one side of the back-attached water stop 10 is detachably connected to the first steel plate 41, and the other side of the back-attached water stop is detachably connected to the second steel plate 42.

With reference to fig. 2, 6 and 9, the first fixing plate 414 and the back-mounted water stop 10 are fixedly connected through the first embedded bolt 11, the first fixing plate 414 is provided with a first embedded hole, the first embedded bolt 11 penetrates through the first embedded hole and extends to one side close to the roadbed slope 1, the head of the first embedded bolt 11 abuts against the back-mounted water stop 10, and one end, away from the head, of the first embedded bolt 11 is embedded in the concrete protective layer 2.

The second fixing plate 424 and the back-mounted water stop 10 are fixedly connected through a second embedded bolt 12, a second embedded hole is formed in the second fixing plate 424, the second embedded bolt 12 penetrates through the second embedded hole and extends to one side close to the roadbed slope 1, and the head of the second embedded bolt 12 abuts against the back-mounted water stop 10. One end of the second embedded bolt 12 far away from the head is embedded in the concrete protective layer 2.

The implementation principle of the embodiment is as follows: laying protection sections 21 on a roadbed slope 1, reserving expansion joints between the adjacent protection sections 21, when the roadbed slope 1 cracks, setting the expansion joints to provide a certain movement space for the movement of the adjacent protection sections 21, so as to avoid the roadbed slope 1 from cracking, meanwhile, a limiting block 431 on a buffer rod 43 can be abutted against a first steel plate 41 and a second steel plate 42 due to the stretching of the roadbed slope 1, and because the length of the buffer rod 43 is fixed, the deformation amount of the expansion joints is limited, so that the expansion joints are not easy to continue to stretch, and the deformation distance of the expansion joints is too large to damage the roadbed slope 1; through sealed expansion joint of stagnant water spare, the setting up of stagnant water spare makes inside the difficult direct infiltration expansion joint of rainwater, prevents the inside of rainwater infiltration road bed side slope 1, and then can protect the stability of road bed side slope 1.

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

1. The utility model provides a road bed side slope protective structure, its characterized in that, including setting firmly concrete inoxidizing coating (2) on road bed side slope (1), concrete inoxidizing coating (2) are including a plurality of protection sections (21), and are a plurality of protection section (21) are followed road bed side slope (1) interval sets up, and is adjacent it has the expansion joint to reserve between protection section (21), concrete inoxidizing coating (2) are provided with the stagnant water spare that is used for sealed expansion joint.

2. The roadbed slope protection structure according to claim 1, wherein the protection sections (21) comprise reinforcing steel bars (211) and a reinforcing steel bar (211) net surrounded by the reinforcing steel bars (211), and adjacent protection sections (21) are connected through telescopic assemblies (4).

3. The protective structure for the roadbed slope as claimed in claim 2, wherein the telescopic assembly (4) comprises a first steel plate (41) and a second steel plate (42) which are arranged in parallel and a buffer rod (43), the first steel plate (41) is provided with a first mounting hole, the second steel plate (42) is provided with a second mounting hole, the buffer rod (43) is arranged in the first mounting hole and the second mounting hole in a penetrating manner, and the buffer rod (43) is provided with a limiting block (431) for preventing the buffer rod (43) from falling off.

4. A roadbed slope protection structure according to claim 3, characterized in that the diameter of the first mounting hole is larger than the diameter of the buffer rod (43), and the diameter of the second mounting hole is larger than the diameter of the buffer rod (43).

5. A protective structure for subgrade and side slope according to claim 3, characterized in that a tensile elastic member is arranged between said first steel plate (41) and said second steel plate (42), one end of said tensile elastic member is fixedly connected with first steel plate (41), and the other end is fixedly connected with second steel plate (42).

6. A roadbed slope protection structure according to claim 3, characterized in that a high-density gap filling layer is arranged between the first steel plate (41) and the second steel plate (42).

7. The roadbed slope protection structure according to claim 6, wherein the first steel plate (41) comprises a plurality of first inclined sections (411), a first straight section (412) is arranged between the adjacent first inclined sections (411), the first inclined sections (411) are arranged on the side of the first straight section (412) far away from the second steel plate (42), and the inclination directions of the adjacent first inclined sections (411) are opposite; the second steel plate (42) comprises a plurality of second oblique sections (421), the second oblique sections (421) and the first oblique sections (411) are arranged in parallel, the second oblique sections (421) are adjacent to each other, second straight sections (422) are arranged between the second oblique sections (421), the second oblique sections (421) are arranged on one sides, close to the first steel plate (41), of the second straight sections (422), and the oblique directions of the second oblique sections (421) are opposite.

8. The roadbed slope protection structure according to claim 6, wherein the high-density gap filling layer is provided with a rubber sealing strip (7) at one side far away from the roadbed slope (1), one side of the rubber sealing strip (7) is abutted with the first steel plate (41), and the other side of the rubber sealing strip is abutted with the second steel plate (42).

9. A subgrade and side slope protection structure according to claim 3, characterized in that said water stop is detachably connected to the first steel plate (41) on one side and to the second steel plate (42) on the other side.

10. The roadbed slope protection structure according to claim 9, wherein the first steel plate (41) is provided with a first fixing plate (414) at one side close to the water stop member, the first fixing plate (414) is provided at one side of the first steel plate (41) far away from the second steel plate (42), and the first fixing plate (414) is fixedly connected with the water stop member through a first embedded bolt (11); second steel sheet (42) are provided with second fixed plate (424) in the one side that is close to the stagnant water piece, second fixed plate (424) set up in second steel sheet (42) keep away from the one side of first steel sheet (41), second fixed plate (424) with the stagnant water piece passes through pre-buried bolt of second (12) fixed connection.