CN213233502U

CN213233502U - Highway subgrade landslide prevention device

Info

Publication number: CN213233502U
Application number: CN202021475549.3U
Authority: CN
Inventors: 白佩佩; 常祖青; 刘岩磊; 张雪娟
Original assignee: Hebei Rendi Ecological Engineering Co ltd
Current assignee: Hebei Rendi Ecological Engineering Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-05-18
Anticipated expiration: 2030-07-23

Abstract

The utility model provides a highway subgrade landslide prevention device, which relates to the technical field of highway subgrades and comprises a subgrade, an protective layer, a stop block, a drainage ditch and an outer side slope; a plurality of supports are arranged inside the roadbed, and anchor rods are respectively arranged on two side surfaces of the roadbed; the anchor rod penetrates through the protective layer; the stop block is arranged on the outer side of the protective layer, and a concrete column extending downwards is arranged at the bottom of the stop block; the outer slope is arranged on the outer side of the drainage ditch. The utility model provides a highway subgrade landslide prevention device, the inoxidizing coating can improve the firmness of subgrade side slope, support and stock combine to use, be convenient for improve the ability that the subgrade bore gravity, the below of dog is connected with the concrete column for guarantee the reliability that dog and below soil are connected, still form the dog simultaneously and to the blockking and spacing of subgrade both sides side slope, outer side slope and the concrete column connection of below are as an organic whole, form the effective bearing to the subgrade both sides on the whole, reliable landslide prevention effect has.

Description

Highway subgrade landslide prevention device

Technical Field

The utility model belongs to the technical field of the highway subgrade, more specifically say, relate to a highway subgrade landslide prevention device.

Background

China is wide in territory, the number of roads is increased continuously along with the continuous development of social economy, and great convenience is provided for communication among various regions. The roadbed is the foundation of the road surface, and the landslide is a main disease causing the movement of the side slope of the roadbed of the road, thereby not only endangering the normal operation of a traffic route, but also causing the loss of manpower, material resources and financial resources for traffic transport personnel and highway maintenance departments.

Due to the great influence of climate and geology on the highway, the technical requirements of various regions on the highway subgrade are different. In wet or often rainy areas, landslides, collapse and other phenomena easily occur on the roadbed of the highway. At present, although the protective effect is certain when the highway is constructed, the phenomenon of roadbed landslide is often generated in rainy areas or road sections with poor soil quality, high fill and the like, the road is blocked, and the public transportation safety is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a highway subgrade landslide prevention device to the highway subgrade landslide prevention effect that exists among the solution prior art is poor, and the subgrade easily collapses the technical problem who damages.

In order to achieve the above object, the utility model adopts the following technical scheme: the highway subgrade landslide prevention device comprises a subgrade, a protective layer, a stop block, a drainage ditch and an outer side slope; a plurality of supports are arranged inside the roadbed, and anchor rods which extend inwards and are fixedly connected with the supports are respectively arranged on two side surfaces of the roadbed; the protective layer is arranged on two side surfaces of the roadbed, the anchor rod penetrates through the protective layer, and the outer end of the anchor rod is connected with the protective layer; the stop block is arranged on the outer side of the protective layer, and a concrete column extending downwards is arranged at the bottom of the stop block; the drainage ditch is arranged on the outer side of the stop block; the outer side slope is arranged on the outer side of the drainage ditch, and the lower part of the outer side slope is connected with the concrete column.

As another embodiment of the application, a plurality of supports are arranged at intervals in the direction of the roadbed, and the plane where the supports are located is perpendicular to the direction of the roadbed.

As another embodiment of this application, the support is isosceles triangle component, and the bottom of support is equipped with downwardly extending's stiffener, and the inner of stock and the two waists fixed connection of support.

As another embodiment of this application, the stock is arranged a plurality ofly from top to bottom outside the road bed.

As another embodiment of this application, the periphery of stock still is equipped with the auxiliary rod of a plurality of radial extension along the stock, and the auxiliary rod evenly lays in the circumference of stock.

As another embodiment of the application, a plurality of reinforcing strips extending from top to bottom are arranged on the protective layer, and a drainage groove is formed between every two adjacent reinforcing strips.

As another embodiment of the application, a plurality of reinforcing strips are arranged in pairs, the lower end of each pair of reinforcing strips extends towards the adjacent side, and the drainage grooves formed by each pair of reinforcing strips are funnel-shaped respectively.

As another embodiment of the application, a plurality of top supporting rods arranged in parallel to the horizontal direction are arranged between two adjacent pairs of reinforcing strips.

As another embodiment of the application, a plurality of connecting rods with the end parts connected with the top surfaces of the reinforcing strips are further arranged between each pair of reinforcing strips, and the connecting rods are arranged along the horizontal direction.

As another embodiment of the application, the top stay bar is arranged between the upper parts of two adjacent pairs of reinforcing bars, the connecting rod is arranged between the lower parts of each pair of reinforcing bars, and the connecting rod is positioned above the drainage groove.

The utility model provides a highway subgrade landslide prevention device's beneficial effect lies in: compared with the prior art, through the outside at the road bed set up the fastness of inoxidizing coating in order to improve the road bed side slope, support and stock combine to use, stable frame effect has been formed to the road bed, be convenient for improve the ability that the road bed bears gravity, the below of dog is connected with the concrete column, a reliability for guaranteeing dog and below soil connection, it is spacing with the stopping of road bed both sides side slope still to form the dog simultaneously, outer side slope and the concrete column of below are connected as an organic whole, form the effective bearing to the road bed both sides on the whole, the stability of the structure of road bed has been guaranteed, reliable anti-skidding slope effect has.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a highway subgrade landslide prevention device provided by an embodiment of the invention;

fig. 2 is a left side view of the protective layer of fig. 1.

Wherein, in the figures, the respective reference numerals:

1. a roadbed; 11. a support; 12. an anchor rod; 13. an auxiliary lever; 14. a reinforcing bar; 2. a protective layer; 21. a reinforcing strip; 22. a water discharge tank; 23. a top brace rod; 24. a connecting rod; 3. a stopper; 31. a concrete column; 4. a drainage ditch; 5. and (4) an outer side slope.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to fig. 2, the anti-landslide device of the highway subgrade 1 of the present invention will now be described. The highway subgrade 1 landslide prevention device comprises a subgrade 1, a protective layer 2, a stop block 3, a drainage ditch 4 and an outer side slope 5; a plurality of brackets 11 are arranged inside the roadbed 1, and anchor rods 12 which extend inwards and are fixedly connected with the brackets 11 are respectively arranged on two side surfaces of the roadbed 1; the protective layer 2 is arranged on two side surfaces of the roadbed 1, the anchor rod 12 penetrates through the protective layer 2, and the outer end of the anchor rod 12 is connected with the protective layer 2; the stop block 3 is arranged on the outer side of the protective layer 2, and the bottom of the stop block is provided with a concrete column 31 extending downwards; the drainage ditch 4 is arranged on the outer side of the stop block 3; the outer slope 5 is disposed outside the drainage ditch 4, and the lower portion of the outer slope 5 is connected to a concrete column 31.

In this embodiment, dog 3 sets up in the lower part outside of road bed 1, and the top surface of dog 3 is equipped with the slope of slope, and this slope is less than the slope of inoxidizing coating 2, and the height that highly is greater than the height of the one side that links to each other with escape canal 4 of one side that dog 3 and road bed 1 link to each other can effectively lead the water on the inoxidizing coating 2 of 1 both sides of road bed to in the escape canal 4, and cushions the velocity of water flow, avoids causing the erodeing 1 below both sides of road bed.

The utility model provides a pair of highway subgrade 1 anti-skidding slope device, compared with the prior art, the firmness in order to improve 1 side slope of subgrade is set up inoxidizing coating 2 through the outside at subgrade 1, support 11 and stock 12 combine the use, stable frame effect has been formed to subgrade 1, be convenient for improve the ability that subgrade 1 bore gravity, the below of dog 3 is connected with concrete column 31, a reliability for guaranteeing dog 3 and below soil connection, it stops and spacing to 1 both sides side slope of subgrade still to form dog 3 simultaneously, outside slope 5 and below concrete column 31 connect as an organic wholely, form the effective bearing to 1 both sides of subgrade on the whole, the stability of the structure of subgrade 1 has been guaranteed, reliable anti-skidding slope effect has.

As a specific implementation manner of the embodiment of the utility model, the interval is equipped with a plurality of in the trend of road bed 1 for support 11, and the plane perpendicular to road bed 1's that support 11 is located trend sets up. The foundations 1 extend along the course of the foundations 1, and the supports 11 are located on a longitudinal section of the foundations 1, which is perpendicular to the course of the foundations 1. Support 11 interval certain distance sets up one to guarantee that a plurality of position homoenergetic on the 1 length direction of whole road bed can form reliable connection, and then guarantee road bed 1's overall stability.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the bracket 11 is an isosceles triangle member, the bottom of the bracket 11 is provided with a reinforcing rod 14 extending downward, and the inner end of the anchor rod 12 is fixedly connected to two sides of the bracket 11. In order to ensure the stability of the support 11, the support 11 is an isosceles triangle, because the isosceles triangle has good stability and good coordination with the roadbed 1 with the trapezoid cross section. Two waists of the isosceles triangle are symmetrically arranged, and the inner ends of the anchor rods 12 connected with the protective layers 2 on the two sides are respectively connected with the two waists of the bracket 11. The anchor rods 12 on the two sides are symmetrically arranged on the two sides of the support 11, so that the unification of loads borne by the two sides of the roadbed 1 is convenient to ensure, and the overall stability of the roadbed 1 is improved.

Further, the setting of stiffener 14 can increase the reliability that support 11 and below soil are connected, and support 11 can adopt the form of steel bar welding, also can adopt the form of concrete placement, and stiffener 14 can adopt the form of concrete placement, no matter support 11 of top is for the preparation of reinforcing bar or concrete member, the reliability that stiffener 14 and support 11 are connected can all be guaranteed.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, a plurality of anchor rods 12 are arranged from top to bottom outside the roadbed 1. The main axis of the anchor rod 12 is arranged perpendicular to the waist of the bracket 11 to facilitate the best connection strength. A plurality of anchor rods 12 are arranged on the side face of the roadbed 1, so that the stability of each position above and below the side slope is guaranteed.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the periphery of the anchor rod 12 is further provided with a plurality of auxiliary rods 13 extending along the radial direction of the anchor rod 12, and the auxiliary rods 13 are uniformly arranged in the circumferential direction of the anchor rod 12. The arrangement of the auxiliary rod 13 can increase the contact area between the anchor rod 12 and the roadbed 1, and improve the reliability of the connection between the anchor rod 12 and the roadbed 1. The auxiliary rod 13 runs perpendicular to the running of the anchor rod 12. Can set up three or three more than auxiliary rod 13 in the periphery of 12 axial same points on stock, auxiliary rod 13 evenly arranges in the periphery of stock 12, forms the reliable gripping with road bed 1, avoids road bed 1 pressurized stock 12 to take place the position dislocation, and then guarantees road bed 1's stability.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to fig. 2, a plurality of reinforcing strips 21 extending from top to bottom are disposed on the protective layer 2, and a drainage channel 22 is formed between two adjacent reinforcing strips 21. The reinforcing strip 21 can increase the overall strength of the protective layer 2, avoid local bulging or sunken deformation of the protective layer 2 and improve the impact resistance of the protective layer 2. The drainage grooves 22 formed between two adjacent reinforcing strips 21 are convenient for draining the drainage grooves 22 on two sides of the water phase on the roadbed 1, and rainwater is prevented from accumulating on the roadbed 1.

Further, a plurality of reinforcing strips 21 are arranged in pairs, the lower end of each pair of reinforcing strips 21 extends towards the adjacent side, and the drainage grooves 22 formed by each pair of reinforcing strips 21 are funnel-shaped respectively. The lower end of each pair of reinforcing strips 21 is folded towards the adjacent part, a structure similar to a W shape can be formed on the surface of the protective layer 2, the structure can not only improve the structural strength of the protective layer 2, but also improve the collecting and guiding effect on water flow, and the effect of concentrated drainage is realized.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, a plurality of top support rods 23 arranged parallel to the horizontal direction are disposed between two adjacent pairs of reinforcing bars 21. The top stay bar 23 sets up between two pairs of enhancement strips 21, can reliably connect two pairs of enhancement strips 21, has improved the wholeness of inoxidizing coating 2 in the direction of the 1 trend of road bed, guarantees the reliable extension of both sides side slope on length direction, is favorable to improving the bulk strength of road bed 1 on length direction.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, each pair of reinforcing bars 21 is further provided with a connecting rod 24 having a plurality of ends connected to the top surface of the reinforcing bar 21, and the connecting rod 24 is disposed along the horizontal direction. Under the prerequisite that sets up the brace piece between adjacent two pairs of reinforcement strip 21, still utilize connecting rod 24 to carry out effective connection with the inside of every pair of reinforcement strip 21, guarantee to form the positional stability between two reinforcement strips 21 of water drainage tank 22, be favorable to improving the intensity of inoxidizing coating 2. In order to avoid blocking the inside of the drainage channel 22, the connecting rod 24 is provided on the top surface of the reinforcing strip 21 to flow out a sufficient space for the drainage channel 22 below, avoiding blocking the drainage.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, the top brace 23 is disposed between the upper portions of two adjacent pairs of reinforcing bars 21, the connecting rod 24 is disposed between the lower portions of each pair of reinforcing bars 21, and the connecting rod 24 is located above the drainage channel 22. In this embodiment, strengthen strip 21 and connecting rod 24 and be located the upper portion and the lower part of strengthening strip 21 respectively, realize the promotion to strengthening strip 21 bulk strength in upper and lower direction, the effectual structural strength who guarantees inoxidizing coating 2 has improved the stability of road bed 1.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Highway subgrade landslide prevention device, its characterized in that includes:

the device comprises a roadbed, a plurality of supports are arranged inside the roadbed, and anchor rods which extend inwards and are fixedly connected with the supports are respectively arranged on two side surfaces of the roadbed;

the protective layer is arranged on two side surfaces of the roadbed, the anchor rod penetrates through the protective layer, and the outer end of the anchor rod is connected with the protective layer;

the stop block is arranged on the outer side of the protective layer, and a concrete column extending downwards is arranged at the bottom of the stop block;

the drainage ditch is arranged on the outer side of the stop block; and

and the outer side slope is arranged on the outer side of the drainage ditch, and the lower part of the outer side slope is connected with the concrete column.

2. A road subgrade landslide prevention device as claimed in claim 1 wherein said supports are spaced apart along the path of said subgrade and said supports are positioned in a plane perpendicular to the path of said subgrade.

3. A roadbed landslide prevention device as claimed in claim 1 wherein said support frame is an isosceles triangle member, a downwardly extending reinforcing bar is provided at the bottom of said support frame, and the inner end of said anchor bar is fixedly connected to the two sides of said support frame.

4. A road bed landslide prevention device as claimed in claim 1 wherein said anchor rods are arranged in a plurality from top to bottom outside said bed.

5. A roadbed landslide prevention device as claimed in claim 1 wherein the anchor rods are further provided at their outer peripheries with a plurality of auxiliary rods extending in a radial direction of the anchor rods, the auxiliary rods being uniformly arranged in a circumferential direction of the anchor rods.

6. A road subgrade landslide prevention device as claimed in any one of claims 1-5 wherein said armor layer is provided with a plurality of reinforcing strips extending downwardly from above, and a drainage channel is formed between two adjacent reinforcing strips.

7. A road bed landslide prevention device as claimed in claim 6 wherein a plurality of reinforcing strips are provided in pairs, the lower end of each pair of said reinforcing strips extending to adjacent sides, said drainage channel formed by each pair of said reinforcing strips being funnel shaped.

8. A road bed landslide prevention device as claimed in claim 7 wherein between adjacent pairs of said reinforcement bars are located a plurality of top struts arranged parallel to the horizontal.

9. A roadbed antiskid device as claimed in claim 8, wherein a plurality of connecting rods are provided between each pair of said reinforcing bars, the ends of said connecting rods being connected to the top surfaces of said reinforcing bars, said connecting rods being arranged in a horizontal direction.

10. A road bed landslide prevention device as claimed in claim 9 wherein said top brace is disposed between upper portions of two adjacent pairs of said reinforcing bars, said connecting bar is disposed between lower portions of each pair of said reinforcing bars, and said connecting bar is located above said drainage channel.