CN211922135U

CN211922135U - Prevent subsiding highway subgrade

Info

Publication number: CN211922135U
Application number: CN202020176680.3U
Authority: CN
Inventors: 潘军辉; 江治强
Original assignee: Jiangxi Highway Research And Design Institute Co ltd
Current assignee: Jiangxi Highway Research And Design Institute Co ltd
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2020-11-13
Anticipated expiration: 2030-02-17

Abstract

The utility model discloses a prevent subsiding highway subgrade, including the pitch layer, only the drainage canal is all established to pitch layer both sides, the drainage canal top is provided with the bushing, the drainage canal bottom sets up to the circular arc type, drainage canal bottom fixedly connected with pipe, pipe bottom fixedly connected with drain pipe, pitch layer bottom is provided with concrete layer, the concrete layer bottom is provided with the metalling, the metalling is provided with the waterproof membrane layer. The utility model discloses the water that the highway both sides can collect most water through setting up the drainage channel passes through the pipe and gets into the drain pipe, then infiltrates into the inside moisture of road bed and sees through asphalt layer and concrete layer and get into the metalling, because the metalling is provided with waterproof membrane layer, the water of entering then gets into the drain pipe through the delivery port, this two sets up the condition of then fine processing road bed infiltration, has improved road bed life and security.

Description

Prevent subsiding highway subgrade

Technical Field

The utility model relates to a highway subgrade technical field especially relates to a prevent subsiding highway subgrade.

Background

The roadbed is a strip structure which is built according to a route position and a certain technical requirement and serves as a road foundation, is a foundation of a railway and a highway, is a linear structure built by soil or stones, and generally comprises six aspects of a body, drainage, protection, a form, a embankment, cutting and the like. However, most of the existing roadbeds are formed by civil structures, and are often attacked and damaged by natural changes such as geology, water, rainfall, climate, vibration and the like and human factors, so that settlement occurs and the due firmness, stability and durability of the roadbeds are lost, the roadbeds need to be frequently maintained and rebuilt, time and labor are consumed, waste of human resources is caused, the capital expenditure for maintaining the roadbeds is increased, and transportation is hindered.

And among the present road surface structure, too simple constructional measure is difficult to thoroughly solve the problem that the road surface subsides, especially the road of building in the relatively poor district of geological conditions, and through setting up a plurality of functional layers, a plurality of functional layers can have the condition of infiltration, water can lead to soft soil layer inhomogeneous sinking by the flow of a plurality of functional layers downward entering beneath soft soil layer and groundwater, lead to a plurality of functional layer inhomogeneous settlement, make the road surface bearing inhomogeneous, and then make the fracture appear on the road surface and cave in, also can lead to the life-span reduction of road surface structure, therefore a can handle the highway subgrade that seeps water the problem and seem very important.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an anti-settlement highway subgrade.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a prevent subsiding highway subgrade, includes the asphalt layer, only the drainage canal is all established to asphalt layer both sides, the drainage canal top is provided with the bushing, the drainage canal bottom sets up to the circular arc type, drainage canal bottom fixedly connected with pipe, pipe bottom fixedly connected with drain pipe, asphalt layer bottom is provided with concrete layer, the concrete layer bottom is provided with the metalling, the metalling is provided with waterproof membrane layer, waterproof membrane layer both sides are provided with the delivery port, delivery port and drain pipe fixed connection.

Preferably, a rammed earth base layer is arranged inside the waterproof membrane layer.

Preferably, the bottom of the concrete layer is provided with a support column, the top of the support column is fixedly connected with a fixed laminate, the top of the fixed laminate is fixedly connected with a first non-slip mat, and the bottom of the support column is conical.

Preferably, the outer walls of the two sides of the supporting column are fixedly connected with supporting brackets, the top of each supporting bracket is fixedly connected with a second fixing layer plate, and the top of each second fixing layer plate is fixedly connected with a second non-slip mat.

Preferably, the outer wall of the support column is fixedly connected with a plurality of barbs.

Preferably, the bottom of the waterproof membrane layer is provided with a grid layer, and the bottom of the grid layer is fixedly connected with a support base block.

The utility model has the advantages that:

1. the water that highway both sides can collect most water through setting up the drainage channel passes through the pipe and gets into the drain pipe, then infiltrates into the inside moisture of road bed and sees through pitch layer and concrete layer and get into the metalling, because the metalling is provided with the waterproof membrane layer, the water that gets into then gets into the drain pipe through the delivery port, this two sets up the condition of then fine processing the road bed infiltration, has improved road bed life and security.

2. Concrete layer bottom is provided with the support column, and the slipmat that the support column both sides all were provided with barb and set up can increase and can promote support column and soil connection stability, then the promotion support area that both sides supporting bracket can be fine is through the firm road bed that above device can be fine, prevents to subside.

3. The grid layer can prevent effectively that the soil erosion and water loss that is located the rammed earth basic unit of grid layer top from influencing, and the soil erosion and water loss of avoiding grid layer top influences the supporting effect on grid layer and sets up many support basal blocks in grid layer below, and further supports effectively grid layer, can avoid the basic unit soil erosion and water loss of grid layer below to influence the supporting effect on grid layer.

Drawings

Fig. 1 is a schematic view of a cross-sectional structure of a settlement-preventing highway subgrade provided in embodiment 1 of the present invention;

fig. 2 is a schematic view of a supporting pillar structure of an anti-settlement highway subgrade provided by the utility model;

fig. 3 is a schematic view of a section structure of an anti-settlement road bed provided in embodiment 2 of the present invention.

In the figure: the concrete floor comprises a drainage channel 1, a drainage plate 2, a support column 3, an asphalt layer 4, a concrete layer 5, a support bracket 6, a fixing laminate 7, a gravel layer 8, barbs 9, a first non-slip mat 10, a waterproof film layer 11, a rammed earth base layer 12, a drainage pipe 13, a guide pipe 14, a second non-slip mat 15, a water outlet 16, a grid layer 17 and a support base block 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-2, an anti-settling highway subgrade comprises an asphalt layer 4, wherein only drainage channels 1 are arranged on two sides of the asphalt layer 4, a leakage plate 2 is arranged on the top of each drainage channel 1, the bottom of each drainage channel 1 is arranged to be in an arc shape, a guide pipe 14 is fixedly connected to the bottom of each drainage channel 1, a drainage pipe 13 is fixedly connected to the bottom of each guide pipe 14, a concrete layer 5 is arranged on the bottom of each asphalt layer 4, a gravel layer 8 is arranged on the bottom of each concrete layer 5, a waterproof film layer 11 is arranged on each gravel layer 8, water outlets 16 are arranged on two sides of each waterproof film layer, the water outlets 16 are fixedly connected with the drainage pipes 13, most of water collected by arranging the drainage channels 1 on two sides of a highway can enter the drainage pipes 13 through the guide pipes 14, then water seeping into the roadbed penetrates through the asphalt layer 4 and the concrete layer 5 to enter the, the two arrangements can well treat the water seepage condition of the roadbed, and improve the service life and the safety of the roadbed.

In the utility model, a rammed earth base layer 12 is arranged inside the waterproof membrane layer 11 to reinforce the roadbed;

5 bottoms on concrete layer are provided with

support column

3, 3 top fixedly connected with fixed laminate 7 of support column, the first slipmat of 7 top fixedly connected with of

fixed laminate

10, 3 bottoms on support column set up to conical, 3 both sides outer wall fixedly connected with support frame 6 of support column, the fixed laminate of 6 top fixedly connected with second of support frame, second fixed laminate top fixedly connected with second slipmat 15, a plurality of barbs 9 of 3 outer wall fixedly connected with of support column, 5 bottoms on concrete layer are provided with support column 3, the slipmat that 5 both sides of support column all were provided with barb 9 and set up can increase and can have promoted support column 3 and soil stability of connection, then the promotion holding area that both sides support frame 6 can be fine consolidate the road bed through above device, prevent to subside.

The working principle is as follows: in the spare part of the device, all the components are referred to as structural parts for connection, the specific connection means refers to the following working principle that the components are connected in sequence, the detailed connection means is the known technology in the field, the following main description is about the working principle and the process, and no description is given, when the device is used, most of water collected by arranging the drainage channels 1 on the two sides of a road can enter the drainage pipe 13 through the conduit 14, then the water seeping into the roadbed enters the gravel layer 8 through the asphalt layer 4 and the concrete layer 5, and due to the fact that the waterproof film layer 11 is arranged in the gravel layer 8, the entered water enters the drainage pipe 13 through the water outlet 16, and the two arrangements can well treat the roadbed seepage, so that the service life of the roadbed is prolonged, and the safety of the roadbed is improved.

Example 2

Referring to fig. 2-3, the anti-settlement highway subgrade comprises a grid layer 17 arranged at the bottom of a waterproof membrane layer 11, and a support base block 18 fixedly connected to the bottom of the grid layer 17.

The working principle is as follows: grid layer 17 can prevent effectively to be located the 12 soil erosion and water loss of the rammed earth basic unit of grid layer 17 top, and the supporting effect of avoiding the soil erosion and water loss of grid layer 17 top to influence grid layer 17 sets up many support base blocks 18 in grid layer 17 below, and further supports grid layer 17 effectively, can avoid the basic unit soil erosion and water loss of grid layer below 17 to influence the supporting effect of grid layer.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a prevent subsiding highway subgrade, includes pitch layer (4), its characterized in that, only drainage canal (1) is all established to pitch layer (4) both sides, drainage canal (1) top is provided with bushing (2), drainage canal (1) bottom sets up to the circular arc type, drainage canal (1) bottom fixedly connected with pipe (14), pipe (14) bottom fixedly connected with drain pipe (13), pitch layer (4) bottom is provided with concrete layer (5), concrete layer (5) bottom is provided with metalling (8), metalling (8) are provided with waterproof membrane layer (11), waterproof membrane layer both sides are provided with delivery port (16), delivery port (16) and drain pipe (13) fixed connection.

2. The anti-settlement highway subgrade according to claim 1, characterized in that a rammed earth base layer (12) is arranged inside the waterproof membrane layer (11).

3. The anti-settlement highway subgrade according to claim 1, characterized in that a supporting column (3) is arranged at the bottom of the concrete layer (5), a fixing layer plate (7) is fixedly connected to the top of the supporting column (3), a first anti-skid pad (10) is fixedly connected to the top of the fixing layer plate (7), and the bottom of the supporting column (3) is conical.

4. The anti-settlement highway subgrade according to the claim 3, characterized in that the outer walls of the two sides of the supporting column (3) are fixedly connected with supporting brackets (6), the top of each supporting bracket (6) is fixedly connected with a second fixing layer plate, and the top of each second fixing layer plate is fixedly connected with a second non-slip mat (15).

5. An anti-settlement road subgrade according to claim 3 or 4, characterized in that a plurality of barbs (9) are fixedly connected to the outer wall of the supporting column (3).

6. The anti-settlement highway subgrade according to claim 1, characterized in that a grid layer (17) is arranged at the bottom of the waterproof membrane layer (11), and a supporting base block (18) is fixedly connected to the bottom of the grid layer (17).