Highway roadbed structure capable of preventing roadbed softening

Abstract

The utility model relates to the technical field of roadbed, and discloses an expressway roadbed structure capable of preventing roadbed softening, which comprises a roadbed body, a base layer arranged at the bottom of the roadbed body, a rubble layer arranged on the upper portion of the base layer, a gravel layer arranged on the upper portion of the rubble layer, a first geotextile arranged on the upper portion of the gravel layer, and a second geotextile arranged on the upper portion of the first geotextile. A first geotextile is arranged on the upper portion of the roadbed body, a pavement base layer is arranged on the upper portion of the first geotextile, a second geotextile is arranged on the upper portion of the pavement base layer, a concrete layer is arranged on the upper portion of the second geotextile, an asphalt pavement surface layer is arranged on the upper portion of the concrete layer, and stabilizing assemblies are arranged on the left side and the right side of the roadbed body. The stabilizing assembly comprises a side slope. According to the highway roadbed structure, the problem of softening of the highway roadbed is effectively solved, the stability and safety of the roadbed structure are improved, the drainage plate is quickly and conveniently cleaned, and the influence on the drainage speed and efficiency is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to roadbed technical field especially relates to a highway roadbed structure of preventable roadbed softening. BACKGROUND

[0002] Roadbed refers to the foundation part for bearing road structure, usually the soil layer excavated or filled in the road construction process. The main role of roadbed is to disperse and transfer the pressure from road traffic and environmental load, to ensure the stability and safety of road structure. It bears the load generated by road surface structure and vehicles running on it, and removes rainwater through appropriate drainage system to prevent soil softening and settlement.

[0003] The existing highway roadbed structure generally sets up slope protection plate on both sides of roadbed to prevent soil loss and ensure normal driving of road, but the existing slope protection plate is generally laid on both sides of roadbed, and the stability is poor. If heavy rain weather occurs, the slope protection plate slides off, causing soil loss, making the road shoulder collapse and causing safety accidents. Therefore, the technical personnel in the art provide a highway roadbed structure of preventable roadbed softening to solve the problems in the background art. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a highway roadbed structure of preventable roadbed softening, aiming at improving the poor stability of slope protection plate in the prior art, and solving the problems of slope protection plate sliding off, causing soil loss, making the road shoulder collapse and causing safety accidents in heavy rain weather.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a highway roadbed structure of preventable roadbed softening, including roadbed body, the bottom of the roadbed body is provided with base layer, the upper part of the base layer is provided with gravel layer, the upper part of the gravel layer is provided with sand and stone layer, the upper part of the sand and stone layer is provided with first geotextile, the upper part of the first geotextile is provided with road surface base layer, the upper part of the road surface base layer is provided with second geotextile, the upper part of the second geotextile is provided with concrete layer, the upper part of the concrete layer is provided with asphalt pavement surface, and the left and right sides of the roadbed body are provided with stabilizing assembly.

[0006] As a further description of the above technical scheme:

[0007] The stabilizing assembly includes slope, which is arranged on the left and right sides of the upper side of roadbed body, and the slope is provided with evenly distributed green planting area on one side.

[0008] As a further description of the above technical scheme:

[0009] The left and right sides of the road base body are provided with drainage channels, the inside upper side of the drainage channel is provided with a drainage plate, the left and right sides of the drainage plate are fixedly connected with mounting plates, the mounting plates are slidingly connected in the inside of the road base body, and the upper part of the mounting plate is fixedly connected with uniformly distributed mounting assemblies.

[0010] As a further description of the above technical solution:

[0011] The mounting assembly comprises a connecting piece, the connecting piece is fixedly connected in the upper part of the mounting plate, the inside of the connecting piece is slidingly connected with a lower threaded inserting rod, the top end of the lower threaded inserting rod is fixedly connected with a pulling block, and the outside of the lower threaded inserting rod is provided with a torsion spring.

[0012] As a further description of the above technical solution:

[0013] One end of the torsion spring is fixedly connected to the lower side of the pulling block, and the other end of the torsion spring is fixedly connected to the upper part of the connecting piece.

[0014] As a further description of the above technical solution:

[0015] The inside of the mounting plate is provided with uniformly distributed mounting holes, and the lower threaded inserting rod is screw-connected in the inside of the mounting hole.

[0016] As a further description of the above technical solution:

[0017] The inside upper side of the slope is provided with uniformly distributed drainage ditches.

[0018] As a further description of the above technical solution:

[0019] The first geotextile and the second geotextile are a kind of artificial materials.

[0020] The utility model has the following beneficial effects:

[0021] 1、 in the utility model, the gravel layer is primarily supported to the roadbed, the sandstone layer is filled in the gap of the gravel layer to lay foundation for the road base layer, the first geotextile and the second geotextile make the road base body dispersed load, increase shear strength, so that it can be stably used, and under the action of the slope set up in the two sides of the road base body and the green planting area set up in the upper portion, the problem of highway roadbed softening is effectively prevented from occurring, and the stability and safety of the roadbed structure are improved.

[0022] 2. The utility model discloses, through the drainage ditch makes rainwater through the drainage board and flows into the drainage way, when the leaf or rubbish etc. will block the drainage board, will pull the block rotation and make it drive lower screw threaded plug pole and installation hole separate, pull up the mounting plate, can clean the drainage board to the drainage normal, realized the quick and convenient cleaning of drainage board, avoided the influence drainage speed and efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A three-dimensional view of a highway subgrade structure capable of preventing subgrade softening is provided in the utility model;

[0024] Figure 2 For Figure 1 The enlarged view of A of the utility model;

[0025] Figure 3 For Figure 1 The enlarged view of B of the utility model.

[0026] LEGEND:

[0027] 1, base layer;2, broken stone layer;3, sand and stone layer;4, asphalt pavement surface layer;5, drainage board;6, drainage way;7, green planting area;8, drainage ditch;9, pull block;10, torsion spring;11, connecting piece;12, lower screw threaded plug pole;13, installation hole;14, mounting plate;15, concrete layer;16, second geotextile;17, pavement base layer;18, first geotextile;19, side slope;20, road basic body. DETAILED DESCRIPTION

[0028] The technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, and obviously, the described embodiment only is a part of the embodiment of the utility model, but not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0029] Refer to Figure 1 And Figure 3The utility model provides an embodiment: a highway subgrade structure can prevent subgrade softening, including road basic body 20, the bottom of road basic body 20 is provided with base layer 1, the upper portion of base layer 1 is provided with macadam layer 2, the upper portion of macadam layer 2 is provided with sand and stone layer 3, the upper portion of sand and stone layer 3 is provided with first geotextile 18, the upper portion of first geotextile 18 is provided with pavement base layer 17, the upper portion of pavement base layer 17 is provided with second geotextile 16, the upper portion of second geotextile 16 is provided with concrete layer 15, the upper portion of concrete layer 15 is provided with asphalt pavement surface layer 4, the left and right sides of road basic body 20 are provided with stabilizing assembly, and first geotextile 18 and second geotextile 16 are a kind of artificial material;

[0030] Stabilizing assembly includes slope 19, which is arranged on the upper side left and right of road basic body 20, and the slope 19 is provided with evenly distributed green planting area 7 on one side, and the inside upper side of the slope 19 is provided with evenly distributed drainage ditch 8.

[0031] Through macadam layer 2, the roadbed is preliminarily supported, and the gap of macadam layer 2 is filled through sand and stone layer 3, and the pavement base layer 17 is laid foundation, by setting first geotextile 18 under pavement base layer 17, the load is dispersed, and the shear strength is increased, by setting second geotextile 16, the soil particles of pavement base layer 17 are ensured not to be lost, so that concrete layer 15 and asphalt pavement surface layer 4 can be stably used, by setting slope 19 on both sides of road basic body 20, the risk of soil erosion and side instability is reduced, thereby the stability of the roadbed is improved, and by planting green plants in green planting area 7, the soil is further grabbed, soil loss is avoided, the problem of softening of highway subgrade is effectively prevented, and the stability and safety of the subgrade structure are improved.

[0032] Referring to Figure 1 And Figure 2 The left and right sides of road basic body 20 are provided with drainage channel 6, the inside upper side of drainage channel 6 is provided with drainage plate 5, the left and right sides of drainage plate 5 are fixedly connected with mounting plate 14, mounting plate 14 is slidingly connected in the inside of road basic body 20, the upper side of mounting plate 14 is fixedly connected with evenly distributed mounting assembly;

[0033] The mounting assembly comprises a connecting piece 11, which is fixedly connected to the upper side of the mounting plate 14 in a uniform distribution, a lower threaded rod 12 is slidingly connected in the inside of the connecting piece 11, the top end of the lower threaded rod 12 is fixedly connected with a pull block 9, a torsional spring 10 is arranged on the outside of the lower threaded rod 12, one end of the torsional spring 10 is fixedly connected to the lower side of the pull block 9, the other end of the torsional spring 10 is fixedly connected to the upper side of the connecting piece 11, a plurality of mounting holes 13 are arranged in the inside of the mounting plate 14 in a uniform distribution, and the lower threaded rod 12 is screwedly connected in the inside of the mounting hole 13.

[0034] Through rainwater flows into the drain plate 5 through the drain ditch 8, to the inside of the drain way 6, when leaves or garbage etc. will drain the drain plate 5, will pull the block 9 rotation and make it drive the lower threaded rod 12 rotation, at the same time will twist the spring 10 twist and pull, make its lower threaded rod 12 and installation hole 13 separate, pull the installation plate 14 upwards, can clean the drain plate 5 hole, ensure the normal drainage, realize the quick and convenient cleaning of the drain plate 5, avoid the influence of drainage speed and efficiency.

[0035] Working principle: when the roadbed is put into use, the roadbed is preliminarily supported through the gravel layer 2, the sandstone layer 3 fills the gap of the gravel layer 2 to lay the foundation for the pavement base layer 17, the first geotextile 18 and the second geotextile 16 are used to disperse the load of the road basic body 20, increase the shear strength, make the concrete layer 15 and the asphalt pavement surface layer 4 be able to be used stably, and under the action of the slope 19 arranged on both sides of the road basic body 20 and the green planting area 7 arranged on the upper part, the problem of softening of the highway roadbed is effectively prevented, and the stability and safety of the roadbed structure are improved.

[0036] Through the drain ditch 8, rainwater flows into the drain way 6 through the drain plate 5, when leaves or garbage etc. will drain the drain plate 5, will pull the block 9 rotation and make it drive the lower threaded rod 12 and installation hole 13 separate, pull the installation plate 14 upwards, can clean the drain plate 5, ensure the normal drainage, realize the quick and convenient cleaning of the drain plate 5, avoid the influence of drainage speed and efficiency.

[0037] Finally, it should be pointed out that: the above described only for the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A highway substructure structure capable of preventing softening of a subbase, comprising a subbase body (20), characterized by: The bottom of the road basic body (20) is provided with a base layer (1), the upper part of the base layer (1) is provided with a gravel layer (2), the upper part of the gravel layer (2) is provided with a sandstone layer (3), the upper part of the sandstone layer (3) is provided with a first geotextile (18), the upper part of the first geotextile (18) is provided with a road surface base layer (17), the upper part of the road surface base layer (17) is provided with a second geotextile (16), the upper part of the second geotextile (16) is provided with a concrete layer (15), the upper part of the concrete layer (15) is provided with an asphalt pavement surface layer (4), and the left and right sides of the road basic body (20) are provided with a stabilizing assembly.

2. A highway substructure capable of preventing subbase softening according to claim 1, characterized in that: The stabilizing assembly comprises a slope (19) arranged on the left and right sides of the upper side of the road basic body (20), and the slope (19) is provided with uniformly distributed green planting areas (7) on one side.

3. The highway substructure structure capable of preventing subbase softening according to claim 1, wherein: The left and right sides of the road basic body (20) are provided with a drainage channel (6), the inner side of the drainage channel (6) is provided with a drainage plate (5), the left and right sides of the drainage plate (5) are fixedly connected with a mounting plate (14), the mounting plate (14) is slidingly connected in the inner side of the road basic body (20), and the upper part of the mounting plate (14) is fixedly connected with uniformly distributed mounting assemblies.

4. A highway substructure capable of preventing subbase softening according to claim 3, characterized in that: The mounting assembly comprises a connecting piece (11) fixedly connected with the upper part of the mounting plate (14), a lower threaded rod (12) slidingly connected in the connecting piece (11), a pull block (9) fixedly connected with the top end of the lower threaded rod (12), and a torsional spring (10) arranged on the outer side of the lower threaded rod (12).

5. A highway substructure resistant to subbase softening according to claim 4, wherein: One end of the torsional spring (10) is fixedly connected to the lower side of the pull block (9), and the other end of the torsional spring (10) is fixedly connected to the upper part of the connecting piece (11).

6. A highway subgrade structure capable of preventing softening of a subgrade according to claim 4, characterized by: The inner side of the mounting plate (14) is provided with uniformly distributed mounting holes (13), and the lower threaded rod (12) is threadedly connected in the mounting hole (13).

7. A highway subgrade structure capable of preventing softening of a subgrade according to claim 2, characterized by: The inner side of the slope (19) is provided with uniformly distributed drainage ditches (8).

8. The highway substructure structure capable of preventing subbase softening according to claim 1, wherein: The first geotextile (18) and the second geotextile (16) are a kind of artificial materials.

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