CN210013075U

CN210013075U - Highway subgrade with waterproof settlement prevention function

Info

Publication number: CN210013075U
Application number: CN201920483313.5U
Authority: CN
Inventors: 张士超; 张宇; 张威; 倪国亮; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-02-04
Anticipated expiration: 2029-04-11

Abstract

The utility model discloses a highway subgrade with waterproof settlement of preventing, which comprises a road surface, the geogrid layer has been laid to the bottom on road surface, the gravel layer has been laid to the bottom on geogrid layer, the waterproof layer has been laid to the bottom on gravel layer, reinforced concrete layer has been laid to the bottom of waterproof layer, the rammer layer has been laid to reinforced concrete layer's bottom, the subgrade has been laid to the bottom on rammer layer, it has the one end of drain pipe to peg graft the up end of waterproof layer, the other end of drain pipe runs through the lower terminal surface of waterproof layer, reinforced concrete layer, rammer layer and subgrade, reinforced concrete layer's lower terminal surface has still all locked through the bolt from a left side has the roof. This highway subgrade with prevent subsiding, the device simple structure can effectually carry out the diversion to the ponding that the road surface oozes down and get rid of, has strengthened the bearing capacity of highway subgrade, has improved the stability ability of subgrade, more accords with actual user demand.

Description

Highway subgrade with waterproof settlement prevention function

Technical Field

The utility model relates to a highway subgrade technical field specifically is a highway subgrade with waterproof settlement of preventing.

Background

Along with the continuous development of social economy in China, the number of roads is also continuously increased, and as China is wide in region and complex in environment, when a highway is constructed, the firmness of the roadbed is very important, if the roadbed is not firm enough, after the road is constructed, the phenomena of cracking, sinking and the like of the road surface can be caused by the settlement of the roadbed, thus causing damage to highways, in the prior art, the humid climate in the southwest area often causes landslide and collapse of highway subgrade due to rain, thereby blocking roads and harming traffic safety, meanwhile, in the existing pavement structure, the functional layers have no coordination capacity for the change of the load, and because of the influence of underground and surface water, uneven settlement occurs, so that early damage occurs respectively, thereby lead to highway life to reduce, increased the potential safety hazard of driving, be not conform to actual user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a highway subgrade with prevent subsiding to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a waterproof and anti-settling highway subgrade comprises a pavement, wherein a geogrid layer is laid at the bottom end of the pavement, a gravel layer is laid at the bottom end of the geogrid layer, a waterproof layer is laid at the bottom end of the gravel layer, a reinforced concrete layer is laid at the bottom end of the waterproof layer, a ramming layer is laid at the bottom end of the reinforced concrete layer, a roadbed is laid at the bottom end of the ramming layer, one end of a drain pipe is inserted into the upper end surface of the waterproof layer, the other end of the drainage pipe penetrates through the waterproof layer, the reinforced concrete layer, the ramming layer and the lower end surface of the roadbed, the lower end surface of the reinforced concrete layer is also provided with a top plate from left and locked by bolts, the bottom end of the top plate is welded with support rods from front to back, the outer wall of bracing piece is from last all to having welded the down tube, the bottom welding of bracing piece has the bottom plate, and the bottom plate passes through bolt and road bed looks locking.

Preferably, the waterproof layer is made of asphalt felt.

Preferably, the drain pipe is located between the top plates.

Preferably, the support rods are arranged with a gap between the top plate and the bottom plate.

Preferably, the included angle between the inclined rod and the outer wall of the supporting rod is 45 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: the waterproof and anti-settling highway subgrade has the advantages that the firmness degree of the whole subgrade base layer is increased through the geogrid layer, the deformation resistance of the subgrade is improved, and the stability of the subgrade is improved, when accumulated water on a highway pavement seeps into the highway subgrade, the downward flowing speed of the seeped accumulated water can be accelerated through gaps of gravels in the gravel layer and is discharged downward through the drainage pipe, the accumulated water is prevented from being accumulated in the subgrade for a long time to cause the depression of the subgrade, the asphalt felt material is adopted for the waterproof layer, the waterproof layer has good cohesiveness, plasticity, water resistance, corrosion resistance and durability, the downward flowing of the seeped water can be effectively prevented through the waterproof layer, the structures of a reinforced concrete layer and the subgrade are damaged, the anti-bearing capacity of the subgrade is improved through the plurality of support rods arranged in the highway subgrade, and the plurality of inclined rods are arranged on the outer walls, can have the ability of resisting the sinking to the highway subgrade through the down tube, further promote the anti-settlement effect of highway subgrade, the device simple structure can effectually carry out the diversion to the ponding that the road surface oozes and get rid of, has strengthened the bearing capacity of highway subgrade, has improved the stability can of subgrade, has prolonged the life of highway, has improved the safety of driving a vehicle, more accords with actual user demand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a right side view of the support rod of the present invention.

In the figure: 1. the concrete comprises a pavement, 2 parts of a geogrid layer, 3 parts of a gravel layer, 4 parts of a waterproof layer, 5 parts of a reinforced concrete layer, 6 parts of a rammed earth layer, 7 parts of a roadbed, 8 parts of a drain pipe, 9 parts of a top plate, 10 parts of a support rod, 11 parts of an inclined rod, 12 parts of a bottom plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a road bed with waterproof and anti-settling functions comprises a road surface 1, wherein a geogrid layer 2 is laid at the bottom end of the road surface 1, the overall firmness degree of a road bed base layer is increased through the geogrid layer 2, the capability of resisting deformation of the road bed is improved, so that the stability of the road bed is improved, a gravel layer 3 is laid at the bottom end of the geogrid layer 2, when accumulated water on the road surface seeps into the road bed, the downward flowing speed of the seeped water can be accelerated through gaps of gravels in the gravel layer 3, the accumulated water is discharged downwards through a drain pipe 8, the phenomenon that the accumulated water is accumulated in the road bed for a long time to cause the sinking of the road bed is avoided, a waterproof layer 4 is laid at the bottom end of the gravel layer 3, the waterproof layer 4 is made of asphalt felt, and the waterproof layer 4 has good cohesiveness, plasticity, water resistance, corrosion resistance and durability, the structure of a reinforced concrete layer 5 and a roadbed 7 can be effectively prevented from flowing downwards by the aid of a waterproof layer 4, the reinforced concrete layer 5 is paved at the bottom end of the waterproof layer 4, a rammed soil layer 6 is paved at the bottom end of the reinforced concrete layer 5, the roadbed 7 is paved at the bottom end of the rammed soil layer 6, one end of a drain pipe 8 is inserted into the upper end face of the waterproof layer 4, the drain pipe 8 is positioned between top plates 9, the other end of the drain pipe 8 penetrates through the lower end faces of the waterproof layer 4, the reinforced concrete layer 5, the rammed soil layer 6 and the roadbed 7, the lower end face of the reinforced concrete layer 5 is locked with a top plate 9 through bolts from the left, support rods 10 are welded at the bottom end of the top plate 9 from the front to the back, the support rods 10 are arranged between the top plate 9 and a bottom plate 12 in a clearance mode, and a plurality of, increased the anti bearing capacity of road bed, the outer wall of bracing piece 10 is from last to all welding down has down the down tube 11, contained angle between 11 and the bracing piece 10 outer walls of down tube is 45 degrees, is provided with a plurality of down tubes 11 through the outer wall of bracing piece 10, can have the ability of resisting sinking to the highway road bed through down tube 11, has further promoted the anti-settling effect of highway road bed, the bottom welding of bracing piece 10 has bottom plate 12, and bottom plate 12 passes through bolt and 7 locks mutually of road bed.

Claims

1. The utility model provides a highway subgrade with waterproof prevent subsiding, includes road surface (1), its characterized in that: the bottom of the pavement (1) is paved with a geogrid layer (2), the bottom of the geogrid layer (2) is paved with a gravel layer (3), the bottom of the gravel layer (3) is paved with a waterproof layer (4), the bottom of the waterproof layer (4) is paved with a reinforced concrete layer (5), the bottom of the reinforced concrete layer (5) is paved with a rammed earth layer (6), the bottom of the rammed earth layer (6) is paved with a roadbed (7), the upper end face of the waterproof layer (4) is spliced with one end of a drain pipe (8), the other end of the drain pipe (8) penetrates through the lower end faces of the waterproof layer (4), the reinforced concrete layer (5), the rammed earth layer (6) and the roadbed (7), the lower end face of the reinforced concrete layer (5) is also locked with a top plate (9) through bolts from the left, the bottom of the top plate (9) is welded with a support rod (10) from the front to, the outer wall of bracing piece (10) is from last all to having welded down has down tube (11), the bottom welding of bracing piece (10) has bottom plate (12), and bottom plate (12) lock mutually through bolt and road bed (7).

2. The highway subgrade with waterproof and anti-settlement functions as recited in claim 1, wherein: and the waterproof layer (4) is made of asphalt felt.

3. The highway subgrade with waterproof and anti-settlement functions as recited in claim 1, wherein: the drain pipe (8) is positioned between the top plates (9).

4. The highway subgrade with waterproof and anti-settlement functions as recited in claim 1, wherein: the supporting rods (10) are arranged between the top plate (9) and the bottom plate (12) in a clearance mode.

5. The highway subgrade with waterproof and anti-settlement functions as recited in claim 1, wherein: the included angle between the inclined rod (11) and the outer wall of the supporting rod (10) is 45 degrees.