CN217298487U

CN217298487U - Highway subgrade structure capable of preventing subgrade from softening

Info

Publication number: CN217298487U
Application number: CN202220097255.4U
Authority: CN
Inventors: 张英泽
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-08-26
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses a can prevent highway roadbed structure that the road bed softens relates to highway roadbed structure field. This can prevent highway roadbed structure that road bed softens includes bearing rail, fixed column and road bed main part, and the upper surface of bearing rail runs through and is provided with the fixed column, fixedly connected with road bed main part between two bearing rails. This structure confirms the roughly state of road bed through two fixed bearing rail, bearing rail cooperation bearing wall plays main bearing effect, utilize triangle-shaped's stable form to increase device bearing capacity, the clay layer that leads to warping because of the infiltration easily sets up in water proof swash plate below, make the strong characteristic of clay layer stability obtain the performance, and difficult gravel shock absorber layer setting that leads to warping because of the infiltration plays the cushioning effect above water proof swash plate, increase the buffer capacity of road bed, the drainage structures of leading that reunion set up, make this device form a complete drainage system, can avoid road bed infiltration softening problem betterly.

Description

Highway subgrade structure capable of preventing subgrade from softening

Technical Field

The utility model relates to a highway roadbed structure technical field specifically is a can prevent highway roadbed structure that the road bed softens.

Background

The roadbed is the foundation of a track or a road surface and is an earth structure formed by excavation or filling, and the main function of the roadbed is to provide necessary conditions for track or road surface laying and train or traveling operation, bear static load and dynamic load of the track and locomotive vehicles or the road surface and traffic load, and transmit and diffuse the load to the deep part of the foundation.

In civil engineering, roadbeds occupy important positions in the aspects of construction quantity, occupied area and investment, soil at the bottom of the conventional highway roadbed structure absorbs water and softens along with factors such as use time, rainfall infiltration in local areas and the like, and the roadbed softens and sinks after bearing the weight of the roadbed and vehicles, so that a road is broken, the use effect of the roadbed is reduced, the roadbed is extremely quick to subside if large-scale vehicles pass through the highway, and accidents are easily caused by rugged road surfaces of the vehicles passing through the highway at high speed, so that technical personnel in the field provide the highway roadbed structure capable of preventing the roadbed from softening to help relieve the roadbed softening phenomenon.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a can prevent highway roadbed structure that the road bed softens to solve the problem that provides in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a highway subgrade structure capable of preventing subgrade from softening, comprising:

the side surface of the bearing rail is provided with a fixing column in a penetrating way;

the road bed main part, the fixed setting of road bed main part is between two bearing rails, the road bed main part includes water-stop sheet, filling layer, bearing sleeper and leads drainage structures, water-stop sheet fixed connection is between two bearing rails, the upper and lower side of water-stop sheet is provided with the filling layer respectively, the last fixed surface of water-stop sheet is provided with the bearing sleeper, the fixed drainage structures that leads that is provided with in top of water-stop sheet.

Preferably, the bearing rail comprises a trapezoidal main body and an extension side wing, the two inclined planes of the trapezoidal main body are symmetrically and fixedly provided with the extension side wing, and the upper surface of the extension side wing penetrates through a fixing hole matched with the fixing column.

Preferably, the water-stop sheet includes a bearing wall, a water-stop sloping plate and a connecting plate, the side of the top end of the bearing wall is fixedly connected with the water-stop sloping plate, one side of the water-stop sloping plate, which is far away from the bearing wall, is fixedly connected with the connecting plate which is matched with the bearing rail, and the fixing column penetrates through the connecting plate and fixedly connects the connecting plate with the bearing rail.

Preferably, the filling layer comprises a clay layer and a gravel shock-absorbing layer, the clay layer is arranged below the water-stop sheet, and the gravel shock-absorbing layer is arranged above the water-stop sheet.

Preferably, the plurality of bearing sleepers are fixedly arranged on the inclined plane of the water-stop plate in parallel, the drainage guide structure comprises a water diversion plate, a diversion channel and a drainage hole, the water diversion plate is fixedly arranged between the two bearing sleepers, the diversion channel is arranged on one side, away from each other, of the two bearing rails, and the drainage hole is formed in the side surface of each bearing rail and positioned between the two water diversion plates.

Preferably, the upper surface of diversion board and the highest face parallel and level of road bed main part, the diversion board separates a plurality of strong honeycomb of stability between two bearing sleepers, the one end that the diversion board is close to the bearing rail sets up to uncovered.

The utility model discloses a can prevent highway roadbed structure that the road bed is softened, its beneficial effect who possesses as follows:

1. the highway roadbed structure capable of preventing roadbed softening is provided with bearing rails directly contacting with the ground at the bottom of a roadbed, the rough state of the roadbed is determined by fixing the two bearing rails, a roadbed main body capable of preventing water is connected between the two bearing rails to form a main body structure of the roadbed, the bearing rails are matched with a bearing wall to play a main bearing role, a plurality of triangular spaces are arranged in the bearing rails for filling a filling layer, the bearing capacity of the device is increased by utilizing the stable shape of the triangle, a clay layer which is easy to deform due to water seepage is arranged below a water-proof inclined plate, so that the characteristic of strong stability of the clay layer is exerted, a gravel shock-absorbing layer which is difficult to deform due to water seepage is arranged above the water-proof inclined plate to play a buffering role, the buffering capacity of the roadbed is increased, and the device is combined with a water guide and drainage structure to form a complete drainage system, can better avoid the problem of water seepage and softening of the roadbed.

2. This can prevent softened highway roadbed structure of road bed, the bearing rail is trapezoidal main part and the combination of extending the flank, thereby both have the effect that enlarges and ground area of contact pressure reduces the unit area pressure on the one hand, on the other hand conveniently utilizes the fixed column to fix the roughly shape of road bed, prevent to take place to slide and lead to the road bed to warp, moreover most structure all adopts the strong principle design of triangle structural stability in this device, evenly conduct the vehicle impact force that the road bed main part received on the contact surface of device and ground or filling layer, can avoid the impact force to cause the road bed to warp, through setting up the water proof swash plate that makes things convenient for rivers, play the drainage effect well when preventing precipitation infiltration clay layer, avoid clay layer to warp.

Drawings

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

FIG. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the water-stop sheet and the filling layer of the present invention;

fig. 4 is a schematic view of the drainage structure of the present invention.

In the figure: 1. a load-bearing rail; 101. a trapezoidal main body; 102. an extension flap; 2. fixing a column; 3. a roadbed main body; 301. a water-stop sheet; 3011. a load-bearing wall; 3012. a waterproof sloping plate; 3013. a connecting plate; 302. a filling layer; 3021. a clay layer; 3022. a gravel shock-absorbing layer; 303. a load-bearing sleeper; 304. a drainage guide structure; 3041. a water diversion plate; 3042. a diversion canal; 3043. a drain hole; 4. and (7) fixing holes.

Detailed Description

The embodiment of the utility model discloses can prevent highway roadbed structure that the road bed softens, it is shown to combine figure 1, including bearing rail 1, fixed column 2 and road bed main part 3, the upper surface of bearing rail 1 runs through and is provided with fixed column 2, fixedly connected with road bed main part 3 between two bearing rails 1.

Referring to fig. 2, the roadbed main body 3 is fixedly arranged between two bearing rails 1, the roadbed main body 3 comprises a water stop plate 301, a filling layer 302, bearing sleepers 303 and a drainage guide structure 304, the water stop plate 301 is fixedly connected between the two bearing rails 1, the upper side and the lower side of the water stop plate 301 are respectively provided with the filling layer 302, the upper surface of the water stop plate 301 is fixedly provided with the bearing sleepers 303, and the drainage guide structure 304 is fixedly arranged above the water stop plate 301.

The bearing rail 1 comprises a trapezoid main body 101 and an extension side wing 102, the extension side wing 102 is symmetrically and fixedly arranged on two inclined planes of the trapezoid main body 101, and a fixing hole 4 matched with the fixing column 2 is formed in the upper surface of the extension side wing 102 in a penetrating mode.

Referring to fig. 3-4, the water-stop plate 301 includes a bearing wall 3011, a water-stop sloping plate 3012 and a connecting plate 3013, the side of the top end of the bearing wall 3011 is fixedly connected with the water-stop sloping plate 3012, one side of the water-stop sloping plate 3012 away from the bearing wall 3011 is fixedly connected with the connecting plate 3013 adapted to the bearing rail 1, and the fixing column 2 penetrates through the connecting plate 3013 and fixedly connects the connecting plate 3013 with the bearing rail 1.

The packing layer 302 includes a cement layer 3021 and a gravel-reduced layer 3022, the cement layer 3021 being disposed below the water barrier 301, and the gravel-reduced layer 3022 being disposed above the water barrier 301.

The plurality of bearing sleepers 303 are fixedly arranged on the inclined plane of the water-stop plate 301 in parallel, the drainage guide structure 304 comprises a water diversion plate 3041, a drainage channel 3042 and a drainage hole 3043, the water diversion plate 3041 is fixedly arranged between the two bearing sleepers 303, the drainage channel 3042 is arranged on one side, away from each other, of the two bearing rails 1, and the drainage hole 3043 is formed in the side surface of each bearing rail 1 and between the two water diversion plates 3041.

The upper surface of the water diversion plate 3041 is flush with the highest surface of the roadbed main body 3, the water diversion plate 3041 divides a plurality of honeycomb structures with strong stability between the two bearing sleepers 303, and one end of the water diversion plate 3041 close to the bearing rail 1 is open.

The working principle is as follows: the highway subgrade structure capable of preventing subgrade softening is provided with bearing rails 1 directly contacting with the ground at the bottom of a subgrade, the approximate state of the subgrade is determined by fixing the two bearing rails 1, a subgrade main body 3 capable of preventing water is connected between the two bearing rails 1 to form a main body structure of the subgrade, the bearing rails 1 are matched with a bearing wall 3011 to play a main bearing role, a plurality of triangular spaces are arranged in the bearing rails for filling a filling layer 302, the bearing capacity of the device is increased by utilizing the stable shape of the triangles, a clay layer 3021 which is easy to deform due to water seepage is arranged below a water-proof sloping plate 3012, so that the characteristic of strong stability of the clay layer 3021 is exerted, a gravel shock-absorbing layer 3022 which is difficult to deform due to water seepage is arranged above the water-proof sloping plate 3012 to play a buffering role, the buffering capacity of the subgrade is increased, and a water guide and drainage structure 304 is arranged to form a complete drainage system, can better avoid the problem of water seepage and softening of the roadbed.

And when the utility model discloses the device uses, bearing rail 1 is trapezoidal main part 101 and the combination of extending flank 102, thereby both have the effect of enlarging and reducing the unit area pressure with ground area of contact on the one hand, on the other hand conveniently utilizes fixed column 2 to fix the roughly shape of road bed, it leads to the road bed to warp to prevent to take place to slide, moreover most structure all adopts the strong principle design of triangle structural stability in this device, evenly conduct the vehicle impact force that road bed main part 3 received on the contact surface of device and ground or filling layer 302, can avoid the impact force to cause the road bed to warp, through setting up water proof swash plate 3012 that makes things convenient for rivers, play the drainage effect well when preventing precipitation infiltration muck layer 3021, avoid muck layer 3021 to warp.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A highway subgrade structure capable of preventing subgrade softening is characterized by comprising:

the device comprises a bearing rail (1), wherein a fixing column (2) penetrates through the side surface of the bearing rail (1);

roadbed main part (3), roadbed main part (3) are fixed to be set up between two bearing rail (1), roadbed main part (3) include water-stop sheet (301), filling layer (302), bearing sleeper (303) and drainage structures (304) lead, water-stop sheet (301) fixed connection is between two bearing rail (1), the upper and lower side of water-stop sheet (301) is provided with filling layer (302) respectively, the last fixed surface of water-stop sheet (301) is provided with bearing sleeper (303), the fixed drainage structures (304) that lead that is provided with in top of water-stop sheet (301).

2. A highway substructure capable of preventing subgrade softening according to claim 1, wherein: the bearing rail (1) comprises a trapezoid main body (101) and an extension side wing (102), the extension side wing (102) is symmetrically and fixedly arranged on two inclined planes of the trapezoid main body (101), and a fixing hole (4) matched with the fixing column (2) is formed in the upper surface of the extension side wing (102) in a penetrating mode.

3. A highway substructure capable of preventing subgrade softening according to claim 1, wherein: the water-stop plate (301) comprises a bearing wall (3011), a water-stop inclined plate (3012) and a connecting plate (3013), the side face of the top end of the bearing wall (3011) is fixedly connected with the water-stop inclined plate (3012), one side, away from the bearing wall (3011), of the water-stop inclined plate (3012) is fixedly connected with the connecting plate (3013) matched with the bearing rail (1), and the fixing column (2) penetrates through the connecting plate (3013) and fixedly connects the connecting plate (3013) with the bearing rail (1).

4. A highway substructure capable of preventing subgrade softening according to claim 1, wherein: the filling layer (302) comprises an clay layer (3021) and a gravel shock-absorbing layer (3022), wherein the clay layer (3021) is arranged below the water-stop sheet (301), and the gravel shock-absorbing layer (3022) is arranged above the water-stop sheet (301).

5. A highway substructure capable of preventing subgrade softening according to claim 1, wherein: the water guide and drainage structure comprises a plurality of bearing sleepers (303) which are fixedly arranged on an inclined plane of a water stop plate (301) in parallel, wherein the water guide and drainage structure (304) comprises a water guide plate (3041), a flow guide channel (3042) and a drainage hole (3043), the water guide plate (3041) is fixedly arranged between the two bearing sleepers (303), the flow guide channel (3042) is arranged on one side, away from each other, of the two bearing rails (1), and the drainage hole (3043) is formed in the side surface of each bearing rail (1) and located between the two water guide plates (3041).

6. A highway roadbed structure capable of preventing roadbed softening according to claim 5, wherein: the upper surface of the water diversion plate (3041) is flush with the highest surface of the roadbed main body (3), a plurality of honeycomb structures with high stability are arranged between the two bearing sleepers (303) at intervals on the water diversion plate (3041), and one end, close to the bearing rail (1), of the water diversion plate (3041) is open.