CN211036590U

CN211036590U - Roadbed protective structure permeates water

Info

Publication number: CN211036590U
Application number: CN201921620402.6U
Authority: CN
Inventors: 李慧林; 郭蓉
Original assignee: Dongguan Hongyu Century Construction Engineering Co ltd
Current assignee: Dongguan Hongyu Century Construction Engineering Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-07-17
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to a roadbed protective structure permeates water, including laying roadbed and curb side slope on the ground, the curb side slope is located the both sides wall that the roadbed is relative, it protects the bank protection to be provided with the curb on the curb side slope, it has laid the waterproof board to be provided with protection slope road bed surface on the curb protection bank protection, the permeable membrane has been laid on the waterproof board surface, the permeable membrane surface has been laid the permeable asphalt pavement, the edge of permeable asphalt pavement is provided with the rail guard, a plurality of outlets have been seted up to the bottom of rail guard, the vertical wash port of having seted up in permeable asphalt pavement, be provided with a plurality of collector pipes in the roadbed, the collector pipe runs through the waterproof board and cooperates with the sealed of waterproof board lateral wall, be provided with the drain pipe in the roadbed, the drain pipe stretches out protection slope surface, collector. The utility model has the advantages that: the utility model discloses can be rapid get rid of ponding on the road surface, improve the drainage ability on road surface.

Description

Roadbed protective structure permeates water

Technical Field

The utility model belongs to the building engineering field especially relates to a roadbed protective structure permeates water.

Background

Roadbed, the structure that directly supports the road formed by filling or digging. The roadbed is connected with the bridge and the tunnel to jointly form a circuit. The subgrade has two basic forms according to different terrain conditions: embankment and cutting, commonly known as fill and excavation. The roadbed mainly has the functions of providing necessary conditions for train or travelling operation, bearing static load and dynamic load of rolling stock or road surface and traffic load, and transmitting and diffusing the load to the deep part of the foundation.

Generally, guard rails are arranged on two sides of a road, and the guard rails are generally two types, one type is a steel guard rail, and the other type is a concrete guard rail, wherein the strength of the concrete guard rail is greater than that of the steel guard rail. On the mountain roads, because the two sides of the roads are cliff cliffs, concrete protective guards with strong strength are required to be installed on the two sides of the roads for driving safety. Due to the existence of the concrete guard rail, the drainage effect of the road surface is poor, and under the condition of long-time rain, more accumulated water is easy to accumulate on the road surface, and the road is easy to slip when a vehicle passes by, so that potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a roadbed protective structure permeates water can discharge in the short time and pile up the ponding on the road surface, improves the drainage ability on road surface.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a permeable roadbed protective structure comprises a roadbed paved on a foundation and a roadbed shoulder slope, wherein the roadbed shoulder slope is positioned on two opposite side walls of the roadbed, the roadbed shoulder slope is provided with a roadbed shoulder protection slope, the roadbed shoulder protection slope is provided with a protection slope, a waterproof plate is paved on the surface of the roadbed, a permeable membrane is paved on the surface of the waterproof plate, a permeable asphalt pavement is paved on the surface of the permeable membrane, the edge of the permeable asphalt pavement is provided with a protective guard, the bottom of the protective guard is provided with a plurality of water outlets which are communicated with the surface of the permeable asphalt pavement, the permeable asphalt pavement is vertically provided with a drain hole penetrating through the permeable asphalt pavement, a plurality of water collecting pipes are arranged in the roadbed, the water collecting pipes penetrate through the waterproof plate and are in sealing fit with the side wall of the waterproof plate, and a drain pipe is arranged in the roadbed, the drain pipe stretches out the protection slope surface, the water collecting pipe is communicated with the drain pipe, and the drain pipe is communicated with the protection slope surface.

Through adopting above-mentioned technical scheme, when there is ponding in the water permeability bituminous paving, the outlet of rail guard bottom is flowed through to some ponding, with ponding drainage to protection slope surface, and the water permeability bituminous paving is usually based on the coarse aggregate of single particle diameter, can be rapid from the inside ponding of walking away the road surface, ponding flows through inside and the wash port of water permeability bituminous paving, and through the permeable membrane with surface ponding drainage to the waterproof board surface rapidly, ponding passes through permeable membrane flow direction collector intraductal, later flow direction drain pipe, it is domatic to flow to last slope protection, thereby rapid with the ponding discharge on the road surface, the waterproof board can keep off the ponding on the waterproof board surface, and ponding can not see through the waterproof board, can play certain guard action to the roadbed.

The utility model discloses further set up to: the road shoulder protection slope comprises a road shoulder concrete layer, a metal net, a waterproof membrane and a soil layer which are laid from bottom to top, wherein the road shoulder concrete layer, the metal net, the waterproof membrane and the soil layer are all obliquely arranged, the metal net is arranged in the road shoulder concrete layer, and the road shoulder concrete layer is laid on the surface of the road shoulder slope.

Through adopting above-mentioned technical scheme, the setting of curb concrete layer can increase the intensity of curb protection bank protection, and the setting of water proof membrane can prevent that ponding from soaking in the curb concrete layer, can play certain guard action to the curb protection bank protection, and the fixed metal mesh that sets up in the curb concrete layer is favorable to improving the intensity and the stability of curb concrete layer to improve the protective structure and to the protective capacities of curb side slope and road bed.

The utility model discloses further set up to: the protection slope sets up on the soil layer, the mounting groove has been seted up in the slope of protection slope top surface, the domatic inclination of mounting groove with the domatic inclination of protection slope is the same, the both sides wall that the mounting groove is relative is crooked setting, be provided with a plurality of hexagonal reinforcement piece in the mounting groove, reinforcement piece pile in the mounting groove surface, reinforcement piece's lateral wall with the lateral wall butt of mounting groove, it is adjacent the mutual butt of lateral wall of reinforcement piece.

Through adopting above-mentioned technical scheme, the setting of reinforcement piece can increase the intensity of protection slope to increase the intensity of road shoulder side slope and road shoulder protection slope protection.

The utility model discloses further set up to: the utility model discloses a road shoulder protection slope surface, including protection slope surface, mounting groove, drain tank, mounting groove both sides, the drain tank water inlet is located the domatic top of curb protection slope, drain pipe and drain tank intercommunication, the escape canal has been seted up to the ground, the escape canal is located the road bed both sides, the drain tank with the escape canal intercommunication.

Through adopting above-mentioned technical scheme, the ponding of road surface both sides flows into the water drainage tank from the wash port discharge back, later through water drainage tank flow direction escape canal, and the ponding in the drain pipe also flows to the escape canal through the water drainage tank for the discharge rate of surface ponding.

The utility model discloses further set up to: the drainage ditch lower extreme is provided with the supporting groove, the supporting groove is put through with the escape canal.

Through adopting above-mentioned technical scheme, the setting up of tributary groove has not only played the reposition of redundant personnel effect, still is favorable to slowing down the velocity of flow of water drainage tank rivers, reduces rivers and plays certain guard action to water drainage tank's washing away, to protecting the slope.

The utility model discloses further set up to: the reinforcing block is provided with a plurality of drainage holes.

Through adopting above-mentioned technical scheme, the setting up of hydrophobic hole can make the discharge mounting groove of ponding more quick in the mounting groove.

The utility model discloses further set up to: the road bed includes road bed concrete layer, fine grit gravel layer and the rubble bed course of up laying down from the down, road bed concrete layer lays in the ground surface, the drain pipe sets up in fine grit gravel in situ.

Through adopting above-mentioned technical scheme, the setting up on road bed concrete layer makes the road bed have better resistance to compression and bearing capacity.

To sum up, the utility model discloses a beneficial technological effect does:

1. when there is ponding in the water permeability bituminous paving, the outlet of rail guard bottom is flowed through to some ponding, with ponding drainage to protection slope surface, inside and the wash port of water permeability bituminous paving is flowed through to ponding, and discharge surface ponding to the waterproof board surface rapidly through the membrane of permeating water, in ponding passes through the membrane flow direction collector that permeates water, later flow direction drain pipe, it is domatic to flow to last slope protection, thereby rapid with the ponding discharge on the road surface, the waterproof board can keep off the ponding on the waterproof board surface, and ponding can not see through the waterproof board, can play certain guard action to the roadbed.

2. The ponding of road surface both sides flows in the water drainage tank from the wash port discharge back, later through water drainage tank flow direction escape canal, and the ponding in the drain pipe also flows to the escape canal through the water drainage tank for the discharge rate of surface ponding, the setting up of hydrophobic hole can make the faster discharge mounting groove of the ponding in the mounting groove.

Drawings

Fig. 1 is a sectional view of a permeable roadbed protective structure;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a schematic view of a drainage screen of a permeable subgrade protective structure;

fig. 4 is a top view of a permeable roadbed protective structure;

fig. 5 is a schematic view of a reinforcing block of the permeable roadbed protective structure.

In the figure, 1, foundation; 2. a roadbed; 3. a road shoulder side slope; 4. protecting the slope by road shoulders; 5. slope protection is prevented; 6. protecting the fence; 7. a waterproof sheet; 8. a water permeable asphalt pavement; 9. a drain hole; 10. a water permeable membrane; 11. a water collection pipe; 12. a drain pipe; 13. a water discharge tank; 14. a drainage ditch; 15. a water outlet; 16. supporting a groove; 17. a road shoulder concrete layer; 18. a metal mesh; 19. a water-resistant film; 20. a soil layer; 21. mounting grooves; 22. a reinforcing block; 23. a hydrophobic pore; 24. a roadbed concrete layer; 25. a fine grit layer; 26. and (5) a gravel cushion layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a roadbed protective structure permeates water, including vertically laying roadbed 2 and the curb side slope 3 on ground 1, curb side slope 3 is located roadbed 2's both sides, and the both sides wall laminating relative with roadbed 2. The surface of the roadbed 2 is laid with a waterproof board 7, and the waterproof board 7 is provided with a water-permeable asphalt pavement 8. 3 upper berths of curb side slope are equipped with curb

protection bank protection

4, and 4 upper berths of curb protection bank protection are equipped with protection slope 5, and the upper surface and the 5 tops of protection slope of water permeability bituminous paving 8 are connected. And a protective guard 6 is fixed on the edge of the water-permeable asphalt pavement 8, and the protective guard 6 is vertically arranged.

Referring to fig. 1 and 2, a water-permeable asphalt pavement 8 is vertically provided with a drain hole 9 penetrating the water-permeable asphalt pavement 8. The surface of the waterproof board 7 is covered with a permeable membrane 10, the permeable membrane 10 is positioned between the waterproof board 7 and the permeable asphalt pavement 8, and the lower end of the drain hole 9 is attached to the permeable membrane 10. Vertically be provided with a plurality of collector pipes 11 in road bed 2, the vertical side that runs through waterproof board 7 of collector pipe 11, the sealed cooperation of collector pipe 11 lateral wall and waterproof board 7 lateral wall, the upper end and the membrane 10 laminating of permeating water of collector pipe 11. The drainage pipes 12 are horizontally embedded in the roadbed 2 and the road shoulder protection slope 4, the lower ends of the water collection pipes 11 are communicated with the drainage pipes 12, and the drainage pipes 12 are communicated with the slope surfaces of the protection slopes 5 on the two sides.

The water-permeable asphalt pavement 8 mainly comprises coarse aggregates with single particle size, and the main component of the water-permeable asphalt pavement 8 is graded asphalt mixture, so that the water-permeable asphalt pavement 8 has good water permeability and can rapidly drain accumulated water from the inside of the water-permeable asphalt pavement 8. The accumulated water passes through the inside of the water-permeable asphalt pavement 8 and the drain hole 9, and the accumulated water on the pavement is quickly drained away. When ponding rivers to wash port 9 bottoms, ponding permeates 7 surfaces of waterproof board through permeable membrane 10, and permeable membrane 10 can make rivers flow at 7 surfaces of waterproof board, and when rivers flow to the 11 water inlets of collector pipe, rivers enter into in the collector pipe 11, rivers along 11 flow direction drain pipes 12 of collector pipe, and it is domatic that slope protection 5 is prevented to final flow direction.

Referring to fig. 2 and 3, the bottom of the guard rail 6 is horizontally provided with water outlets 15 which are longitudinally arranged, and the water outlets 15 are communicated with the surface of the water-permeable asphalt pavement 8. The accumulated water on the two sides of the water-permeable asphalt pavement 8 flows through the water outlet 15 at the bottom of the protective fence 6 and is discharged to the slope surface of the protective slope 5 through the water outlet 15.

At the domatic water drainage tank 13 of having seted up of protection slope 5, water inlet of water drainage tank 13 is located the domatic top of protection slope 5, and the ponding of 8 both sides of water permeability bituminous paving can flow to in the water drainage tank 13. A drainage ditch 14 is formed in the foundation 1, the drainage ditch 14 is located on two sides of the foundation 2, the length direction of the drainage ditch 14 is perpendicular to the length direction of the drainage groove 13, and water flow in the drainage groove 13 flows into the drainage ditch 14 from the bottom end of the drainage groove 13. The drain pipe 12 is connected to the drain tank 13, and the water in the drain pipe 12 is discharged from the outlet of the drain pipe 12 into the drain tank 13 and finally flows to the drain 14.

A branch groove 16 is provided at the lower end of the drain groove 13, and the branch groove 16 is positioned above the drain ditch 14. The branch grooves 16 can play a certain shunting role, when water flow in the water drainage grooves 13 is turbulent, the branch grooves 16 can slow down the flow velocity of the water flow in the water drainage grooves 13, reduce the scouring of the water flow to the downstream of the water drainage grooves 13, and play a certain protection role on the protection slope 5.

Referring to fig. 2, the shoulder protection slope 4 includes a shoulder concrete layer 17, a metal mesh 18, a waterproof membrane 19 and a soil layer 20 laid from bottom to top, the shoulder concrete layer 17, the metal mesh 18, the waterproof membrane 19 and the soil layer 20 are all obliquely arranged, the metal mesh 18 is pre-embedded in the shoulder concrete layer 17, and the shoulder concrete layer 17 is laid on the surface of the shoulder slope 3.

Road shoulder concrete layer 17 has higher intensity, can increase the intensity of road shoulder protection slope 4, and during waterproof membrane 19's setting can prevent ponding infiltration road shoulder concrete layer 17, play certain guard action to road shoulder protection slope 4, pre-buried metal mesh 18 that has in the road shoulder concrete layer 17, the metal mesh 18 be provided with and do benefit to the intensity and the stability that improve concrete layer 20, can improve protective structure to the protective capacities of road shoulder side slope 3 and road bed 2.

Referring to fig. 3, the protection slope 5 is laid on the surface of the soil layer 20, and the installation groove 21 is formed in the surface of the protection slope 5, and the inclination angle of the bottom surface of the installation groove 21 is equal to that of the protection slope 5. Two opposite side walls of the mounting groove 21 are arranged in a bending way. Hexagonal reinforcing blocks 22 which are piled up are arranged in the mounting groove 21, the reinforcing blocks 22 are piled up in the mounting groove 21, the outer side wall of each reinforcing block 22 is abutted against the side wall of the mounting groove 21, and two adjacent piled up reinforcing blocks 22 are abutted against each other. The arrangement of reinforcing block 22 can increase the structural strength of protection slope 5 to increase the intensity of curb side slope 3 and curb protection slope 4.

Referring to fig. 3 and 4, the side walls of the reinforcing blocks 22 are opened with water-repellent holes 23, and when the outer side walls of the two reinforcing blocks 22 abut against each other, the water-repellent holes 23 of the two reinforcing blocks 22 are in a connected state, allowing water to pass through. The arrangement of the drainage hole 23 can accelerate the accumulated water in the mounting groove 21 to be quickly discharged out of the mounting groove 21, and the drainage performance is improved.

Referring to fig. 1, the roadbed 2 comprises a roadbed concrete layer 24, a fine sand gravel layer 25 and a broken stone cushion layer 26 which are laid from bottom to top, the roadbed concrete layer 24 is laid on the surface of the roadbed 2, the waterproof plate 7 is laid on the surface of the broken stone cushion layer 26, the drain pipe 12 is arranged in the fine sand gravel layer 25, the roadbed concrete layer 24 has high strength, and the compression resistance and the bearing performance of the roadbed 2 can be improved.

The implementation principle of the embodiment is as follows: ponding flows to waterproof board 7 surface through the inside of water permeability bituminous paving 8 and wash port 9, and ponding permeates to in the collector pipe 11 through permeable membrane 10, and ponding flows along collector pipe 11, later collects at drain pipe 12, then flows to water drainage tank 13, and the ponding of water permeability bituminous paving 8 both sides passes through outlet 15 of rail guard 6 bottom, flows to water drainage tank 13 in, finally flows to escape canal 14.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A permeable roadbed protection structure comprises a roadbed (2) paved on a foundation (1) and a road shoulder side slope (3), wherein the road shoulder side slope (3) is positioned on two opposite side walls of the roadbed (2), a road shoulder protection slope (4) is arranged on the road shoulder side slope (3), and a protection slope (5) is arranged on the road shoulder protection slope (4); the method is characterized in that: waterproof boards (7) are paved on the surface of the roadbed (2), permeable membranes (10) are paved on the surfaces of the waterproof boards (7), permeable asphalt pavement (8) is paved on the surfaces of the permeable membranes (10), protective guards (6) are arranged on the edges of the permeable asphalt pavement (8), a plurality of water outlets (15) are formed in the bottoms of the protective guards (6), the water outlets (15) are communicated with the surfaces of the permeable asphalt pavement (8), drain holes (9) penetrating through the permeable asphalt pavement (8) are vertically formed in the permeable asphalt pavement (8), a plurality of water collecting pipes (11) are arranged in the roadbed (2), the water collecting pipes (11) penetrate through the waterproof boards (7) and are in sealing fit with the side walls of the waterproof boards (7), drain pipes (12) are arranged in the roadbed (2), and the drain pipes (12) extend out of the surface of the protective slope (5), the water collecting pipe (11) is communicated with the drain pipe (12), and the drain pipe (12) is communicated with the surface of the protective slope (5).

2. The permeable roadbed protective structure of claim 1, wherein: curb protects bank protection (4) includes curb concrete layer (17), metal mesh (18), water proof membrane (19) and soil layer (20) of laying from bottom to top, curb concrete layer (17), metal mesh (18), water proof membrane (19) and soil layer (20) all are the slope setting, metal mesh (18) set up in curb concrete layer (17), curb concrete layer (17) are laid in curb side slope (3) surface.

3. The permeable roadbed protective structure of claim 2, wherein: prevent bank protection (5) and set up on soil layer (20), mounting groove (21) have been seted up in slope of slope protection (5) top surface, the domatic inclination of mounting groove (21) with prevent that slope protection (5) is the same, the both sides wall that mounting groove (21) is relative is crooked setting, be provided with a plurality of hexagonal in mounting groove (21) and add reinforcing block (22), add reinforcing block (22) pile in mounting groove (21) surface, add the lateral wall of reinforcing block (22) with the lateral wall butt of mounting groove (21), it is adjacent the mutual butt of lateral wall of reinforcing block (22).

4. A permeable roadbed protective structure according to claim 3, characterized in that: prevent bank protection (5) surface and seted up water drainage tank (13), water drainage tank (13) are located mounting groove (21) both sides, water drainage tank (13) water inlet is located the domatic top of curb protection bank protection (4), drain pipe (12) and water drainage tank (13) intercommunication, escape canal (14) have been seted up in ground (1), escape canal (14) are located road bed (2) both sides, water drainage tank (13) with escape canal (14) intercommunication.

5. The permeable roadbed protective structure of claim 4, wherein: the lower end of the drainage groove (13) is provided with a branch groove (16), and the branch groove (16) is communicated with the drainage ditch (14).

6. The permeable roadbed protective structure of claim 4, wherein: the reinforcing block (22) is provided with a plurality of water drainage holes (23).

7. The permeable roadbed protective structure of claim 1, wherein: roadbed (2) include from down up the road bed concrete layer (24) of laying, fine sand gravel layer (25) of powder and rubble bed course (26), ground (1) surface is laid in road bed concrete layer (24), drain pipe (12) set up in fine sand gravel layer (25) of powder.