CN212801076U

CN212801076U - Asphalt road structure

Info

Publication number: CN212801076U
Application number: CN202021187802.5U
Authority: CN
Inventors: 陆敏虹; 陈志华; 张小明; 李龙海
Original assignee: Guangzhou Huangpu Municipal Construction Co ltd
Current assignee: Guangzhou Huangpu Municipal Construction Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-26
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to an asphalt road structure, belonging to the field of road construction, which comprises an asphalt road structure and drainage ditches arranged at two sides of a road main body, wherein the road main body sequentially comprises a permeable asphalt layer, a permeable leveling layer, a waterproof concrete layer and a road base layer from top to bottom; this application has the effect of improving surface gathered water to improve the drainage effect.

Description

Asphalt road structure

Technical Field

The application relates to the field of road construction, in particular to an asphalt road structure.

Background

The road structure is a structure forming each layer of the road, and the road needs to bear the action of wheel load to keep the stability of the road; with the development of road construction, in addition to the ability of roads to resist damage, people have paid more attention to the drainage ability of roads.

Current road drainage is generally gone on through the escape canal of road both sides, and the rainwater falls behind the road surface of road, flows the escape canal of road both sides and discharges away, realizes the drainage, and such road structure is when rainstorm, and because the distance of road middle part and escape canal is great, the rainwater can not in time flow the escape canal, and the drainage effect is poor, causes the rainwater on road surface to gather easily, influences driving on the road surface or pedestrian's the passage.

SUMMERY OF THE UTILITY MODEL

In order to improve surface gathered water, improve the drainage effect, this application provides bituminous paving structure.

The application provides an asphalt road structure adopts following technical scheme:

bituminous paving constructs, including setting up in the escape canal of road main part both sides, the road main part from top to bottom includes the asphalt layer that permeates water, the screed-coat that permeates water, waterproof concrete layer and roadbed layer in proper order, be equipped with a plurality of drain pipes in the waterproof concrete layer, the both ends of drain pipe respectively with two the escape canal intercommunication, the screed-coat that permeates water is equipped with a plurality of and corresponding the oral siphon of drain pipe intercommunication.

Through adopting above-mentioned technical scheme, the rainwater falls behind the road surface, reachs the screed-coat that permeates water through the infiltration on the pitch layer that permeates water, again from the oral siphon flow in the drain pipe, then through the drain pipe inflow escape canal, realizes draining away of rainwater, consequently lies in the road pavement between the escape canal and also can realize the drainage to improve road surface ponding, improve drainage effect.

Preferably, the waterproof concrete layer is internally provided with a reservoir below the drain pipe, and water inlets communicated with the two drain ditches are respectively formed in two ends of the reservoir.

Through adopting above-mentioned technical scheme, when rainstorm and escape canal come too late to drain away the rainwater, the rainwater in escape canal can flow into the cistern, slows down the drainage pressure in escape canal, further reduces surface gathered water.

Preferably, the inlet pipes correspondingly arranged on each drain pipe are multiple and arranged along the length direction of the drain pipe.

Through adopting above-mentioned technical scheme, increase the oral siphon, help the rainwater in the screed-coat that permeates water to get into the drain pipe.

Preferably, the drain pipe is provided with the multiunit along direction of height, every group the drain pipe is provided with two, and two of each group the interval of drain pipe reduces gradually from top to bottom.

Through adopting above-mentioned technical scheme, increase the drain pipe, improve drainage efficiency, the mode of arranging between the drain pipe makes the drain pipe arrange more rationally at the same height simultaneously, improves waterproof concrete layer's structural stability.

Preferably, the middle part of the drain pipe protrudes upwards and inclines downwards towards the two ends.

Through adopting above-mentioned technical scheme, the rainwater behind the drain pipe of being convenient for get into flows into the escape canal.

Preferably, be equipped with the drinking-water pipe along the direction of height in the road main part, the one end of drinking-water pipe is located in the cistern, the other end are located the surface on the pitch layer of permeating water and be connected with water pump.

Through adopting above-mentioned technical scheme, after having amassed certain rainwater in the cistern, the suction pump accessible suction pipe is taken the rainwater out to carry out reutilization to the rainwater.

Preferably, the lateral wall of the inlet pipe is located a plurality of water through holes are formed in the distribution of the water permeable leveling layer, the inlet pipe is located on the end face of the water permeable leveling layer and the water through holes are provided with filter screens.

Through adopting above-mentioned technical scheme, the chance that the limbers increase rainwater gets into the oral siphon improves drainage efficiency, and the grit in the screed-coat that permeates water can be stopped to the filter screen.

Preferably, a plurality of supporting plates connected with the top wall and the bottom wall of the water storage tank are arranged in the water storage tank at intervals, and the circulating port is formed in the supporting plates.

Through adopting above-mentioned technical scheme, the roof of cistern can be supported to the backup pad, improves the structural stability of cistern.

Preferably, waterproof geotextile is arranged between the waterproof concrete layer and the roadbed layer.

Through adopting above-mentioned technical scheme, waterproof geotechnological cloth can reduce the rainwater infiltration of cistern to the roadbed layer and influence the condition of roadbed layer structure.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the rainwater falls on the surface of the road, the rainwater reaches the water-permeable leveling layer through the permeation of the water-permeable asphalt layer, then flows into the drainage pipe from the water inlet pipe, and then flows into the drainage ditch through the drainage pipe to realize the drainage of the rainwater, so that the road pavement between the drainage ditches can realize drainage, the accumulated water on the pavement is improved, and the drainage effect is improved;

2. the inside cistern that still is equipped with of waterproof concrete layer, when rainstorm and escape canal come too late to drain away the rainwater, the rainwater in escape canal can flow into the cistern, slows down the drainage pressure in escape canal to after the rainwater drains away through the escape canal, the rainwater of staying in the cistern can be taken away through the pump that draws water, with the reutilization rainwater.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of another angle in the embodiment of the present application.

Fig. 3 is a schematic perspective view of a water inlet pipe according to an embodiment of the present application.

Description of reference numerals: 1. a drainage ditch; 11. a water-permeable asphalt layer; 12. a permeable leveling layer; 13. a waterproof concrete layer; 14. waterproof geotextile; 15. a roadbed layer; 16. a rainwater grate; 2. a drain pipe; 21. a water inlet pipe; 22. a water through hole; 23. a filter screen; 3. a reservoir; 31. a water inlet; 32. a support plate; 33. a flow port; 34. a water pumping pipe; 35. and (5) pumping water.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses asphalt road structure. As shown in fig. 1, the asphalt road structure includes road main part and escape canal 1, escape canal 1 sets up in road main part along length direction's both sides, escape canal 1 with be used for discharging away the municipal rainwater pipeline intercommunication of rainwater, the road main part includes in proper order from top to bottom the asphalt layer 11 that permeates water, the screed 12 that permeates water, waterproof concrete layer 13, waterproof geotechnological cloth 14 and road bed layer 15, the screed 12 that permeates water is laid by the grit and is formed, escape canal 1 highly extends to the height on waterproof concrete layer 13 from the asphalt layer 11 that permeates water.

When raining, a part of rainwater falls on the road surface near the drainage ditch 1, the rainwater directly flows into the drainage ditch 1 to be drained away, the top of the drainage ditch 1 is provided with a rainwater grate 16, and the rainwater grate 16 can prevent large garbage from entering the drainage ditch 1, so that the blockage of the drainage ditch 1 is reduced; the other part of the rainwater falls on the road surface between the two drainage ditches 1, and the rainwater reaches the water-permeable leveling layer 12 through the penetration of the water-permeable asphalt layer 11 and flows towards the waterproof concrete layer 15 through the water-permeable leveling layer 12.

Install a plurality of drain pipes 2 in waterproof concrete layer 13, the both ends of drain pipe 2 communicate with two escape canals 1 respectively, the pipe wall intercommunication of drain pipe 2 has a plurality of oral siphon 21, oral siphon 21 arranges along the length direction interval of drain pipe 2, the vertical setting of oral siphon 21, oral siphon 21 wears to locate waterproof concrete layer 13, and the one end that oral siphon 21 kept away from drain pipe 2 extends to the bottom side of the screed-coat 12 that permeates water, when rainwater flows to the screed-coat 12 bottom side that permeates water, rainwater flows into oral siphon 21, and flow into drain pipe 2 through oral siphon 21, flow away to the escape canal 1 at both ends through drain pipe 2 again, thereby the rainwater of the road surface between the escape canal 1 is fallen to the row, improve road surface ponding, improve drainage effect.

As shown in fig. 1 and fig. 2, it is concrete, divide into a plurality of regions with waterproof concrete layer 13 along the length direction of road main part, all be provided with multiunit drain pipe 2 in each region, multiunit drain pipe 2 distributes along waterproof concrete layer 13's direction of height, every group drain pipe 2 all is equipped with two and two drain pipe 2's place highly uniform, two drain pipe 2's of each group interval from top to bottom reduces gradually, above-mentioned drain pipe 2's the mode of arranging is when increasing drain pipe 2 quantity, it is more reasonable to make drain pipe 2 arrange on the same height, thereby both improving drainage efficiency, improve waterproof concrete layer 13's structural stability again.

As shown in fig. 1, the middle portion of the drain pipe 2 is upwardly protruded, and the drain pipe 2 is downwardly inclined toward both ends along the middle portion, thereby forming a slope in the drain pipe 2, so that the rainwater flows toward the drain 1 under its own weight, and the rainwater is easily drained.

As shown in fig. 1 and 3, a plurality of water through holes 22 are formed in a portion of the side wall of the water inlet pipe 21, which is located on the permeable leveling layer 12, the water through holes 22 are distributed at intervals along the circumferential direction of the water inlet pipe 21, and rainwater flowing into the permeable leveling layer 12 can enter the water inlet pipe 21 through the pipe opening of the water inlet pipe 21 and the water through holes 22, so that the water inlet area of the water inlet pipe 21 is increased, and the rainwater on the permeable leveling layer 12 can be drained away; the filter screens 23 are fixed on the end faces of the water inlet pipes 21 positioned on the water permeable leveling layers 12 and the side walls of the water through holes 22, and the filter screens 23 can prevent sand and stones in the water permeable leveling layers 12 from entering the water inlet pipes 21, so that the blocking of the water inlet pipes 21 is reduced, and the normal drainage of the water inlet pipes 21 is kept.

As shown in fig. 1, be equipped with cistern 3 in waterproof concrete layer 13, cistern 3 is located drain pipe 2's below, water inlet 31 has all been seted up to cistern 3's both ends lateral wall, water inlet 31 is close to cistern 3's roof, two water inlets 31 communicate with two escape canals 1 respectively, when taking place torrential rain and escape canal 1 is too late to drain away the rainwater, escape canal 1's rainwater water level can rise, the water level is higher than the height of water inlet 31 until the rainwater, the rainwater can be discharged into cistern 3 this moment, cistern 3 plays the effect of temporary storage to the rainwater, slow down escape canal 1's drainage pressure, save the ponding on road surface in cistern 3 simultaneously, further improve the condition of surface ponding.

Waterproof geotechnical cloth 14 sets up between waterproof concrete layer 13 and roadbed layer 15, and waterproof geotechnical cloth 14 can effectively block the rainwater from 3 leakages of cistern, reduces the rainwater and permeates roadbed layer 15 and to 15 structural stability's of roadbed layer influence.

A plurality of supporting plates 32 are fixed in the reservoir 3, the supporting plates 32 are distributed at intervals along the width direction of the road main body, and two ends of each supporting plate 32 are respectively and vertically fixed on the top wall and the bottom wall of the reservoir 3, so that the reservoir 3 is supported, and the structural stability of the waterproof concrete layer 13 is enhanced; circulation port 33 is seted up at the middle part of backup pad 32, and circulation port 33's height is less than the height of water inlet 31, and the rainwater can pass through from circulation port 33 to make the rainwater in the cistern 3 can flow between backup pad 32, reduce the influence that backup pad 32 stored the rainwater to cistern 3.

As shown in fig. 1 and 2, the water pumping pipe 34 is installed along the height direction in the road body, the water pumping pipe 34 penetrates through the water-permeable asphalt layer 11, the water-permeable leveling layer 12 and the waterproof concrete layer 13, one end of the water pumping pipe 34 is located in the water storage tank 3 and is close to the bottom wall of the water storage tank 3, the other end of the water pumping pipe 34 is located on the surface, far away from the water-permeable leveling layer 12, of the water-permeable asphalt layer 11 and is connected with a water pumping pump 35, after heavy rain, rainwater accumulated in the water storage tank 3 can be pumped out through the water pumping pump 35 and the water pumping pipe 34, so that the rainwater in the water storage tank 3 is subjected to.

The implementation principle of the asphalt road structure of the embodiment of the application is as follows:

when raining, one part of rainwater falls to the road surface near the drainage ditch 1, the rainwater directly flows into the drainage ditch 1 to be discharged, the other part of rainwater falls to the road surface between the two drainage ditches 1, the rainwater reaches the water-permeable leveling layer 12 through the water-permeable asphalt layer 11, flows into the water inlet pipe 21, flows into the drainage pipe 2 through the water inlet pipe 21 and flows away to the drainage ditches 1 at the two ends through the drainage pipe 2, and therefore the rainwater falling to the road surface between the drainage ditches 1 is discharged; when taking place the torrential rain and escape canal 1 comes too late to drain away the rainwater, the rainwater water level of escape canal 1 can rise, then in discharging into cistern 3, cistern 3 plays the effect of temporary storage to the rainwater, slows down the drainage pressure in escape canal 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Asphalt road structure, including setting up in escape canal (1) of road main part both sides, its characterized in that: the road main part from top to bottom includes the asphalt layer (11) that permeates water, the screed-coat (12), the waterproof concrete layer (13) and the roadbed layer (15) of permeating water in proper order, be equipped with a plurality of drain pipes (2) in the waterproof concrete layer (13), the both ends of drain pipe (2) respectively with two escape canal (1) intercommunication, the screed-coat (12) of permeating water is equipped with a plurality ofly and corresponding intake pipe (21) of drain pipe (2) intercommunication.

2. The asphalt road structure of claim 1, wherein: lie in waterproof concrete layer (13) the below of drain pipe (2) is equipped with cistern (3), water inlet (31) with two escape canal (1) intercommunication are seted up respectively to the both ends of cistern (3).

3. The asphalt road structure of claim 1, wherein: each water inlet pipe (21) which is correspondingly arranged on the water discharge pipe (2) is provided with a plurality of water inlet pipes which are arranged along the length direction of the water discharge pipe (2).

4. The asphalt road structure of claim 1, wherein: the drain pipe (2) is provided with the multiunit along direction of height, every group drain pipe (2) are provided with two, and two of each group the interval of drain pipe (2) reduces gradually from top to bottom.

5. The asphalt road structure of claim 1, wherein: the middle part of the drain pipe (2) is upwards raised and downwards inclined towards the two ends.

6. The asphalt road structure of claim 2, wherein: be equipped with drinking-water pipe (34) along direction of height in the road main part, the one end of drinking-water pipe (34) is located in cistern (3), the other end is located the surface on the pitch layer (11) that permeates water just is connected with water pump (35).

7. The asphalt road structure of claim 1, wherein: the side wall of the water inlet pipe (21) is located a plurality of water through holes (22) are formed in the distribution of the water permeable leveling layer (12), the water inlet pipe (21) is located on the end face of the water permeable leveling layer (12) and the water through holes (22) are provided with filter screens (23).

8. The asphalt road structure of claim 2, wherein: the interval is provided with a plurality of in cistern (3) and connects backup pad (32) of cistern (3) roof and diapire, circulation mouth (33) have been seted up in backup pad (32).

9. The asphalt road structure of claim 1, wherein: and a waterproof geotextile (14) is arranged between the waterproof concrete layer (13) and the roadbed layer (15).