CN113389104A - Pavement drainage system and construction method thereof - Google Patents

Abstract

The invention provides a pavement drainage system and a construction method thereof, wherein the pavement drainage system comprises a drainage pipe, a roadbed, an obliquely arranged pavement and a protective slope arranged at the relative low side of the pavement, the pavement is laid on the upper side of the roadbed, the drainage pipe is embedded into the roadbed and the protective slope, the pavement is provided with a flow guide hole, the flow guide hole is connected with the drainage pipe, and the water outlet end of the drainage pipe extends to the relative low side of the protective slope; the surface of the revetment is provided with a slideway arranged along the inclined direction of the revetment. The invention realizes that the rainwater on the road surface and the slope protection flows and is discharged rapidly through the flow guide holes, the drain pipes and the slide ways, thereby improving the drainage efficiency, further effectively preventing the rainwater from scouring and permeating the road surface and the slope protection, ensuring the quality of the road surface and the slope protection and ensuring the driving safety.

Description

Pavement drainage system and construction method thereof

Technical Field

The invention relates to the technical field of pavement drainage, in particular to a pavement drainage system and a construction method thereof.

Background

Along with the development of highway construction, the influence of road drainage on the highway is increasingly prominent; due to the water accumulation on the highway, the friction between a vehicle running at high speed and the ground is reduced, so that the side length of the braking distance is caused, potential safety hazards exist, and the safety running of the vehicle is not guaranteed; in addition, when the vehicle passes through the ponding road section at a high speed, the ponding area pressed by the tires of the vehicle can form water mist which is sprayed on subsequent vehicles, so that the sight of the subsequent vehicle drivers is blocked, the subsequent vehicles cannot normally run, and the driving danger is increased.

The existing drainage mode of the expressway is mainly characterized in that a drainage ditch and an isolation strip are arranged on the roadside of the expressway, and when water is accumulated on the pavement of the expressway, the accumulated water flows to a water falling port and the isolation strip so as to achieve the drainage effect. However, the existing mode has low drainage efficiency and low speed, and accumulated water is easy to permeate into the roadbed and the revetment of the highway, so that the quality of the highway is influenced.

Disclosure of Invention

The invention provides a road surface drainage system and a construction method thereof, which are used for solving the defects that the road in the prior art is told that the drainage efficiency is low and the road foundation and the revetment are damaged by infiltration, realizing the improvement of the drainage efficiency of the road surface, preventing the roadbed and the revetment from being washed and damaged by the rainwater and ensuring the quality of the road surface.

The invention provides a pavement drainage system, which comprises a drainage pipe, a roadbed, an obliquely arranged pavement and a protective slope arranged at the relative low side of the pavement, wherein the pavement is laid on the upper side of the roadbed;

the surface of bank protection is equipped with the slide that sets up along its incline direction.

According to the pavement drainage system provided by the invention, the slideway is internally provided with the dredging hole, and the dredging hole is connected with the drainage pipe.

According to the pavement drainage system provided by the invention, a plurality of slide ways are arranged at equal intervals, and a planting groove is arranged between every two adjacent slide ways.

According to the pavement drainage system provided by the invention, the slideway comprises a concrete layer and a floor paint layer, and the floor paint layer is laid on the upper side of the concrete layer.

According to the pavement drainage system provided by the invention, the reinforcing part is arranged on the periphery of the diversion hole, the depth of the diversion hole is 2-3 m, and the depth of the reinforcing part is 1-1.5 m.

According to the pavement drainage system provided by the invention, a middle fence is arranged on one side of the pavement, which is far away from the revetment, along the length direction of the pavement, a guardrail is arranged on one side of the pavement, which is near to the revetment, along the length direction of the pavement, and the guardrail is provided with an opening.

According to the pavement drainage system provided by the invention, the plurality of flow guide holes are arranged along the length direction of the pavement, the plurality of openings are arranged along the length direction of the guardrail, the plurality of slide ways are arranged along the length direction of the revetment, and the flow guide holes, the openings and the slide ways are in one-to-one correspondence.

According to the pavement drainage system provided by the invention, the separation net is arranged at the inlet of the diversion hole.

According to the pavement drainage system provided by the invention, the inclination angle of the pavement is 2-3 degrees, and the inclination angle of the revetment is 25-30 degrees.

The invention also provides a construction method of the pavement drainage system, which comprises the following steps:

paving the roadbed, paving a road surface on the upper side of the roadbed according to a set inclination angle, and arranging the revetment on the relative low side of the road surface, wherein the bottom side of the revetment is flush with the bottom side of the roadbed, and the top side of the revetment is flush with the relative low side of the road surface;

the drainage pipe is embedded in the roadbed and the revetment in advance, the pavement is provided with the diversion hole connected with the drainage pipe, and the water outlet end of the drainage pipe extends to the relative low side of the revetment;

and paving the slide way on the surface of the revetment along the inclination direction of the revetment.

The invention provides a pavement drainage system and a construction method thereof.A drainage pipe, a roadbed, an obliquely arranged pavement and a revetment arranged at the relative low side of the pavement are arranged, the pavement is laid on the upper side of the roadbed, the drainage pipe is pre-embedded into the roadbed and the revetment, the pavement is provided with a flow guide hole, the flow guide hole is connected with the drainage pipe, and the water outlet end of the drainage pipe extends to the relative low side of the revetment; the surface of bank protection is equipped with the slide that sets up along its incline direction, realizes that the rainwater on road surface and the bank protection flows fast and gets rid of through water conservancy diversion hole, drain pipe and slide respectively, improves drainage efficiency, and then prevents effectively that the rainwater from to the road surface and the damage of the washing away and the infiltration of bank protection, guarantees the quality of road surface and bank protection, the guarantee driving safety.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a first perspective of a roadway drainage system provided by the present invention;

FIG. 2 is a schematic structural view from a second perspective of the roadway drainage system provided by the present invention;

FIG. 3 is a schematic cross-sectional view of a pavement drainage system provided by the present invention;

FIG. 4 is a schematic cross-sectional view of a slide in a pavement drainage system according to the present invention;

reference numerals:

1: a pavement; 2: a roadbed; 3: a middle fence;

4: a guardrail; 5: an opening; 6: slope protection;

7: a flow guide hole; 8: a reinforcing part; 9: separating the net;

10: a drain pipe; 11: planting grooves; 12: a slideway;

1201: a concrete layer; 1202: a floor paint layer; 13: and (4) thinning the hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following describes a pavement drainage system of the present invention with reference to fig. 1 to 4, which includes a drainage pipe 10, a roadbed 2, an obliquely disposed pavement 1, and a revetment 6 disposed at a relatively low side of the pavement 1, wherein the pavement 1 is laid on an upper side of the roadbed 2, the drainage pipe 10 is embedded into the roadbed 2 and the revetment 6, the pavement 1 is provided with a diversion hole 7, the diversion hole 7 is connected with the drainage pipe 10, and a water outlet end of the drainage pipe 10 extends to a relatively low side of the revetment 6;

the surface of the revetment 6 is provided with a slide 12 arranged along its inclination. It will be appreciated that the road surface 1 is laid on the upper side of the foundation 2 and that the thickness of the road surface 1 is smaller than the thickness of the foundation 2. Revetment 6 sets up in indiscriminate relative low side, and the bottom side of revetment 6 is flush with the bottom side of road bed 2, and the top side of revetment 6 is flush with the relative low side of road surface 1 for the rainwater of road surface 1 flows to revetment 6 along the incline direction of road surface 1 on, and gets rid of along the incline direction of revetment 6.

Wherein, drain pipe 10 is pre-buried to road bed 2 and bank protection 6 in, and drain pipe 10 sets up along the width direction of road bed 2 and bank protection 6. The road surface 1 is provided with a vertically arranged guide hole 7, the guide hole 7 is connected with a drain pipe 10, and the rainwater part on the road surface 1 is guided into the drain pipe 10. The play water end of drain pipe 10 extends to the relative low side department of bank protection 6, realizes discharging the rainwater, prevents that the rainwater from to the washing and infiltration damage of road surface 1, reduces the rainwater volume that flows to bank protection 6 simultaneously.

Further, the surface of bank protection 6 is equipped with the slide 12 that sets up along its incline direction, realizes in time getting rid of the partial rainwater that flows to bank protection 6 with road surface 1 and the rainwater that falls on bank protection 6, prevents that bank protection 6 from being damaged.

It is worth to be noted that the diversion holes 7 are respectively arranged on the two sides of the road surface 1, that is, the diversion holes 7 are respectively arranged on the relatively high side and the relatively low side of the road surface 1 and are both connected with the drainage pipe 10, so that the rainwater flowing on the road surface 1 is reduced as much as possible, the scouring destructive power is reduced, and the normal driving of the road surface 1 is ensured. The drain pipe 10 is obliquely arranged, so that the flowing speed of rainwater in the drain pipe 10 is increased, and the drainage efficiency is improved.

According to the drainage system of the pavement 1 provided by the invention, the slideway 12 is internally provided with the dredging hole 13, and the dredging hole 13 is connected with the drainage pipe 10. It can be understood that the vertical guide hole 13 is arranged in the slide rail 12, the guide hole 13 is connected with the drain pipe 10, the rainwater in the slide rail 12 is drained into the drain pipe 10, the rainwater amount in the slide rail 12 is reduced, the scouring force of rainwater on sliding is reduced, and the slide rail 12 is protected.

According to the pavement 1 drainage system provided by the invention, a plurality of slide ways 12 are arranged along the length direction of the revetment 6, and a planting groove 11 is arranged between every two adjacent slide ways 12. It can be understood that, in order to improve the drainage efficiency of the road surface 1, a plurality of slide ways 12 are provided along the length direction of the revetment 6, wherein the plurality of slide ways 12 are provided at equal intervals. Set up between two adjacent slides 12 and plant groove 11, every is planted groove 11 and is set up along the incline direction of bank protection 6, and the groove 11 is planted in the inflow of the small part rainwater on 1 road surface, supplies to plant the plant absorption in the groove 11, and most rainwater is got rid of through slide 12, improves the drainage efficiency on 1 road surface, improves bank protection 6's aesthetic measure simultaneously.

According to the drainage system of the pavement 1 provided by the invention, the slideway 12 comprises a concrete layer 1201 and a terrace paint layer 1202, and the terrace paint layer 1202 is laid on the upper side of the concrete layer 1201. It is understood that the slide 12 comprises a concrete layer 1201 laid on the surface of the revetment 6 and a floor paint layer 1202 laid on the upper side of the concrete layer 1201, wherein the thickness of the concrete layer 1201 is greater than the floor paint layer 1202. Concrete layer 1201 and terrace lacquer layer 1202 structure as an organic whole, the density of terrace lacquer layer 1202 is higher, can prevent rainwater infiltration bank protection 6, realizes the protection to bank protection 6.

According to the pavement 1 drainage system provided by the invention, the reinforcing part 8 is arranged on the periphery of the diversion hole 7, the depth of the diversion hole 7 is 2-3 m, and the depth of the reinforcing part 8 is 1-1.5 m. It can be understood that the periphery of the diversion hole 7 is provided with the reinforcing part 8, and the reinforcing part 8 is formed by pouring reinforced concrete to protect the diversion hole 7 and prevent rainwater from permeating into the pavement 1 and the roadbed 2 through the diversion hole 7. The depth of the diversion hole 7 is 2-3 meters, the depth of the reinforcing part 8 is 1-1.5 meters, the upper end surface of the diversion hole 7 and the upper end surface of the reinforcing part 8 are flush with the upper end surface of the road surface 1, and the lower end of the diversion hole 7 penetrates through the road surface 1 and extends into the road base. The depth of the diversion holes 7 and the depth of the reinforcement part 8 can be specifically set according to the thickness of the pavement 1 and the roadbed 2 so as to realize the stable connection of the diversion holes 7 and the drainage pipe 10. The diameter of the diversion hole 7 is smaller than that of the drain pipe 10, so that rainwater guided into the drain pipe 10 by the diversion hole 7 is smoothly discharged, and the drain pipe 10 is prevented from overflowing.

According to the drainage system of the pavement 1 provided by the invention, the side of the pavement 1, which is far away from the revetment 6, is provided with the middle fence 3 along the length direction of the pavement 1, the side of the pavement 1, which is near to the revetment 6, is provided with the guardrail 4 along the length direction of the pavement 1, and the guardrail 4 is provided with the opening 5. It will be appreciated that the side of the road surface 1 remote from the revetment 6, i.e. the relatively high side, is provided with a middle rail 3, which middle rail 3 is arranged along the length of the road surface 1 to intercept rainwater, so that rainwater flows from the relatively high side of the road surface 1 to the relatively low side thereof. The side of the road surface 1 adjacent to the slope protection 6, i.e. the opposite lower side of the road surface 1, is provided with a guardrail 4 for preventing vehicles from driving out of the road surface 1. The guardrail 4 is provided with openings 5 so that rainwater on the road surface 1 flows through the openings 5 onto the revetment 6. The height of the middle rail 3 is greater than the height of the guard rail 4.

According to the drainage system of the pavement 1 provided by the invention, a plurality of flow guide holes 7 are arranged along the length direction of the pavement 1, a plurality of openings 5 are arranged along the length direction of the guardrail 4, a plurality of slide ways 12 are arranged along the length direction of the revetment 6, and the flow guide holes 7, the openings 5 and the slide ways 12 are in one-to-one correspondence. It will be appreciated that the inner sides of the middle rail 3 and the guard rail 4 are respectively provided with a plurality of diversion holes 7, that is, the relatively high side and the relatively low side of the road surface 1 are respectively provided with a plurality of diversion holes 7, and the plurality of diversion holes are respectively arranged along the length direction of the road surface 1. Opening 5 sets up a plurality ofly along guardrail 4's length direction, and slide 12 sets up a plurality ofly along bank protection 6's length direction, and wherein, water conservancy diversion hole 7, opening 5 and slide 12 one-to-one, drain pipe 10 correspond two water conservancy diversion holes 7 of 1 width direction on road surface to correspond an opening 5 and a slide 12, realize getting rid of the rainwater on road surface 1 fast, carry the drainage efficiency on road surface 1.

It should be noted that the diversion hole 7 and the reinforcement portion 8 are located in the center of the opening, and the slide 12 is opposite to the center of the opening 5, so that the rainwater flows smoothly.

According to the drainage system of the pavement 1 provided by the invention, the inlet of the diversion hole 7 is provided with the separation net 9. It can be understood that the partition net 9 is arranged at the inlet of the flow guide hole 7, so that rainwater is filtered, sundries are prevented from blocking the flow guide hole 7 or the drain pipe 10, and smooth drainage is ensured.

According to the drainage system for the pavement 1, provided by the invention, the inclination angle of the pavement 1 is 2-3 degrees, and the inclination angle of the revetment 6 is 25-30 degrees. It can be understood that the inclination angle of the road surface 1 is 2-3 degrees, which ensures the smooth drainage of the rainwater on the road surface 1 and ensures the driving safety. The inclination angle of bank protection 6 is 25 degrees ~ 30 degrees, realizes that the rainwater on 1 road surface arranges to bank protection 6 on to get rid of by bank protection 6, simultaneously, the realization is to road surface 1 and road bed 2's protection, guarantees road surface 1 and road bed 2's quality.

The construction method of the drainage system of the road surface 1 provided by the present invention is described below, and the construction method of the drainage system of the road surface 1 described below and the drainage system of the road surface 1 described above may be referred to each other correspondingly.

The invention also provides a construction method of the pavement 1 drainage system, which comprises the following steps:

paving a roadbed 2, paving a pavement 1 on the upper side of the roadbed 2 according to a set inclination angle, and arranging a revetment 6 on the relative low side of the pavement 1, wherein the bottom side of the revetment 6 is flush with the bottom side of the roadbed 2, and the top side of the revetment 6 is flush with the relative low side of the pavement 1;

pre-burying a drain pipe 10 in the roadbed 2 and the revetment 6, arranging a flow guide hole 7 connected with the drain pipe 10 on the pavement 1, and extending the water outlet end of the drain pipe 10 to the relative low side of the revetment 6;

a slide 12 is laid on the surface of the revetment 6 in the direction of inclination of the revetment 6.

The invention provides a construction method of a pavement 1 drainage system, which comprises the following steps:

paving a roadbed 2, paving a pavement 1 with an inclination angle of 2-3 degrees on the upper side of the roadbed 2, and arranging a revetment 6 on the relative lower side of the pavement 1, wherein the inclination angle of the revetment 6 is 25-30 degrees, the bottom side of the revetment 6 is flush with the bottom side of the roadbed 2, and the top side of the revetment 6 is flush with the relative lower side of the pavement 1;

arranging a middle fence 3 on a relatively high side of the road surface 1 and along the length direction of the road surface 1, arranging a guardrail 4 on a relatively low side of the road surface 1 and along the length direction of the road surface 1, and arranging a plurality of openings 5 on the guardrail 4 along the length direction thereof to ensure that rainwater on the road surface 1 flows to a revetment 6 from the openings 5;

the drainage pipe 10 is obliquely pre-buried in the roadbed 2 and the revetment 6, the relatively high side and the relatively low side of the pavement 1 are respectively provided with a diversion hole 7, the diversion hole 7 is vertically arranged, the depth is 2-3 m, a reinforcing part 8 formed by pouring reinforced concrete is arranged on the periphery of the diversion hole 7 to realize the reinforced protection of the diversion hole 7, and the diversion hole 7 is connected with the drainage pipe 10 to realize the diversion of rainwater on the pavement 1 into the drainage pipe 10;

paving slideways 12 on the surface of the revetment 6 along the inclination direction of the revetment 6, arranging a plurality of slideways 12 along the length direction of the revetment 6, arranging planting grooves 11 between every two adjacent slideways 12, and arranging plants in the planting grooves 11;

when the slideway 12 is laid, a concrete layer 1201 is laid on the surface of the revetment 6, and then a terrace paint layer 1202 is laid on the surface of the concrete layer 1201; the inclination angle of the slide way 12 is the same as that of the revetment 6;

a vertically arranged dredging hole 13 is arranged in the slideway 12, and the dredging hole 13 is connected with the drain pipe 10;

the opening 5 of the diversion hole 7 is covered with a separation net 9, so that the rainwater entering the diversion hole 7 is filtered.

The invention provides a pavement drainage system and a construction method thereof.A drainage pipe, a roadbed, an obliquely arranged pavement and a revetment arranged at the relative low side of the pavement are arranged, the pavement is laid on the upper side of the roadbed, the drainage pipe is embedded into the roadbed and the revetment, the pavement is provided with a flow guide hole, the flow guide hole is connected with the drainage pipe, and the water outlet end of the drainage pipe extends to the relative low side of the revetment; the surface of bank protection is equipped with the slide that sets up along its incline direction, realizes that the rainwater on road surface and the bank protection flows fast and gets rid of through water conservancy diversion hole, drain pipe and slide respectively, improves drainage efficiency, and then prevents effectively that the rainwater from to the road surface and the damage of the washing away and the infiltration of bank protection, guarantees the quality of road surface and bank protection, the guarantee driving safety.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A pavement drainage system is characterized by comprising a drainage pipe, a roadbed, an obliquely arranged pavement and a protective slope arranged at the relatively low side of the pavement, wherein the pavement is laid on the upper side of the roadbed, the drainage pipe is embedded into the roadbed and the protective slope, the pavement is provided with a flow guide hole, the flow guide hole is connected with the drainage pipe, and the water outlet end of the drainage pipe extends to the relatively low side of the protective slope;

the surface of bank protection is equipped with the slide that sets up along its incline direction.

2. The road drainage system of claim 1, wherein a dredging hole is formed in the slide, and the dredging hole is connected with the drainage pipe.

3. The pavement drainage system according to claim 1, wherein a plurality of the slide ways are provided along a length direction of the revetment, and a planting groove is provided between two adjacent slide ways.

4. The pavement drainage system according to claim 1, wherein the slide includes a concrete layer and a floor paint layer, and the floor paint layer is laid on the upper side of the concrete layer.

5. The pavement drainage system according to claim 1, wherein a reinforcement is provided around the diversion holes, the diversion holes have a depth of 2 m to 3 m, and the reinforcement has a depth of 1 m to 1.5 m.

6. The pavement drainage system according to claim 1, wherein a middle fence is provided along a length direction of the pavement on a side of the pavement away from the revetment, and a guardrail is provided along a length direction of the pavement on a side of the pavement close to the revetment, the guardrail being provided with an opening.

7. The pavement drainage system according to claim 6, wherein the diversion holes are provided in plurality along a longitudinal direction of the pavement, the openings are provided in plurality along a longitudinal direction of the guardrail, the slide ways are provided in plurality along a longitudinal direction of the revetment, and the diversion holes, the openings, and the slide ways correspond one-to-one.

8. A pavement drainage system according to any one of claims 1 to 7, wherein a screen is provided at the inlet of the diversion holes.

9. A pavement drainage system according to any one of claims 1 to 7, wherein the slope angle of the pavement is 2 to 3 degrees, and the slope protection is 25 to 30 degrees.

10. A method of constructing a pavement drainage system as claimed in any one of claims 1 to 9, comprising the steps of:

paving the roadbed, paving a road surface on the upper side of the roadbed according to a set inclination angle, and arranging the revetment on the relative low side of the road surface, wherein the bottom side of the revetment is flush with the bottom side of the roadbed, and the top side of the revetment is flush with the relative low side of the road surface;

the drainage pipe is embedded in the roadbed and the revetment in advance, the pavement is provided with the diversion hole connected with the drainage pipe, and the water outlet end of the drainage pipe extends to the relative low side of the revetment;

and paving the slide way on the surface of the revetment along the inclination direction of the revetment.

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