CN111877071A

CN111877071A - Prevent enhancement road bed road surface of ponding

Info

Publication number: CN111877071A
Application number: CN202010800774.8A
Authority: CN
Inventors: 刘国富; 陈祥; 李松彦; 鲁国俊; 赵中兴; 陈楠; 杨彦博; 李程; 周书贺; 龙珍珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2020-11-03

Abstract

The invention relates to the technical field of anti-ponding waterway bases, in particular to an anti-ponding reinforced roadbed and pavement. The invention aims to solve the technical problems that rainwater cannot drain timely due to overlarge drainage pressure of a cable channel, the water content of a road surface is high, and rainwater resources cannot be well utilized. In order to solve the technical problems, the invention provides a reinforced roadbed and pavement capable of preventing water accumulation, which comprises roadbed structures, wherein two sides of each roadbed structure are fixedly connected with drainage structures, one sides of the two drainage structures, which are opposite to each other, are inserted with permeable pipes, and one sides of the two drainage structures, which are opposite to each other, are fixedly connected with drainage pipes communicated with the interiors of the drainage structures.

Description

Prevent enhancement road bed road surface of ponding

Technical Field

The invention relates to the technical field of anti-ponding waterway bases, in particular to an anti-ponding reinforced roadbed and pavement.

Background

Whether the water drainage in the road surface and the road bed is smooth or not directly influences the overall strength of the road bed and the road surface structure, thereby influencing the bearing capacity and the service life of the road. The surface drainage of the road surface is mainly used for draining water falling on the surface of a road shoulder and the road surface so as to reduce the harm of accumulated water on the road surface; traditional road bed road surface generally adopts and carries out the drainage to road bed both sides escape canal, however, because the low-lying department that road surface vehicle rolled the cause still can store up ponding, and a long time, these ponding can erode the road surface, cause the damage of road surface and road bed, bring a great deal of adverse factor for highway bearing capacity and life.

The prior patent (publication number: CN108277712A) discloses a roadbed structure, which has at least the following problems that are not solved: 1. when the rainfall is too large, the water amount gathered to the cable channel is too large, and the condition that the rainwater cannot drain in time is easy to occur; 2. in seasons with excessive rainwater, the rainwater drainage quantity is large, although the drainage layer has strong permeability, the drainage layer still has certain water binding or water retaining capacity, the water content of the road surface can be maintained at a high level, and potential hazards are formed on the driving safety of passing vehicles; 3. rainwater resource direct discharge road surface can not utilize well, and in addition although adopting to dig in the road bed both sides among the part prior art and establish vertical drainage tank and carry out horizontal and vertical drainage, but can take place the reinforcing layer under the road surface after the road surface is rolled for a long time and take place towards this vertical drainage tank's landing gathering to arouse the support of road surface below not steady enough.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a reinforced roadbed and pavement capable of preventing water accumulation, and solves the problems that rainwater cannot drain timely due to overlarge drainage pressure of a cable channel, the water content of the pavement is high, rainwater resources cannot be well utilized, and the support under the pavement is not stable enough easily.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a reinforced roadbed and pavement capable of preventing water accumulation comprises a roadbed structure, wherein drainage structures are fixedly connected to two sides of the roadbed structure, a permeable pipe is inserted into one side of each drainage structure, a drainage pipe communicated with the inside of each drainage structure is fixedly connected to the opposite side of each drainage structure, the top of each drainage pipe is covered with a green soil layer, permeable holes penetrating through the inner wall of each drainage pipe are formed in two sides of the inner wall of each drainage pipe, the other end of each drainage pipe penetrates through the green soil layer and extends to the lateral side of each drainage pipe, the roadbed structure comprises a foundation layer, the foundation layer is fixedly connected between the two drainage structures, a waterproof layer, a diversion slope and a pavement layer are fixedly connected to the top of the foundation layer from bottom to top in sequence, a permeable layer and a reinforced layer are fixedly connected to two sides of the diversion slope from top to bottom in sequence, and the reinforced layer is made of, the pavement layer is made of a water-permeable asphalt layer, opposite ends of the two water-permeable pipes are respectively fixedly inserted into the water-permeable layers, the drainage structure comprises a drainage groove, a water leakage plate is lapped on the top end of the drainage groove, the lateral section of the drainage groove is of a U-shaped structure, a drainage slope is formed in the bottom of the inner wall of the drainage groove, drainage holes penetrating through the outer wall are formed in one sides, close to the diversion slope, of the inner walls of the two drainage grooves, a plurality of water-permeable holes are formed in the upper half parts of the water-permeable pipes, and the two water-permeable layers are respectively in through connection with the two drainage structures through the two water-permeable pipes;

the side section of the flow guide slope is of an isosceles trapezoid structure, the flow guide slope is formed by pouring concrete, an elastic layer is arranged on the contact surface of two inclined sections of a flow guide slope body and the reinforcing layer, the elastic layer adopts a non-uniform differential elastic design, and the elasticity of the elastic layer is gradually reduced along the descending direction of the two inclined sections.

Fifteen water permeable holes are formed in the upper half part of the water permeable pipe.

The both sides of drain pipe inner wall all set up the hole of permeating water that runs through to the outer wall, and the other end of drain pipe runs through the afforestation soil layer and extends to its avris.

(III) advantageous effects

The invention provides a reinforced roadbed and pavement capable of preventing water accumulation, which has the following beneficial effects:

(1) according to the invention, the outer edge of the built-in rigid body part adopts a differential elastic design, and the road surface can still be stably supported after the road surface is used for a long time on the basis that the drainage groove structures are arranged on the two sides.

(2) The whole water permeability of roadbed structure is good, but the sufficient water seepage function of leading of giving play to the road bed to guide through water conservancy diversion slope can be rapidly with rivers leading-in water drainage tank in through permeating water pipe and wash port, thereby make water drainage tank carry out effectual holding back and slow row to the rainwater, effectively reduce the drainage pressure of rainwater pipe network, strengthened road surface drainage performance and road bed steadiness ability.

(3) The three-layer permeable structure of the permeable pavement layer, the reinforcing layer and the permeable layer can well permeate rainwater on the pavement, and the rainwater can be directly drained into the drainage grooves through the water leaking plates on two sides when more rainwater exists, so that the rainwater is prevented from accumulating on the pavement to cause traffic accidents.

(4) The water drainage tank is disturbed little by the external load, and the rainwater that will collect through the drain pipe is concentrated to the retaining that has, the function of water, and the accessible permeates water the hole and irrigates to both sides afforestation soil layer infiltration when the discharge water yield is hour, can directly carry to concentrating the recovery pond when rivers are too big, has improved the cyclic utilization of rainwater.

Drawings

FIG. 1 is a front cross-sectional view of a structure of the present invention;

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

FIG. 3 is a top view of the permeable pipe of the present invention.

In the figure: 1. a roadbed structure; 101. a ground layer; 102. a waterproof layer; 103. a diversion slope; 104. a pavement layer; 105. a water permeable layer; 106. a reinforcing layer; 2. a drainage structure; 201. a water discharge tank; 202. a water leakage plate; 203. a drain hole; 3. a water permeable pipe; 4. a drain pipe; 5. and (5) greening the soil layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-3, the present invention provides a technical solution: a reinforced roadbed and pavement capable of preventing water accumulation comprises a roadbed structure 1, wherein drainage structures 2 are fixedly connected to two sides of the roadbed structure 1, a permeable pipe 3 is inserted into one side of each of the two drainage structures 2 opposite to each other, drainage pipes 4 communicated with the inside of the drainage structures 2 are fixedly connected to one sides of the two drainage structures 2 opposite to each other, a greening soil layer 5 covers the tops of the drainage pipes 4, permeable holes penetrating through the inner wall of each drainage pipe 4 are formed in two sides of the inner wall of the drainage pipe 4, the other ends of the drainage pipes 4 penetrate through the greening soil layer 5 and extend to the side sides of the drainage pipes, the roadbed structure 1 comprises a foundation layer 101, the foundation layer 101 is fixedly connected between the two drainage structures 2, a waterproof layer 102, a diversion slope 103 and a pavement layer 104 are fixedly connected to the top of the foundation layer 101 from bottom to top in sequence, and a permeable layer 105 and a reinforcing layer, the reinforced layer 106 is made of a volcanic ash permeable reinforced roadbed layer, the roadbed layer 104 is made of a permeable asphalt layer, opposite ends of the two permeable pipes 3 are respectively fixedly inserted into the permeable layers 105, the drainage structure 2 comprises a drainage groove 201, a water leakage plate 202 is overlapped at the top end of the drainage groove 201, the lateral section of the drainage groove 201 is of a U-shaped structure, the bottom of the inner wall of the drainage groove 201 is provided with a drainage slope, one side of the inner wall of the two drainage grooves 201, which is close to the diversion slope 103, is provided with a drainage hole 203 which penetrates through to the outer wall, the upper half part of each permeable pipe 3 is provided with a plurality of permeable holes, and the two permeable layers 105 are respectively communicated with the two drainage structures 2 through the two permeable pipes 3;

the side section of the flow guide slope 103 is of an isosceles trapezoid structure, the flow guide slope 103 is formed by pouring concrete, an elastic layer is arranged on the contact surface of two inclined sections of a slope body of the flow guide slope 103 and the reinforcing layer 106, the elastic layer adopts a non-uniform differential elastic design, and the elasticity of the elastic layer is gradually reduced along the descending direction of the two inclined sections.

Fifteen water permeable holes are formed in the upper half part of the water permeable pipe 3.

The both sides of drain pipe 4 inner wall all set up the hole of permeating water that runs through to the outer wall, and the other end of drain pipe 4 runs through afforestation soil layer 5 and extends to its avris.

The top of the drain pipe 4 is covered with a greening soil layer 5, green plants can be planted on the top of the greening soil layer 5, nitrogen oxide compounds in automobile exhaust can be effectively reduced, so that the generation amount of ozone in the atmosphere is reduced, photochemical smog is prevented from being formed, the sound insulation wall and the silencer function is realized on roads, noise pollution is effectively prevented, water flowing into the greening soil layer 5 has the function of absorbing dissolved substances in water, and tests prove that after colored, odorous, turbid and bacteria-containing sewage flows through a forest, the chromaticity of the water is reduced, peculiar smell is weakened or disappeared, the transparency is increased, the content of bacteria is obviously reduced, the pollution of the sewage to the environment is greatly reduced, and the environment sanitation is improved and the ecological balance is maintained.

The roadbed structure 1 comprises a foundation layer 101, the foundation layer 101 is fixedly connected between two drainage structures 2, the top of the foundation layer 101 is fixedly connected with a waterproof layer 102, a diversion slope 103 and a pavement layer 104 from bottom to top in sequence, the two sides of the diversion slope 103 are fixedly connected with a permeable layer 105 and a reinforcing layer 106 from top to bottom in sequence, the opposite ends of two permeable pipes 3 are respectively fixedly inserted in the permeable layer 105, and a filter screen is arranged at the joint of the permeable pipes 3 and the permeable layer 105.

The drainage structure 2 comprises drainage grooves 201, the top ends of the drainage grooves 201 are lapped with water leakage plates 202, and drainage holes 203 penetrating to the outer wall are formed in one sides, close to the diversion slopes 103, of the inner walls of the two drainage grooves 201.

Fifteen permeable holes are formed in the upper half part of the permeable pipe 3, and the two permeable layers 105 are respectively communicated with the two drainage structures 2 through the two permeable pipes 3.

The reinforced layer 106 of the invention is made of volcanic ash permeable reinforced road base layer, the road surface layer 104 is made of permeable asphalt layer, and drainage asphalt road surface, also called permeable asphalt road surface, is a novel asphalt concrete surface layer with porosity of about 20% after compaction, and can form a drainage channel in the mixture, and is essentially a graded asphalt mixture with a framework-void structure formed by single-particle-size crushed stone according to an embedding and extruding mechanism, in addition, the graded surface thin layer mainly aiming at improving the surface anti-skid function is also called a graded wearing layer, a porous asphalt wearing layer and the like, the composition characteristics of the materials are basically the same, but the materials are endowed with different names due to the differences of use functions, description angles and prominent key points, sometimes the technical characteristics are different, the drainage asphalt road surface adopts the large-void asphalt mixture as the surface layer, and the rainfall permeates into the drainage pipe 4, and the rainwater is transversely drained into the drainage groove 201 through the drainage pipe 4, so that a road surface water film which brings adverse effects of driving is eliminated, the safety and the comfort of driving in rainy days are obviously improved, and meanwhile, the traffic noise can be greatly reduced due to the porous characteristic of the drainage asphalt pavement, so that the drainage asphalt pavement is also called as a low-noise asphalt pavement.

The side section of the drainage channel 201 is of a U-shaped structure, and the bottom of the inner wall of the drainage channel 201 is provided with a drainage slope.

The side section of the guide slope 103 is in an isosceles trapezoid structure, the guide slope 103 is formed by pouring concrete, the concrete is prepared from a cementing material, granular aggregate, water, and an additive and an admixture which are added if necessary according to a certain proportion, and the artificial stone is formed by uniformly stirring, densely forming, curing and hardening. The concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is increased, and meanwhile, the concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like.

According to the invention, the two sides of the inner wall of the drain pipe 4 are both provided with water permeable holes penetrating through the outer wall, the other end of the drain pipe 4 penetrates through the greening soil layer 5 and extends to the side of the greening soil layer, a filter screen is arranged at the joint of the drain pipe 4 and the greening soil layer 5, the drain pipe 4 is made of a hard material, the drain pipe 4 is positioned at the lower position of the drainage gradient in the drainage groove 201, and the drain pipe 4 is provided with the drainage gradient matched with the drainage groove 201, so that the drain pipe 4 has stronger pressure resistance, the drain pipe 4 is favorable for long-term use, the service life of a road surface and a roadbed is also favorable for prolonging, and the relatively smaller pressure of the greening soil layer 5 is mainly born, so.

The roadbed structure has good overall water permeability, can fully exert the water seepage guiding function of the roadbed, can quickly guide water flow into the drainage groove 201 through the water permeable pipe 3 and the drainage hole 203 by the guiding of the guiding slope 103, so that the drainage groove 201 can effectively intercept and slowly drain rainwater, effectively reduce the drainage pressure of a rainwater pipe network, enhance the drainage performance of a road surface and the stability of the roadbed, can well permeate the rainwater on the road surface through the three-layer water permeable structure of the water permeable pavement layer 104, the reinforcing layer 106 and the water permeable layer 105, can directly drain the rainwater into the drainage groove 201 through the water leakage plates 202 on two sides when more rainwater is available, avoids the rainwater from accumulating on the road surface to cause traffic accidents, has the functions of water storage and water passing, intensively drains the collected rainwater through the drainage pipe 4, and can permeate and irrigate the greening soil layers 5 on two sides through the water permeable hole when the drained water volume is small, when the water flow is too large, the rainwater can be directly conveyed to the centralized recovery tank, so that the cyclic utilization rate of the rainwater is improved.

Rainwater falls on the pavement layer 104 and gradually permeates downwards, from top to bottom permeates towards the enhancement layer 106 and the permeable layer 105 in sequence, the water flows towards the drain holes 203 and the permeable pipes 3 on two sides through the diversion of the diversion slope 103, and is concentrated to stay in the drainage groove 201, too much accumulated water on the pavement can also be drained into the drainage groove 201 through the water leakage plate 202, the drainage pipes 4 on two sides irrigate in the greening soil layer 5, when the water discharge is large, the excessive water flow can be intercepted partially in the drainage groove 201, and the water collection part is directly drained into through the drainage pipes 4. In addition, the contact surface of the two inclined sections of the diversion slope 103 and the reinforcing layer 106 is provided with an elastic layer which adopts a non-uniform differential elastic design, wherein the elasticity of the elastic layer is gradually reduced along the descending trend of the two inclined sections, so that the concrete rigid body at the inner layer ensures the general stable support of the pavement layer 104, even if the pavement is rolled for a long time, the volcanic ash permeable reinforcing pavement layer part in a part of the reinforcing layer 106 is only towards the corner close to the permeable pipe 3 by rolling and scouring, and the elastic gradual reduction design of the elastic layer along the descending trend of the two inclined sections can reduce the elastic layer pressure of the reinforcing layer 106 which slides at the top to the inclined sections, so that the reinforcing layer can partially compensate the compaction degree of the sliding reinforcing layer 106, thereby completing the uniform support of the pavement layer 104, therefore, the invention adopts the differential elastic design through the outer edge of the built-in rigid body part, on the basis that both sides set up the water drainage tank structure for still can guarantee after the road surface uses for a long time that the road surface is by firm support.

Claims

1. The utility model provides a prevent enhancement road bed road surface of ponding, includes roadbed structure (1), its characterized in that: the water permeable roadbed comprises a roadbed structure (1), wherein two sides of the roadbed structure (1) are fixedly connected with drainage structures (2), one sides of the two drainage structures (2), which are opposite to each other, are inserted with water permeable pipes (3), one sides of the two drainage structures (2), which are opposite to each other, are fixedly connected with drainage pipes (4) communicated with the insides of the drainage pipes, the tops of the drainage pipes (4) are covered with greening soil layers (5), two sides of the inner walls of the drainage pipes (4) are respectively provided with water permeable holes penetrating through to the outer wall, the other ends of the drainage pipes (4) penetrate through the greening soil layers (5) and extend to the lateral sides of the greening soil layers, the roadbed structure (1) comprises a foundation layer (101), the foundation layer (101) is fixedly connected between the two drainage structures (2), the top of the foundation layer (101) is fixedly connected with a waterproof layer (102), a diversion slope (103) and a pavement layer (104) from bottom to top, and two, the reinforced pavement layer is characterized in that the reinforced layer (106) is made of a volcanic ash permeable reinforced pavement layer, the pavement layer (104) is made of a permeable asphalt layer, one ends of the two permeable pipes (3) opposite to each other are fixedly inserted into the permeable layer (105) respectively, the drainage structure (2) comprises a drainage tank (201), the top end of the drainage tank (201) is lapped with a water leakage plate (202), the lateral section of the drainage tank (201) is of a U-shaped structure, the bottom of the inner wall of the drainage tank (201) is provided with a drainage gradient, one side, close to the diversion gradient (103), of the inner wall of the two drainage tanks (201) is provided with drainage holes (203) penetrating through the outer wall, the upper half part of each permeable pipe (3) is provided with a plurality of permeable holes, and the two permeable layers (105) are communicated with the two drainage structures (2) through the two permeable pipes (3);

the side section of the flow guide slope (103) is of an isosceles trapezoid structure, the flow guide slope (103) is formed by pouring concrete, an elastic layer is arranged on the contact surface of two inclined sections of a slope body of the flow guide slope (103) and the reinforcing layer (106), the elastic layer is in a non-uniform differential elastic design, and the elasticity of the elastic layer is gradually reduced along the descending trend of the two inclined sections.

2. A reinforced subgrade pavement with water accumulation prevention according to claim 1, characterized in that: fifteen water permeable holes are formed in the upper half part of the water permeable pipe (3).

3. A reinforced subgrade pavement with water accumulation prevention according to claim 1, characterized in that: the both sides of drain pipe (4) inner wall all set up the hole of permeating water that runs through to the outer wall, and the other end of drain pipe (4) runs through afforestation soil layer (5) and extends to its avris.