CN214938920U - Double-deck formula road surface drainage structures - Google Patents

Abstract

The utility model belongs to the technical field of pavement drainage, in particular to a double-layer pavement drainage structure, which comprises a pavement base layer, a drainage brick layer and a permeable brick layer which are arranged from bottom to top in sequence; the drainage brick layer is formed by tiling a plurality of drainage bricks, a first diversion hole channel and a second diversion hole are arranged in each drainage brick, a third diversion channel leading to the communication position of the first diversion channel and the second diversion channel is further arranged at the bottom of each drainage brick, and a first water inlet micropore and a second water inlet micropore are further formed in the upper end face of each drainage brick. In rainy day, the rainwater is earlier from the brick layer flow direction drainage brick layer of permeating water, and the rainwater can be earlier from first micropore of intaking, the second micropore of intaking flows to first water conservancy diversion passageway, in the second water conservancy diversion passageway, then from third water conservancy diversion passageway flow direction metalling, enters into the rainwater on the metalling, and the process is filtered the back and is flowed to the leveling soil basic unit again, at last from the soil basic unit flow of leveling to the ground end to accomplish the drainage, its drainage effect is good, and is difficult for sputtering ponding.

Description

Double-deck formula road surface drainage structures

Technical Field

The utility model belongs to the technical field of the road surface drainage, especially, relate to a double-deck formula road surface drainage structures.

Background

With the great improvement of the urbanization level in China, the hardened pavement area is increased sharply, the original ecological system is destroyed, the original natural ecological background and hydrological characteristics of the city are changed, more than 70% of rainfall forms runoff to be discharged, the city cannot hold water, and the phenomena of waterlogging due to heavy rain and drought after rain occur.

The pavement bricks laid on the common sidewalks are solid bricks made of cement generally, and have no water permeable function, water is easy to accumulate on the surfaces of the bricks, and the water impermeable bricks enable precious fresh water resources to flow away along with drainage pipelines, so that the burden of urban drainage facilities is increased, and the underground water level is difficult to rise due to the loss of a large amount of rainwater; a fragment of brick that has the effect of permeating water, for example the pottery brick that permeates water has appeared for this reason, but lay behind the pottery brick that permeates water, still have other problems, for example, after the fragment of brick is not hard up, when the pedestrian tramples, can extrude the ponding in fragment of brick clearance department to splash on one's body the pedestrian.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem who exists to the aforesaid, provide a double-deck formula road surface drainage structures that drainage is effectual, and is difficult for sputter ponding.

The purpose of the utility model is realized like this: the utility model provides a two-layer equation road surface drainage structure which characterized in that: comprises a pavement base layer, a drainage brick layer and a permeable brick layer which are arranged from bottom to top in sequence;

the pavement base layer is divided into a leveling soil base layer at the lower layer and a gravel layer at the upper layer;

the drainage brick layer is formed by tiling a plurality of drainage bricks, first flow guide channels penetrating through the left end and the right end along the length direction and second flow guide channels penetrating through the front end and the rear end along the width direction are arranged in the drainage bricks, two first flow guide channels between adjacent drainage bricks are communicated or two second flow guide channels are communicated, a third flow guide channel communicated with the communication position between the first flow guide channel and the second flow guide channel is further arranged at the bottom of the drainage brick, and a first water inlet micropore communicated with the first flow guide channel and a second water inlet micropore communicated with the second flow guide channel along the vertical direction are further arranged on the upper end surface of the drainage brick;

the permeable brick layer is formed by tiling a plurality of permeable bricks, and each permeable brick comprises a permeable base layer of a brick main body and a permeable surface layer covering the upper end surface of the permeable base layer;

the length and width of the water permeable bricks are 1/3-1/2 of the length and width of the drainage bricks, and the water permeable bricks and the drainage bricks are arranged in a vertically staggered manner.

By adopting the technical scheme, the common pedestrian ways are generally paved with bricks directly after the ground is leveled, so that the roadbed is easy to collapse after raining, and the paved bricks are loosened; therefore, the utility model discloses divide into road surface basic unit, drainage brick layer and permeable brick layer with the road surface, wherein road surface basic unit divide into leveling soil basic unit and metalling again, and leveling soil basic unit is promptly after leveling the soil road surface, carries out the compaction and forms, and the metalling is laid the rubble on leveling soil basic unit, and the metalling can not only play the effect of reinforcement, but also has good toughness, is difficult for being crushed; after the gravel layer is laid, a drainage brick layer and a water permeable brick layer are laid, wherein the water permeable brick layer plays a role of water permeability, rainwater firstly enters the water permeable base layer from the water permeable surface layer on the water permeable brick layer in rainy days and then flows to the drainage brick layer, under the action of the drainage brick layer, the rainwater can firstly flow into the first flow guide channel and the second flow guide channel from the first water inlet micropores and the second water inlet micropores, then flows into the gravel layer from the third flow guide channel, enters the rainwater on the gravel layer, flows to the leveling soil base layer after being filtered, and finally flows to the ground bottom from the leveling soil base layer, so that drainage is completed; certainly, when in rainy season, the rainwater can't be arranged to the ground end fast, and the first water conservancy diversion passageway of accessible and second water conservancy diversion passageway are held and are impoundd, and the rainwater is deposited in first water conservancy diversion passageway and second water conservancy diversion passageway promptly, and then reducible surface of road ponding.

The length and width of the water permeable bricks are 1/3-1/2 of the length and width of the water drainage bricks, and the water permeable bricks and the water drainage bricks are arranged in a vertically staggered manner so as to prevent accumulated water from splashing outwards from gaps on the water permeable brick layer.

The utility model discloses further set up to: the first water inlet micropores are provided with a plurality of pores and are uniformly distributed along the length direction of the drainage brick; the second micropore of intaking has a plurality ofly, and evenly distributed along the width direction of drainage brick.

Through adopting above-mentioned technical scheme, through setting up a plurality of first micropores and the second micropore of intaking to improve the drainage efficiency of rainwater, make the rainwater that sees through the brick layer of permeating water can be quick flow direction first water conservancy diversion passageway, second water conservancy diversion passageway.

The utility model discloses further set up to: the first flow guide channel and the second flow guide channel are both positioned in the middle of the drainage brick.

By adopting the technical scheme, the processing is convenient, and the strength of the drainage brick can be guaranteed.

The utility model discloses further set up to: the length of the water permeable brick is 150-300mm, the width is 100-300mm, and the thickness is 55 mm.

Through adopting above-mentioned technical scheme to conveniently lay the brick layer that permeates water.

The utility model discloses further set up to: the permeable surface layer and the permeable base layer on the permeable brick are both of porous structures, and the porosity of the permeable brick is 20-30%.

Through adopting above-mentioned technical scheme to improve the effect of permeating water on brick layer of permeating water.

The utility model discloses further set up to: the gravel layer is divided into a gravel base layer and a graded gravel layer laid on the gravel base layer, the gravel base layer is formed by laying gravels with the particle size of 4-6mm, and the laying thickness of the gravel base layer is 30-50 mm; the particle diameter of the graded crushed stone layer is 3-10mm, and the laying thickness of the graded crushed stone layer is 40-50 mm.

By adopting the technical scheme, the gravel layer is divided into the gravel base layer and the graded gravel layer for the purpose of having higher strength and toughness and also having higher water seepage effect, the graded gravel layer is formed by mixing 3-10mm gravel aggregates and has the function of improving the roadbed, and the gravel base layer is formed by paving 4-6mm gravel and has higher water seepage effect.

The utility model has the advantages that:

the utility model discloses divide into road surface basic unit, drainage brick layer and permeable brick layer with the road surface, wherein the road surface basic unit divide into leveling soil basic unit and metalling again, and the leveling soil basic unit is promptly after leveling the soil road surface, carries out the compaction and forms, and the metalling is laid the rubble on leveling soil basic unit, and the metalling can not only play the reinforced effect, but also has good toughness, is difficult for being crushed;

after the gravel layer is laid, a drainage brick layer and a water permeable brick layer are laid, wherein the water permeable brick layer plays a role of water permeability, rainwater firstly enters the water permeable base layer from the water permeable surface layer on the water permeable brick layer in rainy days and then flows to the drainage brick layer, under the action of the drainage brick layer, the rainwater can firstly flow into the first flow guide channel and the second flow guide channel from the first water inlet micropores and the second water inlet micropores, then flows into the gravel layer from the third flow guide channel, enters the rainwater on the gravel layer, flows to the leveling soil base layer after being filtered, and finally flows to the ground bottom from the leveling soil base layer, so that drainage is completed;

certainly, when in rainy season, the rainwater can't be arranged to the ground end fast, and the first water conservancy diversion passageway of accessible and second water conservancy diversion passageway are held and are impoundd, and the rainwater is deposited in first water conservancy diversion passageway and second water conservancy diversion passageway promptly, and then reducible surface of road ponding.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the drainage brick layer of the present invention;

FIG. 3 is a schematic view of the internal structure of the drainage brick of the present invention;

the reference numbers in the figures are: 1. a pavement base; 11. leveling the soil base layer; 12. a macadam base; 13. grading a crushed stone layer; 2. a drainage brick layer; 21. a drainage brick; 211. a first flow guide passage; 212. a second flow guide channel; 213. a third flow guide channel; 214. a first water inlet micropore; 215. a second water inlet micropore; 3. a permeable brick layer; 31. water permeable bricks; 311. a water permeable base layer; 312. a water permeable surface layer.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention is clearly and completely described below with reference to the accompanying drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

A double-layer pavement drainage structure is shown in figures 1, 2 and 3, and comprises a pavement base layer 1, a drainage brick 21 layer 2 and a permeable brick 31 layer 3 which are arranged in sequence from bottom to top;

the pavement base layer 1 is divided into a leveling soil base layer 11 at the lower layer and a gravel layer at the upper layer;

the drainage brick layer 2 is formed by tiling a plurality of drainage bricks 21, a first flow guide channel 211 penetrating through the left end and the right end along the length direction and a second flow guide channel 212 penetrating through the front end and the rear end along the width direction are arranged in the drainage bricks 21, two first flow guide channels 211 between adjacent drainage bricks 21 are communicated or two second flow guide channels 212 are communicated, a third flow guide channel 213 leading to the communication position between the first flow guide channel 211 and the second flow guide channel 212 is also arranged at the bottom of the drainage brick 21, and a first water inlet micropore 214 leading to the first flow guide channel 211 and a second water inlet micropore 215 leading to the second flow guide channel 212 along the vertical direction are also arranged on the upper end surface of the drainage brick 21;

the water permeable brick layer 3 is formed by tiling a plurality of water permeable bricks 31, and each water permeable brick 31 comprises a water permeable base layer 311 of a brick main body and a water permeable surface layer 312 covering the upper end surface of the water permeable base layer 311;

the length and width of the water permeable bricks 31 are 1/3-1/2 of the length and width of the drainage bricks 21, and the water permeable bricks 31 and the drainage bricks 21 are arranged in a vertically staggered manner.

Common pedestrian roads generally lay bricks directly after leveling the ground, so that the roadbed is easy to collapse after raining, and the laid bricks are loosened; therefore, the utility model discloses divide into road surface basic unit 1, drainage brick 21 layer 2 and 31 layers 3 of brick that permeates water with the road surface, wherein road surface basic unit 1 divide into again and level soil basic unit 11 and rubble layer, and the soil basic unit 11 that levels is promptly after leveling the soil road surface, carries out the compaction and forms, and the rubble layer is laid the rubble on the soil basic unit 11 that levels, and the rubble layer can not only play the effect of reinforcement, but also has good toughness, is difficult for being crushed; after the gravel layer is laid, a drainage brick 21 layer 2 and a water permeable brick 31 layer 3 are laid, wherein the water permeable brick 31 layer 3 plays a role of water permeability, rainwater firstly enters the water permeable base layer 311 from the water permeable surface layer 312 on the water permeable brick 31 layer 3 in rainy days and then flows to the drainage brick 21 layer 2, under the action of the drainage brick 21 layer 2, the rainwater firstly flows to the first diversion channel 211 and the second diversion channel 212 from the first water inlet micropores 214 and the second water inlet micropores 215, then flows to the gravel layer from the third diversion channel 213, enters the rainwater on the gravel layer, flows to the leveling soil base layer 11 after being filtered, and finally flows to the ground bottom from the leveling soil base layer 11, so that drainage is completed; certainly, in rainy season, when the rainwater can not be discharged to the ground bottom fast, the rainwater can be stored through the first diversion channel 211 and the second diversion channel 212, that is, the rainwater is deposited in the first diversion channel 211 and the second diversion channel 212, and the surface water accumulation can be further reduced.

The length and width of the water permeable bricks 31 are 1/3-1/2 of the length and width of the drainage bricks 21, and the water permeable bricks 31 and the drainage bricks 21 are arranged in a vertically staggered manner so as to prevent accumulated water from splashing outwards from gaps on the layer 3 of the water permeable bricks 31.

Preferably, as shown in fig. 3, the first water inlet micro-holes 214 are multiple and uniformly distributed along the length direction of the drainage brick 21; the second water inlet micro-holes 215 are provided in plural and uniformly distributed along the width direction of the drainage brick 21. Through setting up a plurality of first micropores 214 and the second micropore 215 of intaking to improve the drainage efficiency of rainwater, make the rainwater that sees through permeable brick 31 layer 3 can be quick flow direction first water conservancy diversion passageway 211, second water conservancy diversion passageway 212.

Preferably, as shown in fig. 2 and 3, the first guide channel 211 and the second guide channel 212 are located in the middle of the drainage brick 21, so as to facilitate processing and ensure the strength of the drainage brick 21.

Optimally, the length of the water permeable brick 31 is 150-300mm, the width is 100-300mm, and the thickness is 55mm, and by adopting the technical scheme, the water permeable brick layer 3 is conveniently paved.

Preferably, the permeable surface layer 312 and the permeable base layer 311 on the permeable brick 31 are both porous structures, and the porosity of the permeable brick 31 is 20-30%. So as to improve the water permeability effect of the layer 3 of the water permeable brick 31.

Optimally, the gravel layer is divided into a gravel base layer 12 and a graded gravel layer 13 laid on the gravel base layer 12, wherein the gravel base layer 12 is formed by laying gravels with the grain size of 4-6mm, and the laying thickness is 30-50 mm; the grain diameter of the graded crushed stone layer 13 is 3-10mm, and the laying thickness is 40-50 mm.

In order to ensure that the gravel layer not only has higher strength and toughness, but also has higher water seepage effect, the gravel layer is divided into a gravel base layer 12 and a graded gravel layer 13, the graded gravel layer 13 is formed by mixing 3-10mm gravel aggregates and has the function of improving a roadbed, and the gravel base layer 12 is formed by paving 4-6mm gravel and has higher water seepage effect.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a two-layer equation road surface drainage structure which characterized in that: comprises a pavement base layer (1), a drainage brick layer (2) and a permeable brick layer (3) which are arranged from bottom to top in sequence;

the pavement base layer (1) is divided into a leveling soil base layer (11) at the lower layer and a gravel layer at the upper layer;

the drainage brick layer (2) is formed by tiling a plurality of drainage bricks (21), first flow guide channels (211) penetrating through the left end and the right end along the length direction and second flow guide channels (212) penetrating through the front end and the rear end along the width direction are arranged in the drainage bricks (21), two first flow guide channels (211) between the adjacent drainage bricks (21) are communicated or two second flow guide channels (212) are communicated, a third flow guide channel (213) leading to the communication position between the first flow guide channel (211) and the second flow guide channel (212) is further arranged at the bottom of the drainage brick (21), and first water inlet micropores (214) leading to the first flow guide channels (211) and second water inlet micropores (215) leading to the second flow guide channels (212) along the vertical direction are further arranged on the upper end face of the drainage brick (21);

the water permeable brick layer (3) is formed by tiling a plurality of water permeable bricks (31), and each water permeable brick (31) comprises a water permeable base layer (311) of a brick main body and a water permeable surface layer (312) covering the upper end surface of the water permeable base layer (311);

the length and the width of the water permeable bricks (31) are 1/3-1/2 of the length and the width of the drainage bricks (21), and the water permeable bricks (31) and the drainage bricks (21) are arranged in a vertically staggered mode.

2. The double-deck pavement drainage structure of claim 1, wherein: the first water inlet micropores (214) are provided with a plurality of pores and are uniformly distributed along the length direction of the drainage brick (21); the second water inlet micropores (215) are provided with a plurality of pores and are uniformly distributed along the width direction of the drainage brick (21).

3. The double-deck type pavement drainage structure according to claim 2, wherein: the first flow guide channel (211) and the second flow guide channel (212) are both positioned in the middle of the drainage brick (21).

4. A two-layer type road surface drainage structure according to any one of claims 1 to 3, wherein: the length of the water permeable brick (31) is 150-300mm, the width is 100-300mm, and the thickness is 55 mm.

5. The double-deck pavement drainage structure of claim 4, wherein: the permeable surface layer (312) and the permeable base layer (311) on the permeable brick (31) are both of porous structures, and the porosity of the permeable brick (31) is 20-30%.

6. The double-deck pavement drainage structure of claim 1, wherein: the gravel layer is divided into a gravel base layer (12) and a graded gravel layer (13) laid on the gravel base layer (12), the gravel base layer (12) is formed by laying gravels with the particle size of 4-6mm, and the laying thickness of the gravel base layer is 30-50 mm; the particle diameter of the graded crushed stone layer (13) is 3-10mm, and the laying thickness of the graded crushed stone layer is 40-50 mm.

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