CN211772555U

CN211772555U - A drainage road surface that catchments for sponge city construction

Info

Publication number: CN211772555U
Application number: CN202020258339.2U
Authority: CN
Inventors: 周荣会; 景帅帅; 郭玉顺; 安百平
Original assignee: Tianyuan Construction Group Co Ltd; Shandong Hongda Real Estate Co Ltd
Current assignee: Tianyuan Construction Group Co Ltd; Shandong Hongda Real Estate Co Ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-10-27
Anticipated expiration: 2030-03-05

Abstract

The utility model relates to the technical field of road construction, and discloses a drainage and catchment pavement for sponge city construction, which mainly comprises an upper base layer face brick, a lower floor tile, a permeable concrete bottom layer and a drainage bottom canal; the permeable concrete bottom layer is tightly attached to the upper side of the road base layer, so that the load strength of the road surface is met, and the permeable concrete bottom layer plays a role in water permeation and drainage; the upper base layer face bricks and the lower floor tiles are paved above the permeable concrete bottom layer in a set to play a role in quickly draining and collecting water; the drainage ditch is positioned below the roadbed layer, can collect water and is communicated with municipal pipelines or roadside green belts, so that the accumulated water is quickly drained, the underground water is supplemented, and the underground water level is increased; the problem of urban heat island effect is solved to a certain extent, and the method belongs to the field of engineering exquisite construction and is a green construction technology.

Description

A drainage road surface that catchments for sponge city construction

Technical Field

The utility model relates to a road construction technical field especially relates to a drainage road surface that catchments.

Background

Along with the rapid development of economy in China, the scale of urban construction is gradually accelerated, but the urban pavement is easy to harden, rainwater cannot directly seep underground, on one hand, rainwater cannot be timely discharged, a large amount of water is accumulated on the pavement, the life of people is seriously influenced, and the urban cleaning and environmental protection are not facilitated; on the other hand, rainwater is directly discharged through a municipal pipe network, so that urban underground water cannot be supplemented in time, and a series of problems of reduction of underground water level, ground subsidence and the like are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drainage road surface that catchments for sponge city construction, the technical problem of solution realize the quick drainage on road surface, reduce the risk that sinks on ground, improve ground water level, slow down city heat island effect, increase rainwater utilization ratio.

In order to solve the technical problem, the utility model adopts the following technical scheme: a drainage catchment road surface for sponge city construction, the said drainage catchment road surface is a multilayer structure, distribute upper base layer face brick, lower floor tile, pervious concrete bottom, road bed, drainage bottom canal vertically sequentially from top to bottom; the cross section of the upper base layer face brick is a parallelogram, wherein angular points of a pair of opposite angles are provided with chamfers, the cross section of each chamfer is in an arc shape, vertical through holes are distributed in the upper base layer face brick, and each through hole is hollow; the lower floor tile is of an inverted cone slope structure, a convex cylinder is arranged at the center of the upper part of a cone, a ridge platform is arranged at the upper part of the cone, a supporting platform is arranged at the lower part of the cone, and a slope is arranged between the supporting platform and the ridge platform; the left side, the right side and the bottom of the drainage ditch are provided with water outlets, and the water outlets are provided with filter plates; the thickness of the upper base layer face brick is the same as the height of the protruded cylinder of the lower floor tile, and the upper base layer face brick is located on the upper part of the ridge platform of the lower floor tile; the upper-layer base layer surface bricks are sequentially arranged on the circumference and enclosed around the convex cylinder of the lower-layer floor tile, and the arc-shaped chamfer angle of the upper-layer base layer surface bricks is attached to the side surface of the cylinder; and the bottom of the upper base layer face brick, the ridge side surfaces and the slope surfaces of the two lower floor tiles form a water storage cavity.

Furthermore, the chamfer angle of the upper-layer base layer face brick is 18-60 degrees.

Furthermore, the diameter of the through hole of the upper base layer face brick is 30-50 mm.

Furthermore, the upper part of the upper layer of the base layer surface brick is also provided with a reinforcing layer, and the strength of the reinforcing layer is not lower than 50 Mpa.

Further, the strength of the pervious concrete bottom layer is not lower than 30Mpa, and the water absorption rate of the pervious concrete bottom layer is not more than 0.5%.

Furthermore, the water outlets on the left side and the right side of the water drainage ditch can be connected with pipelines to discharge water to nearby green belts, and the water outlets on the bottom can be connected with municipal drainage pipe networks.

Furthermore, a filter screen is arranged between the permeable concrete bottom layer and the drainage bottom canal.

Further, the distance between the water drainage ditches is 1m-3 m.

Further, all be equipped with the filtration pore of diameter 8mm ~15mm on filter and the filter screen.

The utility model relates to a drainage road surface that catchments for sponge city construction compares with prior art, has following beneficial effect.

1) The through holes and the filtering holes can filter impurities so as to avoid blocking of the water storage cavity and the underwater canal.

2) The water storage cavity of the lower floor tile can store moisture accumulated on the ground, so that the moisture is gradually discharged to the lower floor surface and the water discharge ditch, and the load strength of the road surface is improved.

3) The utility model discloses realize the quick drainage on road surface, reduce the risk that sinks on ground, improve ground water level, slow down city heat island effect, improved the utilization ratio of rainwater.

Drawings

Fig. 1 is a schematic front view of a first embodiment of the present invention.

Fig. 2 is a schematic view of a part of a first embodiment of the present invention.

Fig. 3 is a schematic top view of a top base layer tile according to an embodiment of the present invention.

Fig. 4 is a schematic top view of a lower floor tile according to an embodiment of the present invention.

Fig. 5 is a schematic front view of a lower floor tile according to an embodiment of the present invention.

Fig. 6 is a schematic front view of the second embodiment of the present invention.

Wherein, 1-upper layer base layer face brick, 1.1-chamfer, 1.2-through hole, 2-lower layer ground brick, 2.1-cylinder, 2.2-bank platform, 2.3-supporting platform, 2.4-slope, 2.5-water storage cavity, 3-permeable concrete bottom layer, 4-drainage bottom channel, 4.1-water outlet, 4.2-filter plate, 4.3-filter hole, 5-roadbed layer, 6-filter screen and 7-pipeline.

Detailed Description

As shown in fig. 1-5, an embodiment of the present invention relates to a drainage and catchment pavement for sponge city construction, and a drainage and catchment pavement for sponge city construction, wherein the drainage and catchment pavement is a multilayer structure, and an upper base layer surface brick 1, a lower layer floor brick 2, a pervious concrete bottom layer 3, a road base layer 5, and a drainage bottom channel 4 are vertically distributed in sequence from top to bottom; the cross section of the upper base layer face brick 1 is a parallelogram, the angular points of a pair of opposite angles are provided with chamfers 1.1, the cross section of each chamfer 1.1 is arc-shaped, each chamfer 1.1 is 30 degrees, and through holes 1.2 with the diameter of 30-50 mm are vertically distributed in the upper base layer face brick 1 and used for quickly discharging water and rainwater in a road area, preventing water from being stored in a road surface and playing a role of skid resistance, and also preventing large foreign materials from flowing to a sewer; the upper part of the upper-layer base layer surface brick 1 is also provided with a reinforcing layer, the strength of which is not lower than 50Mpa, so as to ensure the load strength of the upper-layer base layer surface brick 1; the lower floor tile 2 is of an inverted cone slope surface 2.4 structure, a convex cylinder 2.1 is arranged in the center of the upper part of a cone, a ridge platform 2.2 is arranged on the upper part of the cone, a supporting platform 2.3 is arranged on the lower part of the cone, a slope surface 2.4 is arranged between the supporting platform 2.3 and the ridge platform 2.2, and the ridge platform 2.2 and the supporting platform 2.3 are both regular hexagons; the thickness of the upper base layer face brick 1 is the same as the height of a cylinder 2.1 protruded from the lower floor tile 2, the upper base layer face brick is located on the upper part of a bank platform 2.2 of the lower floor tile 2, six upper base layer face bricks 1 are sequentially arranged on the circumference and are enclosed around the cylinder 2.1 protruded from the lower floor tile 2, and an arc-shaped chamfer 1.1 of the upper base layer face brick 1 is attached to the side surface of the cylinder 2.1; the bottom of the upper-layer base-layer face brick 1 and the ridge platform 2.2 side faces and the slope 2.4 of the two lower-layer floor bricks 2 enclose a water storage cavity 2.5 to store moisture accumulated on the ground, so that the moisture is gradually discharged to the lower-layer ground surface and the water discharge bottom channel 4, and meanwhile, the load intensity of the road surface is improved.

The strength of the pervious concrete bottom layer 3 is not lower than 30Mpa, the water absorption rate of the pervious concrete bottom layer is not more than 0.5%, the drainage function is guaranteed, and meanwhile the strength of the protective surface brick is not reduced due to the freezing and thawing problem caused by rain and snow weather in winter, so that the service life of the pavement is not influenced; a filter screen 6 with filter holes 4.3 and the diameter of 8 mm-15 mm is arranged between the permeable concrete bottom layer 3 and the drainage bottom channel 4; the water drainage ditch 4 is a cuboid, water drainage ports 4.1 are formed in the left side, the right side and the bottom of the water drainage ditch, the water drainage ports 4.1 in the left side and the right side are arranged in a staggered mode so as to collect accumulated water in different soil layers in time, and the water drainage ports 4.1 are provided with filter holes 4.3 and filter plates 4.2 with the diameter of 8 mm-15 mm; the water outlets 4.1 at the left side and the right side of the water drainage bottom channel 4 can be connected with a pipeline 7 to discharge water to a nearby green belt, and the water outlets 4.1 at the bottom can be connected with a municipal drainage pipe network, so that accumulated water can be quickly drained; the distance between the drainage bottom channels 4 is 2m, and the drainage bottom channels 4 can be set according to the road surface condition and the perennial rainfall of the laying ground, the distance, the depth and the width between the drainage bottom channels 4.

As shown in fig. 6, on the basis of the first embodiment, the pipeline 7 is added between the drainage bottom channels 4 of the drainage water collection road surface to form the second embodiment of the present invention, the drainage ports 4.1 on both sides of the drainage bottom channels 4 are symmetrically arranged, and the drainage ports 4.1 of the adjacent drainage bottom channels 4 are connected through the pipeline 7 with the gradient of 1 degree.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a drainage road surface that catchments for sponge city construction which characterized in that: the drainage and water collection pavement is of a multilayer structure, and an upper base layer face brick, a lower layer floor brick, a permeable concrete bottom layer, a roadbed layer and a drainage bottom channel are vertically distributed in sequence from top to bottom;

the cross section of the upper base layer face brick is a parallelogram, wherein angular points of a pair of opposite angles are provided with chamfers, the cross section of each chamfer is in an arc shape, vertical through holes are distributed in the upper base layer face brick, and each through hole is hollow;

the lower floor tile is of an inverted cone slope structure, a convex cylinder is arranged at the center of the upper part of a cone, a ridge platform is arranged at the upper part of the cone, a supporting platform is arranged at the lower part of the cone, and a slope is arranged between the supporting platform and the ridge platform;

the left side, the right side and the bottom of the drainage ditch are provided with water outlets, and the water outlets are provided with filter plates;

the thickness of the upper base layer face brick is the same as the height of the protruded cylinder of the lower floor tile, and the upper base layer face brick is located on the upper part of the ridge platform of the lower floor tile;

the upper-layer base layer surface bricks are sequentially arranged on the circumference and enclosed around the convex cylinder of the lower-layer floor tile, and the arc-shaped chamfer angle of the upper-layer base layer surface bricks is attached to the side surface of the cylinder;

and the bottom of the upper base layer face brick, the ridge side surfaces and the slope surfaces of the two lower floor tiles form a water storage cavity.

2. The drainage and catchment pavement for sponge city construction according to claim 1, characterized in that: and the chamfer angle of the upper base layer face brick is 18-60 degrees.

3. The drainage and catchment pavement for sponge city construction according to claim 1, characterized in that: the diameter of the through hole of the upper base layer face brick is 30-50 mm.

4. A drainage catchment pavement for sponge city construction according to any one of claims 1 to 3, characterized in that: the upper part of the upper-layer base layer surface brick is also provided with a reinforcing layer, and the strength of the reinforcing layer is not lower than 50 Mpa.

5. The drainage and catchment pavement for sponge city construction according to claim 1, characterized in that: the strength of the pervious concrete bottom layer is not lower than 30Mpa, and the water absorption rate of the pervious concrete bottom layer is not more than 0.5%.

6. The drainage and catchment pavement for sponge city construction according to claim 1, characterized in that: the water outlets on the left side and the right side of the water drainage ditch can be connected with pipelines to discharge water to nearby green belts, and the water outlets on the bottom can be connected with municipal drainage pipe networks.

7. The drainage and catchment pavement for sponge city construction according to claim 1, characterized in that: and a filter screen is arranged between the permeable concrete bottom layer and the drainage bottom canal.

8. The drainage and catchment pavement for sponge city construction according to claim 1, characterized in that: the distance between the drainage bottom channels is 1m-3 m.

9. A drainage catchment pavement for sponge city construction according to claim 1 or 7, characterised in that: the filter plate and the filter screen are both provided with filter holes with the diameters of 8 mm-15 mm.

10. A drainage catchment pavement for sponge city construction according to claim 1 or 7, characterised in that: the water outlets of the adjacent water drainage bottom channels are connected through a pipeline with the gradient of 1-5 degrees.