A permeable pavement structure and its construction method

A technology of permeable pavement and construction method, which is applied to pavements, roads, roads, etc., can solve the problems of small void ratio of permeable concrete bricks, limited water permeability, loose permeable concrete bricks, etc. Guaranteed smoothness

Active Publication Date: 2021-03-09
WUXI MUNICIPAL DESIGN INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the small porosity of permeable concrete bricks and sand-free concrete, the water permeability is limited, and the rainwater is not easy to enter the gravel layer through the two layers (permeable concrete bricks and sand-free concrete) with poor water permeability; as the sidewalk is built and passed, the rainwater carries sediment It will gradually block the gaps in the permeable concrete bricks, which will easily cause the permeable function of the permeable concrete bricks to fail and cannot be restored.
Commonly used permeable structures, in addition to poor water permeability, also have shortcomings: In order to ensure the water permeability of the structure, the layers of commonly used permeable structures lack sufficient bonding, and each layer is easy to loose under the action of external force. After a period of time, permeable concrete bricks will often appear loose, broken, road surface subsidence and other diseases, not only the pedestrian experience is poor, but also the cost of later maintenance is increased

Method used

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  • A permeable pavement structure and its construction method
  • A permeable pavement structure and its construction method
  • A permeable pavement structure and its construction method

Examples

Experimental program
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Effect test

Embodiment 1

[0025] The column is made of concrete material with a length of 40cm and a cross-sectional diameter of 10cm. There are four mounting holes on the upper end of the column for installing connectors. The depth of the round holes is 3cm; The end is slightly larger; the cover plate is made of steel fiber material, with a thickness of 4cm, a length of 50cm, and a width of 50cm. In the middle of the cover plate, there are six hollow holes for permeable water, which are permeable grooves, and the four corners are respectively pierced through the plate. through holes, such as image 3 .

[0026] According to actual needs and aesthetic requirements, the shape of the cover plate, the shape of the column, the shape and quantity of the opening of the cover plate, the material used for the cover plate and the column, and the connection method between the cover plate and the column can all be adjusted adaptively, such as: cover plate, horizontal projection section It can be square, rectangu...

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Abstract

The invention belongs to the technical field of road engineering, and specifically relates to a permeable pavement structure and a construction method thereof. The structure includes a cover plate, a column, a connector and a crushed stone cushion, and the crushed stone cushion is laid on a soil foundation; The cover plate is laid on the crushed stone cushion, the middle part of the cover plate is provided with a permeable groove, and the outer edge of the cover plate is opened with a through hole; the column is inserted into the crushed stone cushion layer and the soil foundation, and is arranged at the joint of multiple cover plates At the position, the upper end surface of the column is flush with the upper surface of the crushed stone cushion and has a plurality of connecting holes; the connecting piece is inserted through the through hole into the connecting hole for positioning the cover plate. The invention is beneficial to ensure the flatness of the road surface, and provides sufficient bearing capacity, so that pedestrians can pass safely and comfortably; rainwater can be quickly discharged below the road surface, reducing road surface water; the gravel cushion not only plays the role of water storage , and provide support for the cover, the rainwater in the gravel cushion can gradually penetrate into the soil foundation, supplementing the groundwater.

Description

technical field [0001] The invention belongs to the technical field of road engineering, and in particular relates to a permeable pavement structure and a construction method thereof, which are suitable for roads, squares, residential areas, parks, etc., and are applied to roads where pedestrians pass, such as sidewalks in roads and pedestrian areas in squares , walking paths in the park, etc. Background technique [0002] With the continuous popularization of the concept of sponge city, the use of permeable structures for sidewalks has gradually become the consensus of people, because the use of permeable structures for sidewalks has at least the following functions and meanings: it reduces the runoff of rainwater on the road surface, which is conducive to pedestrian travel; it reduces the flow of rainwater into stormwater pipes, The pressure of drainage pipes and channels is relieved; rainwater seeps into the soil foundation through the permeable structure, which can reple...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C5/00E01C15/00E01C11/22
Inventor 张忠桥袁杰张磊
Owner WUXI MUNICIPAL DESIGN INST
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