Priority flow channel catchment structure
A flow channel and water collection technology, applied in the field of priority flow channel water collection structure, can solve the problems of waterlogging, subgrade drop, road edge damage, etc., and achieve a large surface area, high runoff control law, and not easy to damage Effect
Active Publication Date: 2021-04-16
WUHAN UNIV
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Problems solved by technology
[0006] The purpose of the present invention is to solve the problems in the prior art that the edge of the pavement will be damaged and the pavement will be waterlogged; the problem that the semi-permeable pavement cannot bear the load and relies too much on the municipal drainage pipe network; the construction area of the fully permeable pavement is limited and soaked in rainwater Problems with subgrade causing subgrade drop
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Embodiment
[0030] Such as figure 1 , 2 , the water collection structure of the preferential flow channel, which is arranged in the soil foundation at the lower part of the ordinary permeable pavement, includes the water collection structure layer of the preferential flow channel, the water collection structure layer of the preferential flow channel is a chamfered platform structure, and the cross section is an inverted trapezoid. The soil of the preferential flow channel is paved with soil, and the soil of the preferential flow channel has high water permeability, which ensures that after rainwater infiltrates, it will quickly gather to the rainwater infiltration pipe below it through the preferential flow channel layer.
[0031] The manufacturing steps of the preferential flow channel soil are:
[0032] 1. Get sample soil, described sample soil is the foundation soil of common construction site, is fully dry, and weighing quality is M;
[0033] 2. Take the medium sand with a mass of N...
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The preferential flow channel water collection structure is characterized in that it is set in the soil foundation below the ordinary permeable pavement and includes a preferential flow channel water collection structure layer, rainwater infiltration pipes, sewage interception devices, waste flow devices, water storage tanks, and water purifiers , clean water tank; the rainwater infiltration pipeline is located at the lower part of the preferential flow channel water collection structure layer, and collects the rainwater infiltrated into the priority flow channel water collection structure layer, and the rainwater infiltration pipeline is connected to the sewage interception device, and the sewage interception device The flow discarding device, water storage tank, water purifier, and water purification tank are connected in sequence; the water collection structure layer of the preferential flow channel is a chamfered platform structure with an inverted trapezoidal cross-section, which is formed by the soil of the preferential flow channel to ensure After rainwater infiltrates, the preferential flow channel layer converges to the rainwater infiltration pipes below it. The preferential flow channel structure has a high runoff control rate and can bear the load of road vehicles.
Description
technical field [0001] The invention relates to the field of water-permeable pavement road construction, in particular to a preferential flow channel water collection structure. Background technique [0002] At present, the types of permeable pavement used in practical engineering are divided into drainage pavement, semi-permeable pavement and fully permeable pavement. [0003] The permeable layer of the drainage pavement is the asphalt wear layer in the road structure. There is a waterproof layer between the asphalt wear course and the asphalt sublayer. After passing through the wear layer of asphalt, the rainwater is directed to the gutters on the edge of the road, and finally flows to the municipal stormwater network. At present, there are mainly two problems in the drainage pavement: 1. The drainage groove has no protective effect on the edge of the road surface, which will cause damage to the subgrade at the edge of the road surface. 2. Too much reliance on the munic...
Claims
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IPC IPC(8): E01C11/22E03F3/02E03F1/00E03F3/04E03F5/14E03F5/10E03F5/22
CPCE01C11/225E03F1/00E03F3/02E03F3/04E03F5/10E03F5/14E03F5/22Y02A10/30Y02A20/40
Inventor 曹容川方正唐智官钰希尚宇胡志操
Owner WUHAN UNIV