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Improving method of intercepting ditch and intercepting ditch based on sponge urban runoff accumulation

A technology of sponge city and intercepting ditches, which is applied in the direction of waterway system, sewage discharge, water supply equipment, etc., can solve the problems of influence of research results and long time consumption, and achieve the goal of preventing soil erosion, quick landscape effect and natural landscape effect Effect

Pending Publication Date: 2018-12-18
GUIZHOU SURVEY & DESIGN RES INST FOR WATER RESOURCES & HYDROPOWER
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  • Application Information

AI Technical Summary

Problems solved by technology

If the traditional intercepting ditch is used, the water cannot penetrate into the intercepting ditch of the solid wall during the runoff infiltration process of the water flow. If you want to study or use the infiltrating water flow, it will take a long time, and the research results will also be affected. will affect

Method used

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  • Improving method of intercepting ditch and intercepting ditch based on sponge urban runoff accumulation
  • Improving method of intercepting ditch and intercepting ditch based on sponge urban runoff accumulation
  • Improving method of intercepting ditch and intercepting ditch based on sponge urban runoff accumulation

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Embodiment 1

[0034] See attached Figure 6 , the above-mentioned intercepting ditch based on the runoff of the sponge city, the inner side wall 2 of the lower ditch body in both forms has water permeability, and the middle flow of the soil infiltrates from the high place to the low place, and the two forms of the intercepting ditch The side wall drain hole 4 infiltrates the lower ditch body, and the water flow is collected in the ditch body and flows into the connected flow measuring ditch, and the flow is measured by the lower side ditch body flow measuring instrument 5 on the flow measuring ditch; the surface water flow is measured by The drain hole 4 flows into the upper ditch, collects the small flow of water in the ditch, and flows into the flow measuring ditch connected to the upper ditch, and uses the upper ditch flow measuring instrument 8 on the flow measuring ditch to measure the flow .

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Abstract

The invention discloses an improving method of an intercepting ditch and the intercepting ditch based on sponge urban runoff accumulation. The ditch adopts two upper and lower ditch structures, two ditches share one outer side wall, and a drain hole is formed in the outer side wall or a stone cage retaining wall is used for constructing to form a water discharge structure, so that the side wall has water permeability and infiltrated water flows can penetrate into the intercepting ditch through the drain hole or the stone cage retaining wall. The ditches of the lower side of the intercepting ditch can combine with the characteristic of large infiltration rate of rainwater in the sponge urban runoff, so that infiltrated inter-flows are discharged into the intercepting ditch through the drainhole of the inner side so as to conveniently collect the inter-flows in the intercepting ditch, and flow, water quality and the like of the inter-flows are observed and tested; the ditch on the upperside can collect water flows of small flow on the ground surface, and the flow and the like of the water flows on the ground surface are observed to overcome the shortcomings of the prior art.

Description

technical field [0001] The invention relates to the technical field of water conservancy and hydropower engineering, in particular to a method for improving an intercepting ditch and an intercepting ditch based on runoff accumulation in a sponge city. technical background [0002] Sponge city is a new generation of urban stormwater management concept. It refers to the city's good "elasticity" in adapting to environmental changes and responding to natural disasters caused by rainwater. It can also be called "water elastic city". The international general term is "low-impact development stormwater system construction". When it rains, it absorbs, stores, infiltrates, and purifies water, and "releases" the stored water for use when needed. [0003] The intercepting ditch, also known as the gutter, is a ditch set up outside the top of the cutting slope to intercept the water flowing to the subgrade on the hillside (the specification stipulates that the distance from the outer ed...

Claims

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Application Information

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IPC IPC(8): E03F5/10E03F1/00
CPCE03F1/00E03F5/10E03F5/102E03F5/105
Inventor 李析男刘颖赵先进罗志远余红敏杨荣芳
Owner GUIZHOU SURVEY & DESIGN RES INST FOR WATER RESOURCES & HYDROPOWER
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