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A functional rain garden suitable for the interior of Shanghai urban community green space

A rain garden, functional technology, applied in waterway systems, sewage removal, building types, etc., can solve problems such as the qualitative description of rain gardens, and the specific methods and structural parameters of rain garden construction that are not involved in urban community green spaces. , to achieve the effect of improving the microclimate, enhancing the livability, and reducing the drainage pressure

Active Publication Date: 2017-01-25
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, Wang Shufen, Yang Le, and Bai Weilan wrote in "The Perfect Unity of Technology and Art—A Study on the Construction of Rain Gardens" (Chinese Garden, 2009, June), Xiang Lu, Li Junqi, and Kuang Nuo in "A Study of Rain Garden Design Methods" (Water and Drainage . Science, 2011, 39) all talked about the development background, successful case analysis, landscape application and design points of rain gardens, but they were all limited to the qualitative description of rain gardens and suggestions for its domestic development
None of the above patents and documents involve the specific methods and structural parameters for the construction of rain gardens in urban community green spaces

Method used

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  • A functional rain garden suitable for the interior of Shanghai urban community green space
  • A functional rain garden suitable for the interior of Shanghai urban community green space
  • A functional rain garden suitable for the interior of Shanghai urban community green space

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A functional rainwater garden 21 is set up in the green space between the model houses in the southern part of the landscape demonstration area of ​​the villa area in Xiangcheng District, Suzhou Greenland, to collect the runoff generated in the green space 22 . Such as image 3 with 4 As shown, the functional rain garden 21 has an area of ​​12m 2 , the shape is kidney-shaped, the length of the bottom is 4.8m, the width is 2.5m, and the thickness of the structure is 105cm, image 3 with Figure 4 The arrow 40 in gives the flow direction of the rainfall runoff.

[0041] The structure of the functional rain garden 21 includes a pretreatment facility 23, an aquifer 24, an infiltration facility 25 and an overflow facility.

[0042] Wherein, the pretreatment facility 23 includes a circular slope and gravel covered on the circular slope. The circular slope is located at the junction of the functional rain garden 21 and the green space 22. The slope of the circular slope is...

Embodiment 2

[0049] A functional rainwater garden 41 is set up in the green space among high-rise residential buildings in Shenghui Community, Baoshan Green Sea Area, Shanghai, to collect the runoff generated in the green space 42 . Such as Figure 5 with 6 As shown, the functional rain garden 41 has an area of ​​39m 2 , the shape is kidney-shaped, the bottom length is 8.5m, the width is 4.6m, and the structure thickness is 160cm, Figure 5 with Image 6 The arrow 60 in gives the flow direction of the rainfall runoff.

[0050] The structure of the functional rain garden 41 includes a pretreatment facility 43, an aquifer 44, an infiltration facility 45 and an overflow facility.

[0051] Wherein, the pretreatment facility 43 includes a circular slope and gravel covered on the circular slope, the circular slope is located at the junction of the functional rain garden and the green space 42, the slope of the circular slope is 30°, and the width is 67cm. The thickness is 12cm, and the part...

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Abstract

The invention discloses a functional rainwater garden suitable for the interior of an urban community grassy area in Shanghai. The functional rainwater garden suitable for the interior of urban community grassy area in Shanghai comprises pretreatment facilities, a water storage layer, water seepage facilities and an overflow facilities, wherein the pretreatment facilities comprise a ring-shaped side slope and gravels; the ring-shaped side slope is positioned on the periphery of the functional rainwater garden; the gravels are covered on the ring-shaped side slope; the water storage layer is a space formed by the ring-shaped side slope and the bottom of the functional rainwater garden in a horizontally encircling manner; the water seepage facilities are positioned at the bottom of the functional rainwater garden; the overflow facilities comprise an overflow pipe penetrating through the thickness direction of the water storage layer and an overflow drain pipe positioned at the bottom of the functional rainwater garden. The functional rainwater garden suitable for the interior of urban community grassy area in Shanghai provided by the invention can decrease the rainfall runoff peak value, purify water quality, supplement groundwater, reduce pressure on municipal water draining, improve microclimate and lift the livable degree of Shanghai.

Description

technical field [0001] The invention relates to a functional rainwater garden, in particular to a functional rainwater garden suitable for the interior of Shanghai urban community green spaces, and belongs to the technical field of rainwater management. Background technique [0002] In recent years, the impact of the "rain island effect" and "turbid island effect" in Shanghai has been intensified, and the precipitation in the city has been significantly greater than that in the surrounding suburbs. According to statistics, the rainfall in the flood season from June to September in the Shanghai area in the past 30 years has been in Xujiahui, an urban area. It is nearly 1.5% more than Fengxian in the suburbs. In addition, with the acceleration of urbanization, the area of ​​river courses in cities has been greatly reduced, and the underlying surfaces are mostly asphalt roads and cement roads, etc., which affect water infiltration. At present, my country's drainage standards a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04H3/00E03F1/00
Inventor 车生泉陈舒阚丽艳沈子欣谢长坤臧洋飞陈子涵
Owner SHANGHAI JIAOTONG UNIV
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