Sponge city soft soil foundation rain garden and its construction method

A soft soil foundation and rain garden technology, applied in infrastructure engineering, soil protection, construction, etc., can solve problems such as affecting the use function of rain garden, long time required for deformation and stability, deformation of gravel layer and sand layer, etc. The effect of avoiding overall settlement, simple structure and convenient construction

Active Publication Date: 2021-10-12
ZHEJIANG GREEN ART GARDEN & PARK ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Building rain gardens on soft soil foundations, due to the engineering characteristics of high water content, high compressibility, poor water permeability, low strength and long time required for deformation stability of soft soil foundations, it is easy to cause overall settlement or local inadequacies under the action of rainwater seepage. Uniform settlement, causing deformation of the gravel and sand layers, thus affecting the use of the rain garden

Method used

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  • Sponge city soft soil foundation rain garden and its construction method
  • Sponge city soft soil foundation rain garden and its construction method
  • Sponge city soft soil foundation rain garden and its construction method

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Experimental program
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Embodiment Construction

[0096] The embodiments of the present invention will be described in detail below according to the above-mentioned drawings.

[0097] Such as Figure 1 to Figure 6 As shown, 1. Soft soil foundation, 2. Geogrid, 21. Geogrid OA section, 22. Geogrid slope OB section, 23. Geogrid slope BC section, 24. Geogrid slope CD section, 25. Anchorage end, 3. Gravel cushion, 4. Seepage pipe, 5. Non-woven geotextile filter layer, 6. Fine sand cushion, 7. Silt soil, 8. Green landscape, 81. Nursery stock, 82. Landscape stone, 9. Overflow well, 91. Design water level during rainstorm, 92. Overflow outlet.

[0098] The sponge city soft ground rainwater garden and its construction method belong to the field of sponge city construction, and its structure mainly includes figure 1 Soft soil foundation 1 and rain garden shown.

[0099] Among them, soft soil foundation 1 refers to the soil structure with high water content, high compressibility, poor water permeability, low strength and large deform...

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Abstract

The invention discloses a sponge city soft soil foundation rainwater garden and a construction method, which belong to the field of sponge city construction and include a soft soil foundation and a rainwater garden. Filtration layer, fine sand cushion, silt soil and green landscape, mainly set up geogrids on the soft soil foundation and the structural slope of the rain garden, thus avoiding the overall settlement of the rain garden caused by the seepage of rainwater or Local uneven settlement effectively ensures the stability of the overall structure such as gravel cushion and fine sand cushion, and ensures the use function of the rain garden. Therefore, the present invention is a rain garden structure with the advantages of simple structure, convenient construction, short construction period, low cost, safety and reliability, and beautiful environment. Combined with corresponding construction methods, it has high economic and social benefits.

Description

technical field [0001] The invention relates to the field of sponge city construction, in particular to a sponge city soft soil foundation rainwater garden and a construction method. Background technique [0002] Sponge city plays an overall role in natural ecological function and artificial intervention function, effectively controls rainwater runoff, and realizes the urban development mode of natural storage, natural infiltration and natural purification, which is conducive to the restoration of urban water ecology, conservation of water resources, enhancement of urban waterlogging prevention capabilities, and expansion Effective investment in public goods will improve the quality of new urbanization and promote the harmonious development of man and nature. [0003] The rain garden is the main component of the sponge city. From bottom to top, the general structure is soft soil foundation, gravel cushion, non-woven geotextile filter layer, fine sand cushion, silt soil and p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/00E02D3/00
CPCE02D3/00E02D3/005
Inventor 陈出新杨雪娟刘名坚谢其云刘淑贤陈久武叶海波王兰忠
Owner ZHEJIANG GREEN ART GARDEN & PARK ENG
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