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
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[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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