Vegetated ditch rainwater drainage pipe gallery system and construction method
A technology for planting grass ditches and drainage pipes, applied in water conservancy projects, artificial islands, underwater structures, etc., can solve problems such as water and soil loss, poor plant growth, deterioration and odor in grass planting ditches, and achieve the effect of ensuring healthy growth
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[0019] figure 1 , 2 As shown in , the rainwater drainage pipe gallery system of Zhicao Ditch includes subgrade stone 1, graded soil layer 2, geotextile 3, graded packing 4, rainwater grate 5, double-wall corrugated pipe inspection well 6, and arch storage equipment 7 , anti-seepage membrane 8, mud discharge equipment 9, roadbed stone 1 has several, several roadbed stones 1 are respectively located at the upper ends of the left and right sides of the grass-planting ditch 10, and each roadbed stone 1 has openings as water inlet holes, and the grass-planting ditch The foundation pit is excavated longitudinally at the lower end of the middle part of 10, the soil in the lower part of the grass-planting ditch 10 is compacted, and the arched storage device 7 is vertically installed in the foundation pit, and a mud discharge device 9 is installed at the lower end of the arched storage device 7 every about 30m. A double-wall corrugated pipe inspection well 6 is installed on the upper ...
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