Alternate, multilayer and repetitive filling soil reconstruction method by using Yellow River sediment in reclamation of coal mining subsidence land
A coal mining subsidence and soil technology, which is applied in the fields of land preparation, water resources protection, agricultural machinery and tools, etc., can solve the problems of prolonging reclamation time, over-thickness of the Yellow River silt filling layer, unfavorable crop growth, etc. Settling time, improving water and fertilizer retention, and beneficial to growth and development
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[0025] The Yellow River silt reclamation coal mining subsidence land alternate multi-layer multiple filling soil reconstruction method proposed by the present invention is described in detail as follows in conjunction with the accompanying drawings and embodiments. The embodiment process of the application of this method is as follows figure 1 shown, including the following steps:
[0026](1) Determine the stripping thickness of the soil in the area to be filled and divide the filling strips: determine the thickness of the soil to be filled according to the subsidence depth of the coal mining subsidence area and the designed elevation to be reclaimed: determine the thickness of the soil to be filled according to the thickness of the soil to be filled and the maximum soil in the coal mining subsidence area Stripping thickness, to determine the soil stripping thickness of the coal mining subsidence, the soil stripping thickness of the coal mining subsidence is generally 0.5 ~ 1m,...
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