Strong draining and seepage-based upstream type tailings pond fill dam and damming technology thereof
A tailings pond, upstream technology, applied in filling and other directions, can solve problems such as difficulty in ensuring rapid tailings, sufficient drainage, immature research on unsaturated soils, and increased investment in grading station infrastructure. Low operating and construction costs, and the effect of preventing exposed slopes and dust
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[0045] A certain tailings pond adopts the present invention based on a strong drainage upstream tailings pond accumulation dam, such as Figure 7 As shown, the tailings pond accumulation dam is built on the basis of the two-stage dam structure of the tailings pond using the upstream damming method. The two-stage dam structure of the tailings pond includes the initial dam 1 arranged downstream of the tailings pond. And the seepage interception dam 2 arranged upstream of the initial dam 1. The upstream reservoir area of the interception dam 2 is the upper reservoir 13 which mainly stores fine tailings, and the reservoir area between the initial dam 1 and the seepage interception dam 2 is the main heap The lower reservoir 12 for storing coarse-grained tailings; the lower reservoir 12 uses the hydraulic classification of the hydraulic alluvial process to deposit the coarse-grained tailings in the lower reservoir first, and then accumulate the coarse-grained tailin...
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