A cohesive soil primary dam structure for upstream tailings pond
A technology for initial dams and tailings ponds, applied in waterway systems, marine engineering, construction, etc., can solve the problems of poor water permeability of earth-rock dams, high construction costs, consumption of large stone resources, etc. Cost, simple construction effect
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[0035] A cohesive soil primary dam structure for an upstream tailings pond according to the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0036] Depend on figure 1 The present invention is shown a kind of cohesive soil primary dam structure cross-sectional schematic diagram for upstream type tailings pond and combined with figure 2 It can be seen that a kind of cohesive soil initial stage dam structure used for upstream tailings reservoir of the present invention is provided with abutment intercepting ditches on the mountains on both sides of the initial stage dam, and dam foot drainage ditch 4 is set at the dam foot of the initial stage dam. The water outlet end of the dam abutment intercepting ditch is connected with the dam foot drainage ditch 4, and the following technical scheme is adopted:
[0037] 1) The fine-grained soil layer, composite geomembrane, coarse sand layer, block stone layer, a...
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