A double-layer face rockfill dam and its construction method
A concrete face rockfill dam and rockfill technology, which is applied to double-layer face rockfill dams and their construction fields, can solve the problems of complex construction procedures of composite material faceplates, incomplete control of filling indicators, and high requirements for construction conditions. Suitable for popularization and application, fast construction speed and simple construction effect
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[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0023] Such as Figure 1~4 As shown, a double-face rockfill dam includes a rockfill accumulation body 1, a concrete face plate 2, a geomembrane 3 and a polymer composite face plate 4, and the polymer composite face plate 4 is covered on the upstream side of the rockfill accumulation body 1, A geomembrane 3 is covered on the polymer composite panel 4 , and a concrete panel 2 is covered on the geomembrane 3 .
[0024] Among them, the cross-section of the rockfill accumulation body 1 is trapezoidal in shape, and the concrete face plate 2 is formed by pouring steel mesh 5 and self-compacting concrete 6; the reinforcement rate of the concrete face plate is 60-100kg / m 3 . The high polymer composite panel 4 is composed of high polymer 7 and rockfill filled in the pile; the thickness of the high polymer composite panel 4 is not less than 50cm.
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