During the anchoring and shotcreting construction at the rock heading blast advancement face, problems such as support strength can not be guaranteed or engineering quality uneasy to control exist.
岩巷炮掘工作面的锚喷施工存在支护强度得不到保证、工程质量不易控制等问题。
RCCD is wide used in hydraulic engineering because it takes advantages of concrete dam's structure and material and earth-rock dam's construction method.
碾压混凝土坝是将混凝土坝结构和材料与土石坝施工方法的优越性结合起来，在水利工程中得到广泛应用。
The response and safety of rock cavern (tunnel) under earthquake are the difficulties and hot pots for construction of hydraulic engineering in the intensive earthquake area of West China.
地震荷载作用下岩体洞室响应与安全分析是我国西部强地震区大型水利工程建设中需要解决的难点和热点问题之一。
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