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。
In exploding rock of hydraulic engineering construction, there is often a problem on optimizing disposition of wind-force for construction.
在水利水电工程石方开挖施工中，常遇到施工用风优化配置问题。
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