The structure and operation flow of the calculation modules of SCS G2004 earth-rock volumes as well as the secondary treat-ment of the earth-rock volumes, calculation method for the allowable over-excavation volume and their specific application in Three Gor-ges Project are introduced so as to provide reference to others in practice .%主要介绍了SCS G2004土石方工程量计算模块的结构、操作流程以及土石方工程量二次处理、允许超挖量的计算方法以及在三峡工程中的具体应用,对读者和同行在实际工作中具有参考应用价值。
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