A bedding fault zone in layer C5 and a fractured fault zone which determine the stability against sliding and bearing capacity of the dam exist in the dam foundation of Tongjiezi project.
铜街子水电站大坝基础存在有控制大坝抗滑稳定和承载力的C_5层间错动带和断层破碎带。
According to shallow seismic survey results the boreholes are placed on the fractured zone of a fault and the required quality and quantity of water are obtained.
根据浅震勘察结果，在断层破碎带上布置钻孔，获得了满足需求的水质和水量。
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