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石家磨水库坝址为黑云母斑状花岗岩,位于西秦岭花岗岩体西北部,岩性单一,岩体完整性较差。在左坝肩发生的倾倒滑移现象对坝肩风化、稳定、渗漏带来一系列不良影响。为
The dam site of Shijia mill reservoir is biotite mottled granite, which is located in the northwestern part of the West Qinling granite. The lithology is single and the integrity of the rock mass is poor. The phenomenon of dumping and slipping at the left abutment dam has a series of adverse effects on weathering, stability and leakage of the abutment. for