研究区洞群洞腔发育受区域构造裂隙的控制，与地下水文网的关系密切；
The development of the caves is in close connection with underground drainage network;
西安理工大学对一级开发大柳树高土石坝洞群围岩稳定性、高边坡进行了分析研究。
The analytic study on stability and high slope of tunnel rock mass has been carried out by Xi 'an University of Science and Technology for one-stage development of Daluishu earth-rockfill dam.
对泰安抽水蓄能电站地下洞群围岩稳定性进行了三维有限元数值模拟研究，结果表明：围岩最薄弱部位有时可能在距洞端一定距离上；
The numerical study shows that the weak position is not located at the middle of the powerhouse, but at the part with certain distance to one end of the power house.
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