With Agang reservoir in Qujing City as the research material,we analyzed the karst distribution in karst region by combining with the drilling,geophysical prospecting and connectivity test.The development law in the karst area was discussed,the dam site area was dominated by carbonate rock,karst development appeared in the area,the fault structure was well development,and the engineering geological condition was very complex.Based on the analysis of survey data and the development situation of regional karst,the karst development law in dam site area was discussed.%以曲靖市阿岗水库为背景,分析了岩溶地区岩溶分布,结合钻探、物探及连通实验等手段,论述了岩溶地区岩溶的发育规律.坝址区以碳酸盐岩为主,区内岩溶发育,断裂构造十分发育,工程地质条件复杂,通过对多年勘察资料的分析,结合区域岩溶发育情况,着重论述坝址区的岩溶发育规律.
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