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中文摘要：
通过对西南某水利枢纽工程坝区煤系地层的系统研究,揭示了在坝区左右岸煤洞的展布特征,结合工程,分析了煤洞的存在及其变形的工程效应。最后,对煤洞的变形提出了针对性的处理建议。
英文摘要：
Based on the systematic study on the coal-bearing strata in the dam region of some hydraulic key project, southwest of China, the paper disclosures the distribution of the discarded caves, analyses the engineering effects of the existence and the deformation of the discarded coal caves during the construction of the hydraulic key project and running of it. At last, the authors present the recommendation to the treatment of the discarded coal eaves and deformed rockmass related to them.
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