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Surface Cracking and Collapse Deformation in Mineral Development Zone and Its Model Establishment
Author(s): LI Xiaoyong, LIN Jian, YUAN Jinbang, LIN Xiaorong, QIU Feng
Pages: 617-
620
Year: 2012
Issue:
6
Journal: Resources Environment & Engineering
Keyword: 陡峻山区; 采矿工程; 地表开裂; 计算模型;
Abstract: 在地形陡峻的山区进行地下采矿工程活动时,倘若采矿方法和顶板管理措施不当,将可能引发严重地表开裂、塌陷(洞)和危岩崩塌灾害事件的发生.但其中最关键的问题是引发地表开裂变形的出现.通过对鄂西山区矿产开发环境地质评价预测研究,尤其是已出现严重地表开裂与崩塌灾害问题的典型矿山的调查研究,在分析灾害问题的发生、发展特点和形成机制基础上,提出了定量性的预测顶板以上开裂变形带高度的计算模型.经对宜昌磷矿多个开采矿山的验算,具有较大实践意义.
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