万福煤矿地应力场分布规律及其与地质构造的关系
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摘要
为了保证山东万福煤矿矿井建设和开采的安全,在前期勘探阶段即采用水压致裂法进行了矿区地应力场测量.分析了矿区的区域地质构造与现今构造运动特征、地震活动性及区域构造应力场,以及根据实测结果获得的矿区地应力场分布规律,确立了矿区实测地应力场与区域地质构造的一致性关系.
In order to ensure safety of capital construction and mining operation in Wanfu Coal Mine,in-situ stress measurement with hydraulic fracturing technique was carried out in the early exploration stage.The characteristics of regional geological structures and tectonic movements,as well as the earthquake activities and regional tectonic stress field were analyzed.Based on results of hydraulic fracturing measurement,the distribution law of in-situ stress field in Wanfu Coal Mine was obtained.Through comparison analysis,the distribution law of in-situ stress field obtained by the practical measurement shows good agreement with the regional tectonic stress field.
In order to ensure safety of capital construction and mining operation in Wanfu Coal Mine,in-situ stress measurement with hydraulic fracturing technique was carried out in the early exploration stage.The characteristics of regional geological structures and tectonic movements,as well as the earthquake activities and regional tectonic stress field were analyzed.Based on results of hydraulic fracturing measurement,the distribution law of in-situ stress field in Wanfu Coal Mine was obtained.Through comparison analysis,the distribution law of in-situ stress field obtained by the practical measurement shows good agreement with the regional tectonic stress field.
引文
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[2]蔡美峰.地应力测量原理和技术[M].北京:科学出版社,2000.Cai Meifeng.Principle and techniques of rock stress measurement[M].Beijing:Science Press,2000.
[3]蔡美峰.金属矿山采矿设计优化与地压控制-理论与实践[M].北京:科学出版社,2001.Cai Meifeng.Optimization of mining design and control of ground pressure in metal mines-theory and practice[M].Beijing:Science Press,2001.
[4]山东煤炭地质工程勘察研究院.山东省巨野煤田万福井田勘探报告[R].泰安:山东煤炭地质工程勘察研究院,2005.Shandong Institute of Coal Geological-Engineering Exploration.Exploration report of Wanfu coal mine in Juye coalfield[R].Tai’an:Shandong Institute of Coal Geological-Engineering Exploration,2006.
[5]王学潮.聊城-兰考断裂综合研究及黄河下游河道稳定性分析[M].北京:黄河水利出版社,2001.Wang Xuechao.Synthetical study of Liaocheng-Lankao fracture and stability analysis of Yellow River course in lower reaches[M].Beijing:Yellow River Water Conservancy,2001.
[6]胡长和.1937年菏泽地震[M].北京:地震出版社,1991.Hu Changhe.Earthquake occurred in Heze in 1973[M].Beijing:Earthquake Press,1991.
[7]蔡美峰,陈长臻,彭华,等.万福煤矿深部水压致裂法地应力测量[J].岩石力学与工程学报,2006,25(3):1 069-1 074.Cai Meifeng,Chen Changzhen,Peng Hua,et al.In-situ stress measurement by hydraulic fracturing technique in deep positionof Wanfu Coal Mine[J].Chinese Journal of Rock Mechanics and Engineering,2006,25(3):1 069-1 074.
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