大安山矿工作面开采煤岩冲击危险性动态评价研究
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摘要
煤岩冲击灾害会造成工作面及巷道严重变形及破坏,影响煤矿的安全和高效开采,如何有效评价工作面开采过程的煤岩冲击危险性显得尤为重要。以大安山矿轴7槽西一面为研究对象,对其开采过程中的冲击危险性进行了动态评价,包括:采前冲击危险性预评价、开采过程冲击危险性实时评价和实施防冲措施后冲击危险性再次评价。评价结果与开采现场冲击危险的实际情况相吻合,真实地反映了工作面开采煤岩冲击危险性的空间区域特征和时间动态特征。
Coal and rock bursting disaster may lead to serious deformation and fracture of working face and tunnel,affect coalmine safety and highly-efficient coal mining. It is very important that how to effectively evaluate the hazard of coal and rock bursting in the mining. Xiyi working face in No. 7 coalbed of Daanshan Coalmine was taken as a case study, we carried out the rockburst hazard assessment for this working face, which included:pre-evaluation before mining,real-time evaluation in mining,and re-evaluation after implementation of anti-burst measures. The evaluation results match with rockburst hazard degree of the mining on-site,reflect really the spatial regional and the temporal dynamic characteristics of rockburst hazard at this working face.
Coal and rock bursting disaster may lead to serious deformation and fracture of working face and tunnel,affect coalmine safety and highly-efficient coal mining. It is very important that how to effectively evaluate the hazard of coal and rock bursting in the mining. Xiyi working face in No. 7 coalbed of Daanshan Coalmine was taken as a case study, we carried out the rockburst hazard assessment for this working face, which included:pre-evaluation before mining,real-time evaluation in mining,and re-evaluation after implementation of anti-burst measures. The evaluation results match with rockburst hazard degree of the mining on-site,reflect really the spatial regional and the temporal dynamic characteristics of rockburst hazard at this working face.
引文
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[3]蔡美峰,何满潮,刘东燕,等.岩土力学与工程[M].北京:科学出版社,2002.CAI Meifeng,HE Manchao,LIU Dongyan,et al.Rock Mechanics and Engineering[M].Beijing:Science Press,2002.(in Chinese)
[4]何满潮,谢和平,彭苏萍,等.深部开采岩体力学研究[J].岩石力学与工程学报,2006,24(16):2803-2813.HE Manchao,XIE Heping,PENG Suping,et al.Study on rock mechanics in deep mining engineering[J].Chinese Journal of Rock Mechanics and Engineering,2006,24(16):2803-2813.(in Chinese)
[5]窦林名,何学秋.冲击地压防治理论与技术[M].徐州:中国矿业大学出版社,2001.DOU Linming,HE Xueqiu.Theory and Technology of Rock Burst Prevention[M].Xuzhou:China University of Mining and Technology Press,2001.(in Chinese)
[6]齐庆新,陈尚本,王怀新,等.冲击地压、岩爆、矿震的关系及数值模拟研究[J].岩石力学与工程学报,2003,22(11):1852-1858.Qi Qingxin,Cben Sbangben,Wang Huaixin,et al.Study on relations among coal bump,rock burnt and mining tremor with numerical simulation[J].Journal of Rock Mechanics and Engineering,2003,22(11):1852-1858.(in Chinese)
[7]Frid V.Rockburst hazard forecast by electromagnetic radiation excited by rock fracture[J].Rock Mechanics and Rock Engineering,1997,30(4):229-236.
[8]何学秋,王恩元,聂百胜,等.煤岩流变电磁动力学[M].北京:科学技术出版社,2003.HE Xueqiu,WANG Enyuan,NIE Baisheng,et al.Electromagnetic Dynamic of Coal or Rock Rheology[M].Beijing:Science Press,2003.(in Chinese)
[9]王恩元,何学秋,刘贞堂.煤岩电磁辐射特性及其应用研究进展[J].自然科学进展,2006,16(5):532-536.HE Xueqiu,WANG Enyuan,LIU Zhentang,et al.The research progress of EMR character of coal or rock and its application[J].Progress Natural Science,2006,16(5):532-536.(in Chinese)
[10]王恩元,何学秋,李忠辉,等.煤岩电磁辐射技术及其应用[M].北京:科学出版社,2009.HE Xueqiu,WANG Enyuan,LI Zhonghui,et al.EMR Technology of Coal and Rock and its Application[M].Beijing:Science Press,2009.(in Chinese)
[11]WANG EY,LIU XF,HE XQ,et al.Application of electromagnetic radiation technology in rock burst prediction in Coal Mines[C]//Chun’an TANG.Controlling Seismic Hazard and Sustainable Development of Deep Mines.Rinton Press,New York/New Jersey,2009,2:945-950.
[12]刘晓斐,王恩元,赵恩来,等.孤岛工作面冲击地压危险综合预测及效果验证[J].采矿与安全工程学报,2010,27(2):215-218.LIU Xiaofei,WANG Enyuan,ZHAO Enlai,et al.Study on Multi-Prediction of Rockburst in the Mining of Gob-Surrounded Coal Face and Demonstration[J].Journal of Mining&Safety Engineering,2010,27(2):215-218.(in Chinese)
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