冲击地压的构造应力条件
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摘要
为建立大安山矿冲击地压危险性与井田地应力场之间的内在联系,结合大安山矿地应力测量结果,全面分析了大安山矿地应力场的类型、作用特征及其与区域构造的关系.分析大寒岭倒转向背斜的形迹、剖面特征及其对井田地应力场的影响,采用数值模拟方法对研究结果进行验证.研究表明:水平构造应力在大安山井田应力场中起控制作用,井田应力场为典型的构造应力场,井田内最大主应力为NW-SE向.大寒岭倒转向斜发育的次级褶皱——百草台倒转向斜轴部区域应力集中,为向斜南翼的2~3倍.大安山矿处于极高应力状态,具备发生冲击地压的构造应力条件.
In order to establish the inner relationship between rock burst hazard and stress field in Daanshan coal mine,this paper utilized the stress measurement results to analyze the types and features of stress field and its relationship with regional tectonic,analyzed the appearance and profile characteristics of Da Hanling exocline and its effect on stress field,and validated the results by using the numerical simulation method.The research results show that the horizontal tectonic stress plays a control role in Da'anshan stress field.The stress field is typical tectonic stress field and the maximum principal stress is NW-SE.Da Hanling inverted syncline grows secondary folds——Bai Caotai inverted syncline is a stress concentration region,its stress is 2~ 3 times of South Syncline.Daanshan coal mine is in very high stress state,and it has the tectonic stress condition for rock burst.
In order to establish the inner relationship between rock burst hazard and stress field in Daanshan coal mine,this paper utilized the stress measurement results to analyze the types and features of stress field and its relationship with regional tectonic,analyzed the appearance and profile characteristics of Da Hanling exocline and its effect on stress field,and validated the results by using the numerical simulation method.The research results show that the horizontal tectonic stress plays a control role in Da'anshan stress field.The stress field is typical tectonic stress field and the maximum principal stress is NW-SE.Da Hanling inverted syncline grows secondary folds——Bai Caotai inverted syncline is a stress concentration region,its stress is 2~ 3 times of South Syncline.Daanshan coal mine is in very high stress state,and it has the tectonic stress condition for rock burst.
引文
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[17]韩军,张宏伟,兰天伟,等.京西煤田冲击地压的地质动力环境[J].煤炭学报,2014,39(6):1 056-1 062.Han Jun,Zhang Hongwei,Lan Tianwei,et al.Geodynamic environment of rockburst in western Beijing coalfield[J].Journal of China Coal Society,2014,39(6):1 056-1 062.
[2]周文光,刘文广,姜耀东,等.采场冲击地压的能量积聚释放特征分析[J].采矿与安全工程学报,2008,25(1):73-77.Zhou Wenguang,Liu Wenguang,Jiang Raodong,et al.Characteristics of energy accumulation and release of rock out burst in mining Face[J].Journal of Mining&Safety Engineering,2008,25(1):73-77.
[3]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,2005,24(16):2 803-2 813.He Manchao,Xie Heping,Peng Suping,et al.Study on rock mechanics in deep mining engineering[J].Chinese Journal of Rock Mechanics and Engineering,2005,24(16):2 803-2 813.
[4]彭苏萍.深部煤炭资源赋存规律与开发地质评价研究现状及今后发展趋势[J].煤,2008,17(2):1-12.Peng Suping.Present Study and development trend of the deepencoal resource distribution and mining geologic evaluation[J].Coal.2008,17(2):1-12.
[5]李长洪,张吉良,蔡美峰,等.大同矿区地应力测量及其与地质构造的关系[J].北京科技大学学报,2008,30(2):115-119.Li Changhong,Zhang Jiliang,Cai Meifeng,et al.Measurement of in-situ stress and relationship between the stress and geologicstructure in Datong mining area[J].Journal of University of Science and Technology Beijing,2008,30(2):115-119.
[6]陈国祥,窦林名,乔中栋,等.褶皱区应力场分布规律及其对冲击矿压的影响[J].中国矿业大学学报,2008,37(6):751-755.Chen Guoxiang,Dou Liming,Qiao Zhongdong,et al.The stress field distribution in folding structure areas and its impaction on rock burst[J].Journal of China University of Mining&Technology,2008,37(6):751-755.
[7]姜耀东,潘一山,姜福兴,等.我国煤炭开采中的冲击地压机理和防治[J].煤炭学报,2014,39(2):205-213.Jiang Yaodong,Pan Yishan,Jiang Fuxing,et al.State of the art review on mechanism and prevention of coal bumps in China[J].Journal of China Coal Society,2014,39(2):205-213.
[8]潘一山,李忠华,章梦涛.我国冲击地压分布、类型、机理及防治研究[J].岩石力学与工程学报,2003,22(11):1 844-1 851.Pan Yishan,Li Zhonghua,Zhang Mengtao.Distribution,type,mechanism and prevention on rockbrust in China[J].Chinese Journal of Rock Mechanics and Engineering,2003,22(11):1 844-1 851.
[9]张宏伟,韩军,宋卫华,等.地质动力区划[M].北京:煤炭工业出版社,2009.Zhang Hongwei,Han Jun,Song Weihua,et al.Geo-dynamic division[M].Beijing:China Coal Indus-try Publishing House,2009.
[10]王志辉,张宏伟,石永生.地质动力区划在新汶潘西矿的应用[J].辽宁工程技术大学学报:自然科学版,2005,24(S):1-3.Wang Zhihui,Zhang Hongwei,Shi Yongsheng.Application of geological dynamic division of Panxi mine[J].Journal of Liaoning Technical University:Natural Science,2005,24(S):1-3.
[11]韩军,梁冰,张宏伟,等.开滦矿区煤岩动力灾害的构造应力环境[J].煤炭学报,2013,38(7):1 154-1 160.Han Jun,Liang Bing,Zhang Hongwei,et al.Tectonic stress environment of coal and rock dynamichazard in Kailuan mini-ng area[J].Journal of China Coal Society,2013,38(7):1 154-1 160.
[12]黄秀铭,汪良谋,徐杰,等.北京地区新构造运动特征[J].地震地质,1991,13(1):43-51.Huang Xiuming,Wang Liangmou,Xu Jie,et al.Characteristics of neotectonic movement in Beijing area[J].Seismology and Geology,1991,13(1):43-51.
[13]蔡美峰,何满潮,刘东燕.岩石力学与工程[M].北京:科学出版社,2006.Cai Meifeng,He Manchao,Liu Dongyan.Rock Mechanics and Engineering[M].Bei jing:Science Press,2006.
[14]孙叶,谭成轩.中国现今区域构造应力场与地壳运动趋势分析[J].地质力学学报,1995,3(1):1-11.Sun Ye,Tan Chengxuan.An analysis of present regional tectonic stress field and crustal movement trend in China[J].Journal of Geomechanics,1995,3(1):1-11.
[15]中华人民共和国水利部.GB50218-94.工程岩体分级标准[S].北京:中国计划出版社,1994.The Ministry of Water Resources of the People's Republic of China.GB50218-94.Classification Standard of Engineering rock[S].Beijing:China Planning Press,1994.
[16]阚兴,陈宫,程孝海.地形条件对大安山井田地应力的影响[J].辽宁工程技术大学学报:自然科学版,2011,30(5):662-666.Kan Xing,Chen Gong,Cheng Xiaohai.In-situ stress under landform influence in Daanshan mining area[J].Journal of Liaoning Technical University:Natura Science,2011,30(5):662-666.
[17]韩军,张宏伟,兰天伟,等.京西煤田冲击地压的地质动力环境[J].煤炭学报,2014,39(6):1 056-1 062.Han Jun,Zhang Hongwei,Lan Tianwei,et al.Geodynamic environment of rockburst in western Beijing coalfield[J].Journal of China Coal Society,2014,39(6):1 056-1 062.
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