山西大同同忻井田岩体应力状态分析及其应用
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摘要
为了分析同忻井田岩体应力空间分布特征及其与矿压显现的关系,利用地质动力区划方法对井田范围内的活动断裂进行识别和划分,以所划分的活动断块为构架,通过岩体应力状态分析系统计算确定了井田岩体应力状态,划定了高应力区、低应力区和高应力梯度区。结合矿压观测数据分析了矿压显现与岩体应力状态之间的关系,确定同忻井田矿压显现主要受到由活动断裂产生的高应力控制。研究结果可为同忻井田矿压显现预测及其控制提供指导。
In order to analyze the relationship between Tongxin mine field rock mass stress space distribution characteristics and strata behavior,active faults of mine range are identified and classified by geo-dynamic division.Then active fault blocks were as framework to determine mine field rock stress state by rock mass stress-state analysis system,high stress area,low stress area and high stress gradient area are divided in the range of mine.Combined with the mine pressure observation data analysis of the relationship between strata behavior and rock mass stress state,so as to determine the Tongxin mine field strata behavior mainly was controled by high stress which were affected by active faults.The research results could provide guidance for prediction and control of Tongxin mine field mine strata behavior.
In order to analyze the relationship between Tongxin mine field rock mass stress space distribution characteristics and strata behavior,active faults of mine range are identified and classified by geo-dynamic division.Then active fault blocks were as framework to determine mine field rock stress state by rock mass stress-state analysis system,high stress area,low stress area and high stress gradient area are divided in the range of mine.Combined with the mine pressure observation data analysis of the relationship between strata behavior and rock mass stress state,so as to determine the Tongxin mine field strata behavior mainly was controled by high stress which were affected by active faults.The research results could provide guidance for prediction and control of Tongxin mine field mine strata behavior.
引文
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[2]许忠淮,汪素云,俞言祥.根据观测的应力方向利用有限单元方法反演板块边界力[J].地震学报,1992,14(4):446-455.XU Zhonghuai,WANG Suyun,YU Yanxiang.Inversionof plate boundary stress based on the the direction ofobserved stress by finite element method[J].ActaSeismologica Sinica,1992,14(4):446-455.
[3]詹文欢.南海西北部现代活动构造及其生态环境灾害[M].北京:科学出版社,2004.ZHAN Wenhuan.Modern active tectonics and ecologicalenvironmental disasters in northwestern of South ChinaSea[M].Beijing:Science Press,2004.
[4]兰天伟,苏广福,韩军,等.地质动力区划预测煤与瓦斯突出[J].中国安全科学学报,2010,20(03):46-50.LAN Tianwei,SU Guangfu,HAN Jun,et al.Predictionof coal and gas outburst based on geo-dynamic division[J].China Safety Science Journal,2010,20(3):46-50.
[5]张宏伟,马义飞,段克信.地质动力区划在北票矿区的应用[J].东北煤炭技术,1996,4(2):39-42.ZHANG Hongwei,MA Yifei,DUAN Kexin.Applicationof designating geology dynamic field in Beipiao coal mine[J].Coal Technology of Northeast China.1996,4(2):39-42.
[6]陈学华,段克信,陈长华.地质动力区划与矿井动力现象区域预测[J].煤矿开采,2003,8(2):55-57.CHEN Xuehua,DUAN Kexin,CHNE Changhua.Geo-dynamic Division method and the regional forecast onmine dynamic phenomena[J].Coal Mining Technology,2003,8(2):55-57.
[7]朱亮璞.遥感地质学[M].北京:地质出版社,2001.ZHU Liangpu.Remote Sensing Geology[M].Beijing:Geology Press,2001.
[8]王金辉,王纪存,刘福魁.遥感在活动断裂研究中的应用[J].西部探矿工程,2007,3:117-119.WANG Jinhui,WANG Jicun,LIU Fukui.Application ofremote sensing in the study of active faults[J].West-china Exploration Engineering,2007,3:117-119.
[9]郑文俊,郭华,袁道阳,等.遥感影像信息在活动断裂研究中的应用[J].高原地震,2006,14(2):15-21.ZHENG Wenjun,GUO Hua,YUAN Daoyang,et al.Application of remote sensing image information in theresearch of active faults[J].Earthquake Research InPlateau,2006,14(2):15-21.
[10]周永刚,李三忠.遥感技术在南丹—都安断裂带研究中的应用[J].中国海洋大学学报,2009,39(9):428-434.ZHOU Yonggang,LI Sanzhong.Application of processingtechnology of remote sensing image nandan to Du’an faultzone,south China[J].Periodical of Ocean University ofChina,2009,39(9):428-434.
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