白音华二号露天矿北帮西区边坡变形特征与应急处置  

Slope deformation characteristics and emergency disposal of west area in north slope of Baiyinhua No.2 Open-pit Mine

作　　者：敖庆有 申力 侯伟 韩晓极 侯成恒 AO Qingyou;SHEN Li;HOU Wei;HAN Xiaoji;HOU Chengheng(SPIC Inner Mongolia Baiyinhua Coal&Power Co.,Ltd.,Xilinhaote 026200,China;China Coal Technology and Engineering Group Shenyang Research Institute Co.,Ltd.,Fushun 113122,China;State Key Laboratory of Coal Mine Safety Technology,Fushun 113122,China)

机构地区：[1]国家电投集团内蒙古白音华煤电有限公司,内蒙古锡林浩特026200 [2]中煤科工集团沈阳研究院有限公司,辽宁抚顺113122 [3]煤矿安全技术国家重点实验室,辽宁抚顺113122

出　　处：《露天采矿技术》2023年第2期28-33,37,共7页Opencast Mining Technology

摘　　要：以白音华二号露天矿北帮西区复合边坡为研究对象,根据变形区层状边坡岩体结构类型及其发育特征,通过监测数据采集与分析,在现场实际条件及稳定性演算综合分析的基础上,提出并制定了先期前缘回填压脚、后缘分期分区清方削坡与整形等变形体应急处置分步实施方案与措施。结果表明:对于剪出层位明确的层状岩体边坡变形破坏治理问题,监控条件下前缘回填压脚与后缘减荷削坡应急综合处置措施是防止近水平层状边坡突发性滑坡灾害的行之有效的方法;而边坡监测系统是边坡变形及早预防、及时预警与处置研判的基础。Taking the compound slope of west area in north slope of Baiyinhua No.2 Open-pit Mine as the research object,according to the structural type and development characteristics of layered slope rock mass in deformation area,through monitoring data collection and analysis,on the basis of comprehensive analysis of actual site conditions and stability calculation,the article puts forward and formulates the step-by-step implementation plan and measures for emergency disposal of deformed bodies,such as front edge backfilling presser foot,trailing edge clearing,slope cutting and reshaping by stages and zones.The results show that for the treatment of deformation and failure of layered rock slope with clear shear horizon,the comprehensive emergency disposal measures of front edge backfill foot and rear edge load reduction slope cutting under monitoring conditions are effective methods to prevent the sudden landslide disaster of near horizontal layered slope.The slope monitoring system is the basis for early prevention,timely warning and disposal of slope deformation.

关 键 词：变形失稳 露天矿 边坡稳定性 雷达监测 层状边坡 

分 类 号：TD824.7[矿业工程—煤矿开采]