柿竹园矿地下特大爆破的微震监测技术研究  

Microseism Monitoring for the Underground Extra Large-scale Blasting in Shizhuyuan Mine

作　　者：陈际经[1] 胡静云[2] 李庶林[2,3] 

机构地区：[1]湖南柿竹园有色金属有限责任公司,湖南郴州市423037 [2]长沙矿山研究院采矿工程技术研究中心,湖南长沙410012 [3]厦门大学建筑与土木工程学院,福建厦门市361005

出　　处：《矿业研究与开发》2011年第2期59-62,共4页Mining Research and Development

基　　金："十一五"国家科技支撑计划项目(2006BAB02B05-1)

摘　　要：柿竹园多金属矿采用中深孔大规模崩落工艺回采矿柱,特大爆破回采过程中,对岩石微震事件进行了监测,介绍了微震监测系统。通过微震监测,了解到群矿柱与垂悬顶板余震的时空变化特点,对群矿柱中的应力集中区域进行了较好的定位,进而对群矿柱与垂悬顶板进行了基于微震监测结果的稳定性评价,为井下安全生产和下一步回采矿柱的顺序提供了依据。In Shizhuyuan poly-metallic mine,large-scale caving with medium-length hole blasting is adopted to mine ore pillar.In the course of extra large-scale underground blasting,the microseismic events of rock was monitored.This paper describes the microseismic monitoring system.By microseismic monitoring,the temporal and spatial changes of aftershocks in the hanging roof and the pillar group were found out,and the areas of stress concentration in the pillar group were located.The stability evaluation of the hanging roof and the pillar group was made based on the results of microseismic monitoring,it provided a basis for the safety of underground mining and the design of mining order of remained ore pillars.

关 键 词：微震监测 矿柱回采 特大爆破 

分 类 号：TD76[矿业工程—矿井通风与安全]