【摘要】 介绍了岩体声发射技术及应力、位移观测在云南某铜矿采空区稳定性监测中的应用情况,分析了监测过程中岩体声发射信号的变化特性以及采空区稳定性变化对区域内巷道和采场的影响,对矿山采空区监测预报作了初步的探讨.更多还原

【Abstract】 The paper introduces the application of acoustic emission technology and rock stress and displacement observation in monitoring stability of mined-out area of a copper mine in Yunnan Province.The change of acoustic emission signal characteristics and the influence of mined-out area stability changes on roadway and stope are analyzed.It also discusses the method of mined-out area stability monitoring and prediction in this paper.更多还原