工矿自动化2013，Vol.39Issue(6)：10-12,3.DOI:10.7526/j.issn.1671-251X.2013.06.003
声发射技术在地压监测中的应用
Application of acoustic emission technology in monitoring of underground pressure
摘要
Abstract
Through uniaxial compression acoustic emission experiments to goaf surrounding rock sample of a Mine,acoustic emission parameter values such as energy rate and event rate were obtained when rock failure.According to these values,parameters of acoustic emission monitoring system were set.Through statistics for long-term operation result of the acoustic emission monitoring system,waveforms of various underground activities namely rock acoustic emission,drilling,blasting,artificial crushing of large ore,ore drawing and percussion and parameter range of all kinds of the waveforms were summarized.Instability criterion of the goaf with characteristics of the energy rate and event rate were determined,so as to provide a reliable basis for judgment of underground pressure disaster.关键词
采空区/地压监测/声发射/声发射事件率/声发射能率Key words
goaf/ monitoring of underground pressure/ acoustic emission/ acoustic emission event rate/ acoustic emission energy rate分类
矿业与冶金引用本文复制引用
张洋,李占金,李示波,张艳博,付振..声发射技术在地压监测中的应用[J].工矿自动化,2013,39(6):10-12,3.基金项目
国家自然科学基金资助项目(51174071) （51174071）
河北省自然科学基金资助项目(E2012209047) （E2012209047）
河北省高等学校科学技术研究重点项目(ZH2012072). （ZH2012072）
