| 某露天煤矿高台阶抛掷爆破地震效应监测与分析 |
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| 引用本文： | 陈庆凯,李贵臣,李克民.某露天煤矿高台阶抛掷爆破地震效应监测与分析[J].爆破器材,2008,37(6). |
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| 作者姓名： | 陈庆凯 李贵臣 李克民 |
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| 作者单位： | 东北大学,辽宁沈阳,110004;中国矿业大学,江苏徐州,221116 |
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| 摘 要： | 为了积累高台阶抛掷爆破时地震效应的经验,采用MiniMate Plus爆破地震仪对黑岱沟露天煤矿第一次高台阶抛掷爆破产生的地震效应和爆破噪声进行了监测,详细地分析了爆破地震波和爆破噪声的强度、频率、持续时间等特征参数.分析结果表明,本次爆破对矿区周围的被保护对象不会造成破坏,并可以利用仪器记录爆破地震波和爆破噪声起始时间的差值,计算出岩体的纵波速度.研究结果对该矿山后续的高台阶抛掷爆破的设计具有参考价值.
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| 关 键 词： | 爆破地震效应 高台阶抛掷爆破 优势频率 纵波速度 |
Monitor and Analysis on Explosive Seismic Effect of High-Bench Cast Blast of Surface Coal Mine |
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| Chen Qingkai,Li Guichen Northeastern UniversityLi KeminChina University of Mining , Technology.Monitor and Analysis on Explosive Seismic Effect of High-Bench Cast Blast of Surface Coal Mine[J].Explosive Materials,2008,37(6). |
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| Authors: | Chen Qingkai Li Guichen Northeastern UniversityLi KeminChina University of Mining Technology |
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| Affiliation: | Chen Qingkai,Li Guichen Northeastern University(Liaoning Shenyang,110004)Li KeminChina University of Mining , Technology(Jiangsu Xuzhou,221116) |
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| Abstract: | In order to accumulate the experience of explosive seismic effect of high bench cast blast,MiniMate Plus blast seismograph is used to monitor on the explosive seismic effect and explosive noise of the first high bench cast blast of Hei Daigou Surface Coal Mine.The characteristics parameters of intensity,frequency and duration of both explosive seismic wave and explosive noise are detailedly analysed.The analysis result makes it clear that it is impossible for the protected objects around the mining area to ... |
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| Keywords: | explosive seismic effect high bench cast blast dominant frequency longitudinal wave velocity |
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