Vibrations induced by high initial stress release during underground excavations
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- 作者：Wenzhuo Cao ; caowenzhuo08@126.com" class="auth_mail" title="E-mail the corresponding author ; Xibing Li ; Ming Tao ; Zilong Zhou
- 关键词：Deep underground ; Dynamic process ; Unloading vibration ; Unloading waveform
- 刊名：Tunnelling and Underground Space Technology
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：53
- 期：Complete
- 页码：78-95
- 全文大小：10340 K
文摘
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A mathematical physical model for the 2D unloading vibration was established.
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The influence factors of unloading vibration were verified by numerical simulation.
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The effect of in situ stress release on blasting vibration signals was evaluated.
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Distinct unloading vibration can only be generated under certain conditions.