| 流变性岩层下矿柱岩爆的发生条件与滞后时间 |
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| 引用本文： | 徐曾和 李宏. 流变性岩层下矿柱岩爆的发生条件与滞后时间[J]. 西部探矿工程, 1996, 8(2): 26-30 |
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| 作者姓名： | 徐曾和 李宏 |
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| 作者单位： | 东北大学１３８信箱 |
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| 摘 要： | 针对厚层状粘弹性顶板下煤柱岩爆问题建立了一个简单力学模型，并据此讨论了岩爆的非稳定机制，建立了这种条件下岩爆发生的判别准则，对岩爆滞后现象给出了一种理论解释，并推出了岩爆滞后时间ｔｃ与岩爆最大滞后时间ｔｃｍａｘ的表达式。
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| 关 键 词： | 粘弹性，岩爆，判别准则，岩爆滞后，最大滞后时间 |
The Occurrence Condition And The Hysteresis Time For The Rockburst Of The Ore Pillar Under Te Rheologic Rock Seam |
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| Xu Zenghe Li Hong Xu Xiaohe. The Occurrence Condition And The Hysteresis Time For The Rockburst Of The Ore Pillar Under Te Rheologic Rock Seam[J]. West-china Exploration Engineering, 1996, 8(2): 26-30 |
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| Authors: | Xu Zenghe Li Hong Xu Xiaohe |
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| Abstract: | Ln the paper,a simple mechanics model for the rockburst problem of the coal pillar under the thick seam vis-coelastic roof is established.Based on it,the unstability me-chanics of rockburst is discussed and the discniminant criterionof rockburst occurrence on this condition is established.A the-oretical explanation for the phenomenon of rocklourst hystere-sis is given out.Furthermore,the expressive formulas for the hysteresis time of rockburst tc and the maximum hysteresistime of rockburst tcmax are deduced. |
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| Keywords: | viscoelasticit rockburst discriminant criterion the rockburst hysteresis the makimum hysteresis time |
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