Numerical simulation on mining-induced water inrushes related to geologic structures using a damage-based hydromechanical model
Numerical simulation on mining-induced water inrushes related to geologic structures using a damage-based hydromechanical model
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DOI：
10.1007/s12665-010-0494-6
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发表时间：
2011
影响因子：
2.8
通讯作者：
Wancheng Zhu;C. Wei
中科院分区：
文献类型：
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作者：
Wancheng Zhu;C. Wei
大量统计资料表明，矿井突水与断层、岩溶陷落柱等地质构造有直接关系。了解地质构造对突水的控制机理，对于采取有效的防治措施具有重要意义。首先，基于弹性损伤理论建立了基于损伤的流体力学模型。接下来，该模型的数值实现与有限元方法，采用有限元软件包称为COMSOL Multiphysics，也验证了对一些现有的实验观察。最后，利用该模型对考虑断层和陷落柱影响的开采突水进行了数值模拟，得出了一些对防治突水和优化地下开采作业具有指导意义的结论。
A large number of statistics indicate that water inrush has a direct relationship with geological structures such as fault and karst collapse columns. Understanding the mechanism of water inrushes controlled by geologic structures is of vital importance for adopting effective measures to prevent their occurrence. The work begins with formulization of a damage-based hydromechanical model based on elastic damage theory. Next, the model is numerically implemented with finite element method by employing a finite element package called COMSOL Multiphysics, and is also validated against some existing experimental observations. Finally, the model is used to simulate the mining-induced groundwater inrushes when the effect of faults and karst collapse columns is considered in the numerical simulation, and some suggestive conclusions for preventing water inrushes and optimizing underground mining operations are drawn.