| 大型地下洞室复杂地质断层数值模拟分析方法 |
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| 引用本文： | 肖明,陈俊涛.大型地下洞室复杂地质断层数值模拟分析方法[J].岩土力学,2006,27(6):880-884. |
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| 作者姓名： | 肖明 陈俊涛 |
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| 作者单位： | 武汉大学 水资源与水电工程国家重点实验室，武汉 430072 |
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| 摘 要： | 根据大型地下洞室中复杂断层对围岩稳定的影响，提出了隐含断层单元的数值模拟计算方法。该方法将复杂断层单元隐含在岩体单元中，使得岩体单元的剖分不受断层切割的影响。使用这种隐含的断层单元，不但将受复杂断层切割的大型复杂地下洞室群的有限单元离散简单化，加快分析计算周期，而且能够有效地反映断层对复杂地下洞室围岩稳定的影响。通过对三峡地下厂房复杂断层结构的分析计算，证明该方法为复杂断层结构的分析提供了一种十分有效的计算方法和思路。
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| 关 键 词： | 复杂地质 隐含断层 数值分析 |
| 文章编号： | 1000-7598-（2006）06-0880-05 |
| 收稿时间： | 2004-12-08 |
| 修稿时间： | 2004年12月8日 |
Numerical simulation and analysis method of complex geologic faults in large underground chamber |
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| XIAO Ming,CHEN Jun-tao.Numerical simulation and analysis method of complex geologic faults in large underground chamber[J].Rock and Soil Mechanics,2006,27(6):880-884. |
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| Authors: | XIAO Ming CHEN Jun-tao |
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| Institution: | State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China |
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| Abstract: | In order to reflect the influence of complex geologic faults in large underground chamber, the authors put forward a numerical simulation and analysis method for the connotative fault element. The method establishes an equivalent element comprising both rock material and fault material, which can decrease the influence of faults incision. By this way, not only the mesh generation of large underground chambers becomes relatively convenient and feasible, but also the influence of complex geologic faults on stability of surrounding rocks is reflected effectively. At last, a sample about underground chamber of Three Gorges Project is givdn, which testifies that the method is reasonable and provides an effective computation method and train of thought for the analysis of complex geologic faults structure. |
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| Keywords: | complex geology connotative fault numerical analysis |
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