| 鸡口山溶洞隧道施工动态数值模拟分析 |
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| 引用本文： | 孔军豪.鸡口山溶洞隧道施工动态数值模拟分析[J].科技创业月刊,2012(1):138-140. |
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| 作者姓名： | 孔军豪 |
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| 作者单位： | 中铁七局集团武汉公司,湖北武汉,430074 |
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| 摘 要： | 考虑到岩溶隧道的地质复杂性,有必要用多种手段对隧道施工进行综合超前地质预报,而数值模拟正是一种有效地途径之一。通过对鸡口山岩溶隧道特殊溶洞区域施工的动态超前数值模拟,为隧道采取合理的处治方式提供了参考依据。在模拟过程中,针对一处大型空溶洞区域进行隧道开挖和支护,并分析在施工过程中围岩变形、拱顶下沉和边墙收敛值等,给出最佳处理方案。
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| 关 键 词： | 岩溶隧道 大型空溶洞 围岩变形 数值模拟 |
Dynamic Numerical Simulation Analysis of Jikou Mountain Cave Tunnel Construction |
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| Abstract: | Considering the complexity of the geology of karst tunnel,it is necessary to use a variety of means to undertake comprehensive advanced geological prediction in tunnel construction,and the numerical simulation is an effective way of.The chicken export mountain karst tunnel special cave area construction dynamic numerical simulation for tunnel ahead,take reasonable treatment method provides a reference.During the simulation process,in view of a large empty cave area for tunnel excavation and supporting,in the construction process and analysis of surrounding rock deformation,subsidence of vault and the side wall convergence value,giving the best treatment scheme. |
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| Keywords: | karst tunnel large empty cave deformation of surrounding rock numerical simulation |
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