| 隧道浅埋暗挖法开挖方案的优化分析 |
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| 引用本文： | 申翱,赵耀强,郭钟群. 隧道浅埋暗挖法开挖方案的优化分析[J]. 铜业工程, 2012, 0(2): 51-55,59 |
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| 作者姓名： | 申翱 赵耀强 郭钟群 |
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| 作者单位： | 1. 中国矿业大学力学与建筑工程学院,江苏徐州,221000
2. 江西理工大学建筑与测绘工程学院,江西赣州,341000 |
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| 摘 要： | 采用岩土工程通用软件FLAC3D对隧道全断面法、两台阶法、三台阶法和CRD法等典型的浅埋暗挖施工方法进行二维数值模拟,分析了在不同开挖方法下施工对隧道围岩稳定的影响。文中选取了某一实际隧道工程为研究对象,通过对不同开挖方法的施工模拟计算,对比分析了各种方法的隧道围岩位移、应力分布以及塑性区大小的规律与特点。
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| 关 键 词： | 浅埋暗挖法 隧道 围岩位移 围岩应力 FLAC3D |
Optimization Analytics of Shallow Tunnel Excavation |
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| SHEN Ao , ZHAO Yao-qiang , GUO Zhong-qun. Optimization Analytics of Shallow Tunnel Excavation[J]. Copper Engineering, 2012, 0(2): 51-55,59 |
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| Authors: | SHEN Ao ZHAO Yao-qiang GUO Zhong-qun |
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| Affiliation: | 1.School of Mechanics and Civil Engineering,China University of Mining and Technology,Xuzhou,Jiangsu 221000,China; 2.Faculty of Architectural and Mapping Engineering,Jiangxi University of Science and Technology,Ganzhou,Jiangxi 341000,China) |
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| Abstract: | Geotechnical Engineering General Software FLAC^3D is used to two-dimensional numerical simulation for typical shallow tunnel excavation with right tunnel cross-section method,the upper and lower step method,three-step method and CRD analying the different effects to the tunnel surrounding rock stability with different excavation method.The paper selected a realistic tunnel as the research object,with construction simulation of different excavation method,it makes comparative analysis of the key points of the tunnel displacement influence coefficient and stress influence coefficient,and summed up the degree of influence and rules of the different excavation methods to the stability of surrounding rock.. |
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| Keywords: | shallow tunnel construction method（STCM） tunnel rock displacement rock stress FLAC^3D |
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