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2010年08 期
| 标题 |
| 老鸭岭隧道Ⅳ级围岩开挖方法三维数值分析比选(50 卷) |
| 英文标题 |
| Three-dimensional numerical analysis on selection of excavation method for Laoyaling mountain tunnel buried inⅣ-class surrounding rock |
| 摘要 |
| 采用两种开挖方法即全断面开挖和上下台阶开挖，利用ANSYS建立三维有限元模型进行老鸭岭隧道Ⅳ级围岩开挖分析比较。比较表明，全断面开挖将引起较小的地表以及拱顶沉降；而上下台阶开挖围岩所承受的最大拉应力是采用全断面开挖围岩所承受的最大拉应力的2倍，综合考虑应优先考 |
| 作者 |
| 新闻作者:严 涛,金学松，王维嘉 |
| 关键字 |
