| 隧道近距离交汇时对老隧道的影响分析 |
| |
| 引用本文： | 李强,曾德顺.隧道近距离交汇时对老隧道的影响分析[J].力学与实践,2001,23(5):16-19. |
| |
| 作者姓名： | 李强 曾德顺 |
| |
| 作者单位： | 同济大学特种土木工程技术研究所 |
| |
| 摘 要： | 采用三维有限元模拟盾构推进的过程，是研究盾构施工中土层移动的最有效的手段。本采用三维弹塑性有限元，在真实模拟施工情况的基础上，研究了新隧道从老隧道下面垂直穿过时，对老隧道的变形影响情况。研究表明，推进力和稳定比N是影响老道变形的主要因素。
|
| 关 键 词： | 新隧道 三维弹塑性有限元 稳定比N 推进力 老隧道 变形 近距离交汇 |
| 修稿时间： | 2000年9月25日 |
THE INFLUENCE OF NEW TUNNEL ON OLD TUNNEL DURING TWO TUNNEL CROSSING |
| |
| LI Qiang,ZENG Deshun.THE INFLUENCE OF NEW TUNNEL ON OLD TUNNEL DURING TWO TUNNEL CROSSING[J].Mechanics and Engineering,2001,23(5):16-19. |
| |
| Authors: | LI Qiang ZENG Deshun |
| |
| Abstract: | Using the 3D elasto-plastic FEM to sim ulate the shield advance is the most effective method to study the ground movement during the construc- tion of the tunnel. Based on the actual construction situation, this paper has simulated the influence on the old tunnel of a new tunnel when it is perpen- dicularly constructed under the old tunnel by using 3D elasto-plastic FEM. The research shows that ad- vance force and stability ratio N are the mainly fac- tors which control the deformation of the old tunnel. |
| |
| Keywords: | tunnel FEM stability ratio N |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
