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2011年12期
| 标题 |
| 软岩隧道围岩的应力应变分析(51卷) |
| 英文标题 |
| Stress and strain analysis of soft surrounding rock of tunnel |
| 摘要 |
| 根据千丘榜隧道实际施工中围岩的力学情况，建立有限元模型，采用不同加载方式，不同应力场，对软弱围岩在隧道施工中隧道围岩位移进行数值模拟和分析。结果表明：围岩在开挖后，整个围岩的初始应力被破坏，围岩的竖向位移及仰拱底围岩竖向位移随着侧压力系数的减小而增大，拱腰处围岩水平位移则随着侧压力系数的减小而减小。 |
| 作者 |
| 新闻作者:张海彬 |
| 关键字 |
关键词:软弱围岩 数值模拟 隧道施工 |
