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2011年12期
| 標題 |
| 軟巖隧道圍巖的應力應變分析(51卷) |
| 英文標題 |
| Stress and strain analysis of soft surrounding rock of tunnel |
| 摘要 |
| 根據(jù)千丘榜隧道實際施工中圍巖的力學情況，建立有限元模型，采用不同加載方式，不同應力場，對軟弱圍巖在隧道施工中隧道圍巖位移進行數(shù)值模擬和分析。結果表明：圍巖在開挖后，整個圍巖的初始應力被破壞，圍巖的豎向位移及仰拱底圍巖豎向位移隨著側壓力系數(shù)的減小而增大，拱腰處圍巖水平位移則隨著側壓力系數(shù)的減小而減小。 |
| 作者 |
| 新聞作者:張海彬 |
| 關鍵字 |
