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考虑底部隆起的浅埋隧道围岩压力计算分析

张翔 李林安 王世斌 刘习军 耿文宾

张翔, 李林安, 王世斌, 刘习军, 耿文宾. 考虑底部隆起的浅埋隧道围岩压力计算分析[J]. 应用数学和力学, 2017, 38(8): 911-921. doi: 10.21656/1000-0887.370346
引用本文: 张翔, 李林安, 王世斌, 刘习军, 耿文宾. 考虑底部隆起的浅埋隧道围岩压力计算分析[J]. 应用数学和力学, 2017, 38(8): 911-921. doi: 10.21656/1000-0887.370346
ZHANG Xiang, LI Lin-an, WANG Shi-bin, LIU Xi-jun, GENG Wen-bin. Limit Analysis of Surrounding Rock Pressure for Shallow Tunnels Considering Floor Heave[J]. Applied Mathematics and Mechanics, 2017, 38(8): 911-921. doi: 10.21656/1000-0887.370346
Citation: ZHANG Xiang, LI Lin-an, WANG Shi-bin, LIU Xi-jun, GENG Wen-bin. Limit Analysis of Surrounding Rock Pressure for Shallow Tunnels Considering Floor Heave[J]. Applied Mathematics and Mechanics, 2017, 38(8): 911-921. doi: 10.21656/1000-0887.370346

考虑底部隆起的浅埋隧道围岩压力计算分析

doi: 10.21656/1000-0887.370346
详细信息
    作者简介:

    张翔(1991—),男,硕士生(通讯作者. E-mail: 383345959@qq.com).

  • 中图分类号: U451

Limit Analysis of Surrounding Rock Pressure for Shallow Tunnels Considering Floor Heave

  • 摘要: 针对浅埋隧道开挖后底部隆起变形现象,应用极限分析上限法构造了考虑底部隆起变形的围岩压力计算模型,结合线性Mohr-Coulomb准则等推导出极限围岩压力的理论表达式。通过约束条件将围岩压力的计算转化为数学中的最优化问题,编制程序进行了优化计算。将计算结果与工程实测数据及文献计算结果进行了对比,验证了当前方法的可靠性。同时,指出在运用极限分析法处理浅埋隧道围岩压力问题过程中应将隧道底部一同考虑,对隧道底部支护会对整个围岩压力产生影响,有助于隧道结构的整体稳定。研究可以为浅埋隧道的开挖、支护提供一定的理论指导.
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出版历程
  • 收稿日期:  2016-11-14
  • 修回日期:  2016-12-29
  • 刊出日期:  2017-08-15

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