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极限应变法在圆形隧洞稳定分析中的应用

阿比尔的 郑颖人 冯夏庭 向钰周

阿比尔的, 郑颖人, 冯夏庭, 向钰周. 极限应变法在圆形隧洞稳定分析中的应用[J]. 应用数学和力学, 2015, 36(12): 1265-1273. doi: 10.3879/j.issn.1000-0887.2015.12.005
引用本文: 阿比尔的, 郑颖人, 冯夏庭, 向钰周. 极限应变法在圆形隧洞稳定分析中的应用[J]. 应用数学和力学, 2015, 36(12): 1265-1273. doi: 10.3879/j.issn.1000-0887.2015.12.005
ABI Erdi, ZHENG Ying-ren, FENG Xia-ting, XIANG Yu-zhou. Analysis of Circular Tunnel Stability Based on the Limit Strain Method[J]. Applied Mathematics and Mechanics, 2015, 36(12): 1265-1273. doi: 10.3879/j.issn.1000-0887.2015.12.005
Citation: ABI Erdi, ZHENG Ying-ren, FENG Xia-ting, XIANG Yu-zhou. Analysis of Circular Tunnel Stability Based on the Limit Strain Method[J]. Applied Mathematics and Mechanics, 2015, 36(12): 1265-1273. doi: 10.3879/j.issn.1000-0887.2015.12.005

极限应变法在圆形隧洞稳定分析中的应用

doi: 10.3879/j.issn.1000-0887.2015.12.005
基金项目: 国家重点基础研究发展计划(973计划)(2011CB013600;2011CB710606);重庆市自然科学基金(csc2013jcyjys0002)
详细信息
    作者简介:

    阿比尔的(1988—),男,彝族,四川凉山人,博士生(通讯作者. E-mail: abierdi@163.com).

  • 中图分类号: TU528.1

Analysis of Circular Tunnel Stability Based on the Limit Strain Method

Funds: The National Basic Research Program of China (973 Program)(2011CB013600;2011CB710606)
  • 摘要: 材料的屈服和破坏是不同的,屈服准则已有大量研究,但缺少严格的破坏准则.理想弹塑性模型用应力表述难以区别屈服与破坏,为此该文提出极限应变破坏判据,可用于判断材料的局部和整体破坏.给出了不同材料极限应变的确定方法,并作为破坏判据用于岩土类材料的稳定分析,称为极限应变法.将极限应变法应用于圆形隧洞,研究隧洞的破坏过程、围岩破坏深度及其安全系数,并与滑移线理论和实际模型试验的结果进行对比.研究表明:极限应变法能够判断圆形隧洞的破坏过程与极限状态,求得准确的安全系数,与滑移线场法和模型试验的结果一致,验证了极限应变法在隧洞中应用的可行性.极限应变判据具有明确的力学意义,能反映材料破坏的全过程,为岩土类材料极限分析提供了一种新的方法.
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出版历程
  • 收稿日期:  2015-08-28
  • 修回日期:  2015-10-27
  • 刊出日期:  2015-12-15

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