摘要
大温差变化对隧道衬砌受力的影响是隧道计算与设计中的一个问题。以武夷山隧道衬砌为例,考虑温度荷载影响,采用有限元法对隧道衬砌结构的变形和受力进行了计算分析,得到了温度应力影响下隧道衬砌和围岩的变形和受力一些规律,此结论可为考虑温度应力影响下隧道衬砌设计与施工提供一定参考价值。
It＇s not an ignoral problem that the effect of large temperature difference change on stress of tunnel liner during design and calculation of tunnel. As example of liner of Wuyishan tunnel, the finite element method was adopted to analyze the displacement and stress of tunnel liner structure considering effect of temperature load. A few characteristics of displacement and stress of liner and wall rock effect on temperature stress are obtained in this paper. The results of the paper could provide perference for designing and calculation of tunnel liner considered effect of temperature stress.
出处
《国外建材科技》
2008年第1期65-68,共4页
Science and Technology of Overseas Building Materials
关键词
隧道
衬砌
温度应力
有限元分析
tunnel
liner
temperature stress
finite element method
