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多位移反分析浅埋偏压隧道初期支护荷载分布研究
收稿日期: 2015-12-14
修回日期: 2016-02-02
网络出版日期: 2016-07-27
基金资助
国家自然科学基金(51408450); 中央高校基本科研业务费专项资金资助(2014-IV-023)
Study of Load Distribution Rules of Primary Support of Shallowcovered Unsymmetrically Pressured Tunnel by Using Multidisplacement Back Analysis Method
Received date: 2015-12-14
Revised date: 2016-02-02
Online published: 2016-07-27
刘英棨 , 张谢东 , 陈卫东 , 徐顺莲 , 张行 . 多位移反分析浅埋偏压隧道初期支护荷载分布研究[J]. 隧道建设, 2016 , 36(7) : 832 -836 . DOI: 10.3973/j.issn.1672-741X.2016.07.010
A plan finite element model is established by means of multidisplacement back analysis method, so as to learn the rock stress distribution rules on support structure of shallowcovered unsymmetrically pressured tunnel. Meanwhile, the stress releasing rate, unsymmetrical pressure and influencing value loading principle are adopted in order to obtain formula of rock stress distribution. The comparison between calculated results and measured data shows that the formula and calculated results obtained are feasible and effective. The study results can provide references for similar projects in the future.
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