Safety assessment of secondary lining on the basis of load structure method and strength reduction method

被引:0
|
作者
Liu, Kai [1 ]
Wang, Gang [1 ]
Kong, Chao [1 ]
机构
[1] Southwest Jiaotong Univ, Sch Civil Engn, Minist Educ, Key Lab Transportat Tunnel Engn, Chengdu 610031, Peoples R China
来源
关键词
tunnel; load structure method; strength reduction method; lining structure;
D O I
10.4028/www.scientific.net/AMR.919-921.907
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
So far, due to the complexity of underground engineering, a mature and proper method used to determine rock pressure is not for sure. For now, method to design lining structure mainly adopts empirical design, assisted by load structure method. The paper assesses the safety of lining structure from two aspects, that is, from load structure method and from strength reduction method. The results indicate that compared with strength reduction method to evaluate safety of the lining structure, load structure method is relatively conservative.
引用
收藏
页码:907 / 911
页数:5
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