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The Evaluation on the Type of Support Element by Field Test Data in 4-lane Wide Road Tunnel  

Do, Jongnam (한양대학교 대학원 건설환경공학과)
Kim, Yeonjoong (한국도로공사 도로교통연구원 도로시험팀)
Lee, Chanbok (한국도로공사 도로교통연구원 경영연구실)
Chun, Byungsik (한양대학교 공과대학 건설환경공학과)
Publication Information
Journal of the Korean GEO-environmental Society / v.13, no.1, 2012 , pp. 15-20 More about this Journal
Abstract
Field measurement is a very essential factor for economic aspect and estimation of stability of tunnels. In this paper, various types of support element based on field test data in 4-lane wide road tunnel were evaluated. And stability and economical efficiency were also estimated. The estimated value were compared with design value and the type of support element which is applicable to site condition was evaluated. The results show that most of support elements were modified under the standard value(30mm) and type of support element which is already constructed was overestimated. So, appropriate level of support element have to be presented to save the time and cost during construction.
Keywords
Support element; 4-land wide road tunnel; Field test data; Field measurement;
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