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http://dx.doi.org/10.9711/KTAJ.2020.22.2.197

Shield TBM trouble cases review and parameter study for the cause analysis  

Koh, Sungyil (SEOHA Engineering Co., Ltd.)
La, You-Sung (Dept. of Geotech and Tunnel, SEOHA Engineering Co., Ltd.)
Kim, Bumjoo (Dept. of Civil and Environmental Engineering, Dongguk University)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.22, no.2, 2020 , pp. 197-217 More about this Journal
Abstract
Shield TBM tunneling, used in the construction of Seoul subway line 7 and line 9, has been well known as a very efficient, as well as safe, tunneling method. Although the Shield TBM method has been known to be effectively used in poor ground conditions, a number of troubles have occurred during the use of the shield TBM, due to inappropriate machine selection, machine breakdown, and unpredicted ground conditions etc. In this study, several accidents and trouble cases occurred during excavation by Shield TBM, reported from Japan, were investigated. A series of numerical analysis was then performed to compare with the trouble cases and back-analysis results for the cause analysis. The lessons learned from the case studies are presented at the end.
Keywords
Shield TBM; Trouble cases; Tunneling method; Back-analysis;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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