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http://dx.doi.org/10.9711/KTAJ.2016.18.5.389

Estimation of subsea tunnel stability considering ground and lining stiffness degradation measurements  

An, Joon-Sang (INHA University, Dept. of Civil Engineering)
Kim, Byung-Chan (HANYANG University, Dept. of Natural Resources and Environmental Engineering)
Moon, Hyun-Koo (HANYANG University, Dept. of Natural Resources and Environmental Engineering)
Song, Ki-Il (INHA University, Dept. of Civil Engineering)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.18, no.5, 2016 , pp. 389-399 More about this Journal
Abstract
Efficiency for estimation of subsea tunnel safety can be increased through reflecting back analysis algorithm to displacement measurements besides other measurement information such as stress, water pressure and ground stiffness degradation. In this study, the finite difference code FLAC3D built-in FISH language is used. In addition, the stability of the tunnel lining will be evaluated from the development of displacement-based algorithm and its expanded algorithm with conformity of several parameters such as stress measurements, water pressure measurements, tunnel lining degradation measurements and ground stiffness degradation measurements. By using additional measurement information to assess the stability of subsea tunnel, it was confirmed that the error rate is reduced to the tunnel back analysis.
Keywords
Stiffness degradation (Ground, Lining); Differential evolution algorithm (DEA); Subsea tunnel;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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