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http://dx.doi.org/10.9711/KTAJ.2016.18.2.183

DEA optimization for operating tunnel back analysis  

An, Joon-Sang (INHA University)
Kim, Byung-Chan (HANYANG University)
Moon, Hyun-Koo (HANYANG University)
Song, Ki-Il (INHA University)
Su, Guo-Shao (Guangxi University)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.18, no.2, 2016 , pp. 183-193 More about this Journal
Abstract
Estimation of the stability of an operating tunnel through a back analysis is a difficult concept to analyze. Specially, when a relatively thick lining is constructed as in case of a subsea tunnel, there will be a limit to the use of displacement-based tunnel back analysis because the corresponding displacement is too small. In this study, DEA is adopted for tunnel back analysis and the feasibility of DEA for back analysis is evaluated. It is implemented in the finite difference code FLAC3D using its built-in FISH language. In addition, the stability of a 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.
Keywords
Differential Evolution Algorithm(DEA) Optimization; Back Analysis; FLAC3D; Operating Tunnel;
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Times Cited By KSCI : 4  (Citation Analysis)
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