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http://dx.doi.org/10.9711/KTAJ.2016.18.6.545

The development of a back analysis program for subsea tunnel stability under operation: longitudinal direction  

An, Joon-Sang (INHA University, Graduate student, 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, Graduate student, Dept. of Civil Engineering)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.18, no.6, 2016 , pp. 545-556 More about this Journal
Abstract
If a back analysis is used in various measurement information for the estimation of an operating subsea tunnel safety, it is possible to obtain the results within efficient error rate. With such a commercial geotechnical analysis program as FLAC3D, back analysis is performed with a DEA which was validated in previous studies. However, there is a problem that is relatively a time-consuming analysis. For this reason, beam-spring model-based FEM solver which takes shorter relative analysis time, was developed by Python language, and then combined with the built-DEA. In order to consider the assessment of safety of an operation tunnel near real-time, a program for longitudinal direction tunnel was developed due to its relative easy development for analysis solver engine.
Keywords
Beam-spring model; Differential evolution algorithm (DEA); Back analysis; Operating subsea tunnel; Longitudinal direction tunnel;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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