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http://dx.doi.org/10.12652/Ksce.2019.39.2.0263

Modeling for Debris Flow Behavior on Expressway Using FLO-2D  

Lim, Jae-Tae (Korea Expressway Corporation)
Kim, Byunghyun (Ministry of the Interior and Safety)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.39, no.2, 2019 , pp. 263-272 More about this Journal
Abstract
This study demonstrates the applicability of the FLO-2D for the influence analysis of the debris flow on expressway. To do this, the behavior of debris flow on the expressway was reproduced by applying the FLO-2D to actual generated debris flow. The study area is a part of the Deokyusan Service Area on the Daejon-Jinju Expressway, where traffic was blocked for 24 hours due to the debris flow in August 2005. Geographical analysis with GIS, hydrological analysis with HEC-HMS, and estimation of the amount of debris flow were carried out using field survey and soil property test data. Then, the optimum parameter combination of FLO-2D was selected through the parameter sensitivity analysis, and the behavior analysis of debris flow on expressway was applied. The comparison of the predictions with the observations shows the availability of FLO-2D for the behavior analysis of debris flow on the expressway.
Keywords
Debris flow; Expressway damage; FLO-2D; Parameter estimation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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