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http://dx.doi.org/10.5762/KAIS.2017.18.3.600

Analysis of River Levee Failure Mechanism by Piping and Remediation Method Evaluation  

Kim, Jin-Man (Geotechnical Engineering Research Institute, KICT)
Moon, In-Jong (Geotechnical Engineering Research Institute, KICT)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.18, no.3, 2017 , pp. 600-608 More about this Journal
Abstract
The presence of piping in a levee body allows water seepage to occur by producing a large cavity or water tunnel within it, ultimately resulting in the failure of the river levee and differential settlement. In order to properly cope with river levee failure due to piping and establish a proper remediation method for this problem, it is necessary to analyze the failure mechanism of the river levee due to piping. Therefore, this study analyzed the shape and mechanism of river levee failure due to piping through small-scale and large-scale models and evaluated the seepage pressure distribution characteristics in the hydraulic well, which has been suggested as a remediation method for piping. According to the results of this study, as the safety factor for the piping in the river levee decreased, the river levee failure shape was more clearly shown through the small-scale model test. In the large-scale model test, the type of local damage to the levee due to the piping was identified and the evaluation showed that the hydraulic well had the largest effect on the inhibition of piping below the center of the well. A follow-up study is needed to confirm the reliability of the results. However, it is thought that this study can be utilized as the baseline data for research into the piping-induced river levee failure mechanism and for the preparation of a remediation method.
Keywords
Piping; River levee; Remediation method; Failure mechanism; Model test; Hydraulic well;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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