Advances in reliability analysis of the piping failure mechanism of flood defences in the Netherlands

Journal article (2014)

Authors

T. Schweckendiek Hydraulic Structures and Flood Risk - CEG
W. Kanning Hydraulic Structures and Flood Risk - CEG
Sebastiaan N. Jonkman Hydraulic Structures and Flood Risk - CEG
Research Group
Hydraulic Structures and Flood Risk (CEG) (TU Delft)
Copyright: © 2014 T. Schweckendiek, W. Kanning, Sebastiaan N. Jonkman
Monitoring Piping Field observations Site investigation Spatial variability Reliability analysis Emergency measures Bayesian Updating Internal erosion
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Published Date

2014

Language

English

Faculty

Civil Engineering & Geosciences

Department

Hydraulic Engineering

Research Group

Hydraulic Structures and Flood Risk

Abstract

Piping is one of the main failure mechanisms for flood defences. This paper gives an overview of recent developments in the reliability analysis for this mechanism in the Netherlands. These comprise new approaches in the treatment of heterogeneity of the subsoil with respect to the failure process, the inclusion of information from field observations and monitoring by means of Bayesian Updating. Also, a framework is presented for including the effects of taking emergency flood fighting measures in reliability analysis. In essence, incorporation of each of these aspects in modelling piping reliability can change the probability of failure considerably, depending on the local conditions and amount of information available a-priori.