ANALYTICAL RESEARCH ON THE RELIABILITY OF SEA DIKE STRUCTURE SAFETY

Safety of sea dike structures is related to several important factors, which usually have some uncertainties in engineering practice, sea dike structure safety by reliability analysis is initially studied in this paper. Firstly, the main influencing factors and the basic methods for the analysis of sea dike structure safety are reviewed, and then the basic framework of reliability analysis system is constructed. Secondly, several sea dike structures failure modes, such as excessive wave overtopping, failure of armor block, local scour of the sea dike toe, seepage, parapet wall failure and overall structure failure are analyzed and the corresponding performance functions are proposed. Finally, the reliabilities of those methods are applied to several engineering case studies.