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MECHANISMS OF COASTAL DIKE FAILURE INDUCED BY THE GREAT EAST JAPAN EARTHQUAKE TSUNAMI

2012; Coastal Engineering Research Council; Issue: 33 Linguagem: Inglês

10.9753/icce.v33.structures.40

2156-1028

Fuminori KATO, Yoshio SUWA, Kunihiro WATANABE, Satoshi Hatogai,

Tropical and Extratropical Cyclones Research

Based on the results of field surveys, coastal dike failures caused by the Great East Japan Earthquake were classified into eight patterns. The results of hydraulic model experiments related to major failure patterns reinforced the proposed failure processes. In addition, the aggregated length of each failure pattern showed that failure from scouring at the landward toe is the dominant failure pattern.