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Field Survey on Coastal Dike Damage and Scouring in the Southern Part of the Sendai Plain Induced by the Great East Japan Earthquake Tsunami
東北地方太平洋沖地震津波による仙台平野南部での海岸堤防被災・洗掘に関する調査
2012
Journal of Japan Society of Civil Engineers Ser B2 (Coastal Engineering)
東北地方太平洋沖地震津波による仙台平野南部での海岸堤防被災・洗掘に関する調査
Preserved Fulltext
Field survey on coastal dike damage and scouring induced by the Great East Japan Earthquake Tsunami was conducted in the Southern Part of Sendai Plain. Erosion rate of dike cross section was estimated by using topographical data obtained by airborne laser scanner. The erosion rate tends to increase with relative height of coastal dike from the landside ground. Tsunami overtopping caused scouring at the landward toe of coastal dike, being a trigger of dike failure. Cross-sectional shape of the
doi:10.2208/kaigan.68.i_1396
fatcat:xhj7eedupfeedn5diu6nu5up3a