Damage to Coastal Structures by Tsunami-Induced Currents in the Past
Advanced Research Institute for the Sciences and Humanities, Nihon University 6F Ichigaya Tokyu Building, 2-1 Kudan-kita 4-chome, Chiyoda-ku, Tokyo 102-0073, Japan
Examples of damages to coastal structures caused by tsunami-induced current are collected from documents in Japan, and classified into four types. Soil embankments near underpasses or bridge abutments are eroded by concentrating water current. Currents parallel to long structures can develop strongly enough to scour the structures toe and destroy them. Embankments made of soil are easily eroded by overflowing water of tsunamis. The toe of quay walls is unprotected against the waterfall that occurs when landed water returns and hits the nearly exposed sea bottom as tsunamis recede.
-  Civil Engineering Section, Iwate Prefecture, “Records of Tsunami Disaster and Civil Engineering,” 261 pages,1936 (in Japanese).
-  S. Taneda, “Photographs in Report on the Chilean Tsunami,” Field Investigation Committee for Chilean Tsunami, 22p, 1961.
-  Hachinohe Port Worksite Office, Second Bureau of Port and Harbor, Ministry of Transport, “Data Collection of the Chilean Tsunami with Emphasis on Hachinohe Port,” 1961 (in Japanese).
-  Japan Meteorological Agency, “The Report on the Tsunami of the Chilean Earthquake, 1960,” JMA Technical report No.8, 123p, 1961 (in Japanese).
-  B. Kawamura and A. Mogi, “On the Deformation of the Sea Bottom in Some Harbors in the Sanriku Coast due to the Chili Tsunami,” Report on the Chilean Tsunami, Field Investigation Committee for Chilean Tsunami, pp. 57-66, 1961.
-  T. Takahashi, F. Imamura, and N. Shuto, “Examination of Applicability of Movable Bed Model by Tsunamis,” Proc. Coastal Engineering, JSCE, Vol.40, pp. 171-175, 1993 (in Japanese).
-  N. Fujii, M. Ohmori, M. Takao, S. Kanayama, and H. Ohtani, “On the Deformation of the Sea Bottom Topography due to Tsunami,” Proc. Coastal Engineering, JSCE, Vol.45, pp. 376-380, 1998 (in Japanese).
-  T. Takahashi, F. Imamura, and N. Shuto, “Tsunami Simulation with Movable Sea Bottom,” Proc. Coastal Engineering, JSCE, Vol.39, pp. 231-235, 1992 (in Japanese).
-  H. Matsuo, “Survey Report on the Sanriku Tsunami,” Report of Public Works Research Station, Vol.24, pp. 83-112, 1933 (in Japanese).
-  K. Horikawa, “Tsunami Phenomena in the Light of Engineering View-point,” Report on the Chilean Tsunami, Field Investigation Committee for Chilean Tsunami, pp. 136-150, 1961.
-  Ofunato City, “Records of Disasters Caused by the 1960 Chilean Tsunami,” 339p, 1962 (in Japanese).
-  N. Shuto, “Traffic Hindrance after Tsunamis,” Advances in Natural and Technological Hazards Research, Vol.18, pp. 65-74, 2001.
-  Port and Harbor Bureau, Ministry of Transport, “Report on Damages to Harbors and Survey of Tsunami, The 1968 Tokachi-Oki Earthquake,” 281 pages, 1968 (in Japanese).
-  Iwate Prefecture, “Records of Reconstruction after the Chilean,” Tsunami, 261 pages, 1969 (in Japanese).
-  S. Sasaki, “On the Chilean Tsunami”, Proc. of Coastal Engineering, JSCE, Vol.7, pp. 275-287, 1960 (in Japanese).
-  H. Gotoh, T. Sakai, M. Hayashi, K. Oda, and H. Ikari, “Gridless Analysis of Toe Scouring of Seawall due to Tsunami Return Flow,” Proc. Coastal Engineering, JSCE, Vol.49, pp. 46-50, 2002 (in Japanese).
-  K. Noguchi, S. Sato, and S. Tanaka, “Large-scale Experiments on Tsunami Overtopping and Bed Scour around Coastal Revetment,” Proc. Coastal Engineering, JSCE, Vol.44, pp. 296-300, 1997 (in Japanese).
This article is published under a Creative Commons Attribution-NoDerivatives 4.0 Internationa License.