*Ichiro Nakajima², Hiroyuki Morimura², Masasi Sakaizawa², Azu Harada², Aya Simizu², Tomotaka Sumida¹, Junko Motonaga¹, Masato Yazawa¹ (1. Tenryugawa River Upper Reaches Construction Work Office, Chubu Regional Development Bureau , 2. Zensin Co.,Ltd.)

*Hiroshige Moriya¹, Atsushi Homma¹, Masashi Mizuuchi¹, Hiroshi Nishi¹, Toru Furuichi¹, Seiichi Awazu², Kazuya Yagi², Hiroshi Higashiyama³, Shigeyuki Matsui⁴ (1. The Calamity Science Institute, 2. Construction Services in Kinki Region, 3. Kindai University, 4. Osaka Institute of Technology)

*Masahiro Satou¹, Hiroki Yasuda¹, Takashi Hanaki², Shoya Nakamura², Kouichi Fujita³, Hideta ichikawa³, Kazuyuki Nakamoto⁴, Naoto Takemoto⁴, Hideharu Naito⁵, Takashi Yamaguchi⁵ (1. Research Department, Costal Development Institute of Technology(CDIT), 2. Chugoku Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism(MLIT), 3. Port and Harbor Division,Civil Engineering Department, Okayama Prefecture, 4. Mizushima Port Office, Okayama Prefecture, 5. Association of Maintenance-Engineer for Maritime Port and Harbor Infra-Structure)

*Shunnji Matsumoto¹, Masayuki Shoubusako¹, Tomohiko Masuda¹, Takahiro Kunimoto¹ (1. Eight-Japan Engineering Consultants Inc.)

*Takahiro Ooga¹, Makoto Hisada¹, Tsutomu Jikuhara², Hideaki Kawada², Kazunari Yamada², Yuugo Higasa³, Yuuta Sugihara³, Masaru Fujii³, Kazuki Enomoto⁴, Hiroyuki Taira⁵ (1. Center for Infrastructure Management Research, Tohoku University, 2. Tottori Construction Technology Center, 3. Tottori Prefecture, 4. Tottori City, 5. FUKUICOMPUTER, Inc)

*Ryouhei Saitou¹, Taiki Nagasako¹, Oyama Osamu², Yusuke Imagawa² (1. IHI Co., Ltd., 2. OSAKA INSTITUTE OF TECHNOLOGY)

*Sayaka Yamamoto¹, Tadashi Terawaki¹, Hironori Tamano² (1. kiso-jiban Consultants Co., 2. Chugoku Regional Development Bureau, MLIT)