*Yuta Onishi¹, Takayuki Hasimoto¹, Hirosi Siratani¹ (1. TAISEI CORPORATION)

*Takaaki Abe¹, Hiroshi Yokoyama¹, Hiroya Ogushi¹ (1. Civil Engineering Research Institute for Cold Region)

*Jun Mitsui¹, Iwao Hasegawa², Masashi Tanaka¹, Shin-ichi Kubota¹, Akira Matsumoto¹ (1. Fudo Tetra Corporation, 2. Ecoh Corporation)

*Yutaka Tanaka¹, Yuichiro Kawabata¹, Ema Kato¹, Yoshikazu Suzuka², Tsuyoshi ishii², Hisao Tategami², Tetsuya Ogasawara², Shusaku Kawabe² (1. Port and Airport Research Institute, 2. Japan Association of PC Marine Structures)

*Yuna Goto¹, Masami Kiku¹ (1. National Institute of Technology,Gifu College)

*hadano kesayoshi¹, Yasutaka Imai², keisuke murakami³, tatusro sato⁴ (1. Civil Engineering Consultant Daiichi Fukken, 2. Saga University, 3. University of Miyazaki, 4. Kyushu Sangyo University)