Naoshi Chinen³, Norio Nakano⁴, Haruo Mori², *Kazuhiro Yamada¹, Yuichi Kanno¹, Masaya Ishikawa¹ (1. Fukken Co., Ltd., 2. Coastal Development Institute of Technology, 3. Naha airport and Port Office，Okinawa General Bureau, Cabinet Office, 4. Aomi Construction Co.,Ltd.)

*MASAYA ISHIKAWA¹, Naoshi Chinen², Norio Nakano⁴, Haruo Mori³, Kazuhiro Yamada¹, Yuichi Kanno¹ (1. Fukken Co., Ltd., 2. Naha airport and Port Office, 3. Coastal Development Institute of Technology, 4. AOMI CONSTRUCTION CO.,LTD.)

Naoshi Chinen², Norio Nakano³, Haruo Mori⁴, *AKARI FUJIWARA¹, Daisuke Yoneura¹, Masaya Ishikawa¹ (1. Fukken Co., Ltd, 2. Naha airport and Port Office, 3. Aomi Construction Co.,Ltd, 4. Coastal Development Institute of Technology)

*KANNO YUICHI¹, Norio Nakano², Haruo Mori², Chinen Naoshi³, Kazuhiro Yamada¹, Masaya Ishikawa¹ (1. Fukken.Co.,Ltd., 2. Coastal Development Institute of Technology , 3. Naha airport and Port Office)

*NAOKI ISHIGURO¹, HIROSHI OYAMA² (1. JR East Consultants Company, 2. East Japan Railway Company)

*KOKI HANZAWA¹, Hisashi Igarashi¹, Yuichi Oto¹ (1. KisojibanConsultants Co.,Ltd.)

*HAJIME IMANISHI^1,2,3, Takeshi Nakazawa⁴, Masaaki Fujiwara⁴ (1. Tohoku Institute of Technology, 2. Osaka Institute of Technology, 3. Wagokan Culture Crossing Center of Engineering, 4. CTI Engineering Co., Ltd.)