10:40 AM - 10:50 AM
*Yoshitomo Tatsumi1, Shingo Imamura1, Satoru Yamamoto2, Takaaki Morita2, Takehiro Dabaru3, Tetsunori Taniguchi3, Yu Koizumi4, Koki Kikuchi4 (1. TODA CORPORATION, 2. Nishimatsu Construction Co., Ltd., 3. GEOSTR Corporation, 4. Public Works Research Institute)