3:00 PM - 3:15 PM
*Kenta Watanabe1, Koji Seike2, Rumiko Kajihara3, Tatsuki Tokoro1, Kazufumi Tada1, Shigeru Montani4, Tomohiro Kuwae1 (1.Port and Airport Research Institute, 2.Geological Survey of Japan, AIST, 3.Civil Engineering Research Institute for Cold Region, 4.Hokkaido University)