*Keisuke Kondo1, Kenichi Maeda1, Ryoya Isoai1, Aya Kimura1, Takuro Nakamura2, Kentaro Suzuki3, Naoto Naito4(1. Nagoya Institute of Technology, 2. Civil Engineering Research Institute for Cold Region, 3. Koken Engineering, 4. Toyohashi University of Technology)