Affiliation: | 1.Civil Engineering Program, Faculty of Engineering, Niigata University, 8050 Ninocho, Ikarashi, Nishi-ku, Niigata-shi, Niigata, 950-2181, Japan ;2.Department of Civil and Environmental Engineering, Graduate School of Creative Science and Engineering, Waseda University, 3-4-1, Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan ;3.Faculty of Science and Engineering, Waseda University, 3-4-1, Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan ; |