Affiliation: | 1. Bangladesh University of Engineering and Technology, Dhaka-1000, Bangladesh.;2. Geotechnical Engineering Laboratory, Department of Civil Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113;3. Laboratory of Water and Environmental Engineering, Department of Biological and Environmental Engineering, the University of Tokyo.;4. National Yokohama University.;5. Kumagai Gumi Co., Ltd.;6. Ministry of Construction, the Japanese Government. (i), iv), v) and vi) : Formerly Graduate Students, the University of Tokyo) |