1. Department of Civil and Environmental Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama 338-8570, Japan (Corresponding author), https://orcid.org/0000-0003-1077-3229, e-mail: tufailafghan@yahoo.com
2. Department of Civil and Environmental Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama 338-8570, Japan