1. Department of Civil and Environmental Engineering, Tohoku University , 6-6-06, Aoba Sendai 980-8579, Japan
2. Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung , Jalan Ganesha 10, Bandung 40132, Indonesia
3. Hydro Science and Engineering Research Institute , Goyangdae-Ro, Ilsanseo-Gu Goyang-Si, Gyeonggi-Do 10223, Korea
4. Nippon Steel & Sumitomo Metal Corporation , 6–1 Marunouchi, 2-Chome, Chiyoda-ku Tokyo 100-8071, Japan
5. Tohoku Marketing Branch, Nippon Steel & Sumitomo Metal Corporation , 6–1 Ichibancho 3-chome, Sendai 980-0811, Japan