1. Department of Civil and Environmental Engineering, Chung-Ang University, 84 HeukSeok-Dong, DongJak-Gu, Seoul, Republic of Korea.
2. Korea Expressway Corporation Research Institute, 208-96, Dongbu-daero 922 beon-gil, Dongtan-myeon, Hwaseong-si, Gyeonggi-do, Republic of Korea.
3. Korea Institute of Civil Engineering and Building Technology, 283, Goyang-daero, Ilsanseo-gu, Goyang-si, Gyeonggi-do, Republic of Korea.