Li, Xiaoyan

Mechanical and Civil and Architecture School, Northwestern Polytechnic Univ., Xi'an, CN Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an Univ., Xi’ an, Shaanxi, CN

Wang, Hainian

Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an Univ., Xi’ an, Shaanxi, CN

Zhang, Chen

Highway School, Chang'an Univ., Xi’ an, Shaanxi, CN

Diab, Aboelkasim

Dept. of Civil Engineering, Aswan Univ., EG

You, Zhanping

Dept. of Civil and Environmental Engineering, Michigan Technological Univ., Houghton, MI, US