School of Civil Engineering, Universiti Sains Malaysia, Nibong Tebal 14300, Pulau Pinang, Malaysia;
School of Highway, Chang'an University, Xi'an 710064, China;
School of Civil Engineering, Universiti Sains Malaysia, Nibong Tebal 14300, Pulau Pinang, Malaysia;
School of Science and Engineering, University of Sunshine Coast, Sippy Downs, Queensland 4556, Australia;
Department of Civil Engineering, Monash University, Melbourne, Victoria 3168, Australia;
School of Civil Engineering, Universiti Sains Malaysia, Nibong Tebal 14300, Pulau Pinang, Malaysia;