1. College of Engineering, University of Kurdistan-Hewler, Kurdistan Region, Erbil 44001, Iraq
2. Faculty of Civil Engineering, Metro College of Technology, Toronto, Ontario M3C1T5, Canada
3. Nanomaterials Research Centre, School of Civil Engineering, Iran University of Science and Technology, Tehran 13114-16846, Iran
4. School of Transportation Science and Engineering, Beihang University, Beijing 100191, China
5. Department of Civil Engineering, Monash University, Melbourne, Clayton, VIC 3800, Australia