1. Bugshan Research Chair in Expansive Soils, Dept. of Civil Engineering, College of Engineering, King Saud Univ., P.O. Box: 800, Riyadh – 11421, SA (Corresponding author), e-mail: reach2arif@gmail.com
2. Dept. of Civil and Materials Engineering, Univ. of Illinois at Chicago, Chicago, IL 60607 US, e-mail: kreddy@uic.edu
3. Dept. of Civil Engineering, HKBK College of Engineering, Bangalore 560045, IN, e-mail: abubms@gmail.com
4. Bugshan Research Chair in Expansive Soils, Dept. of Civil Engineering, College of Engineering, King Saud Univ., P.O. Box: 800, Riyadh 11421, SA, e-mail: shamrani@ksu.edu.sa
5. Dept. of Civil Engineering, College of Engineering, King Saud Univ., P.O. Box: 800, Riyadh 11421, SA, e-mail: wmzahid@ksu.edu.sa