1. Geotechnical Engineer, GTS Inc., 1915 N. Shiloh Dr., Suite 1, Fayetteville, AR 72704; formerly, Research Assistant, Dept. of Civil Engineering, Univ. of Arkansas at Fayetteville, Fayetteville, AR 72701 (corresponding author). ORCID: .
2. Instructor, Dept. of Dams and Water Resources, Univ. of Anbar, P.O. Box 55, Ramadi 31001, Iraq; formerly, Research Assistant, Dept. of Civil Engineering, Univ. of Arkansas at Fayetteville, Fayetteville, AR 72701. ORCID: .
3. Associate Professor, Dept. of Civil Engineering, Univ. of Arkansas at Fayetteville, Fayetteville, AR 72701. ORCID: .