1. Dept. of Reconstruction and Projects, Univ. of Baghdad, Baghdad, Iraq.
2. Dept. of Civil Engineering, Univ. of Kerbala, Karbala, Iraq.
3. Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Kansas, Lawrence, KS.
4. Dept. of Geotechnical, Terracon Consulting, Inc., Pharr, TX; Dept. of Civil Engineering, College of Engineering, and Computer Science, Univ. of Texas Rio Grande Valley, Brownsville, TX.