1. Soil and Material Engineer, Rural Development Project, Danish International Development Agency, RDP-23, Laxmipur, Bangladesh. E-mail: anismazumdar@hotmail.com
2. Professor, Dept. of Civil Engineering, Bangladesh Univ. of Engineering and Technology, Dhaka, Bangladesh. E-mail:akabir@ce.buet.ac.bd
3. Professor and Chairman, Dept. of Civil and Environmental Engineering, Univ. of Texas at Arlington, Box 19308, Arlington, TX 76019-0308. E-mail: yazdani@uta.edu