1. Research Scholar, Dept. of Civil Engineering, Osmania Univ., Hyderabad, Telangana 500 007, India (corresponding author).
2. Professor, Dept. of Civil Engineering, Osmania Univ., Hyderabad, Telangana 500 007, India.
3. Research Scholar, Dept. of Civil Engineering, Osmania Univ., Hyderabad, Telangana 500 007, India.