1. Research Scholar, Civil Engineering and Applied Mechanics Dept., Shri G. S. Institute of Technology and Science, 23 Park Rd., Indore (M.P.) 452003, India. E-mail ajaykg2@yahoo.co.in
2. Professor, Civil Engineering and Applied Mechanics Dept., Shri G. S. Institute of Technology and Science, 23 Park Rd., Indore (M.P.) 452003, India.