[1] Govt Coll Technol, Dept Civil Engn, Coimbatore 641013, Tamil Nadu, India
[2] Nadimpalli Satyanarayana Raju Inst Technol, Dept Civil Engn, Visakhapatnam 531173, Andhra Pradesh, India
[3] GMR Inst Technol, Dept Civil Engn, Rajam 532127, Andhra Pradesh, India
[4] Kongunadu Coll Engn & Technol, Dept Civil Engn, Trichy 621215, Tamil Nadu, India