1. Postdoctoral Fellow, Dept. of Architecture and Building Science, Graduate School of Engineering, Tohoku Univ., Sendai Aoba-Ku, Ara-maki, 980-8579, Japan.
2. Associate Professor, Dept. of Civil and Environmental Engineering, P.O. Box 27272, College of Engineering, Univ. of Sharjah, Sharjah, UAE.
3. Professorial Fellow, Dept. of Civil Engineering, National Univ. of Singapore; presently, W597 Park Rd., Anna Nagar West Extension Chennai 600101 Tamilnadu, India.