1. Professor, Erciyes Univ., Civil Engineering Dept., Kayseri, Turkey (corresponding author).
2. Assistant Professor, Erciyes Univ., Civil Engineering Dept., Kayseri, Turkey.
3. Research Assistant, Erciyes Univ., Civil Engineering Dept., Kayseri, Turkey.
4. Assistant Professor, Istanbul Univ., Civil Engineering Dept., Avcilar, Istanbul, Turkey.
5. Assistant Professor, Mersin Univ., Civil Engineering Dept., Mersin, Turkey.