1. Associate Professor, Dept. of Civil Engineering, Bogazici Univ., Istanbul 34342, Turkey (corresponding author).
2. ALYSJ Joint Venture, Doha, Qatar; formerly, Graduate Student, Dept. of Civil Engineering, Bogazici Univ., Istanbul 34342, Turkey.
3. Research Assistant, Dept. of Civil Engineering, Bogazici Univ., Istanbul 34342, Turkey.