1. Professor, Dept. of Civil Engineering, Middle East Technical Univ., Ankara 06800, Turkey (corresponding author).
2. Associate Professor, Dept. of Civil Engineering, Abu Dhabi Univ., Abu Dhabi 00971, United Arab Emirates.
3. Project Controls Manager, Botas Petroleum Pipeline Corporation, Bilkent Plaza A-II Blok, Bilkent, Ankara 06800, Turkey.