1. Assistant Professor, Dept. of Civil Engineering, Univ. of Manitoba, E1-310 EITC, 15 Gillson St., Winnipeg, Manitoba, Canada R3T 5V6 (corresponding author).
2. Engineering Research Associate, Dept. of Civil Engineering, Univ. of Manitoba, E1-327 EITC, 15 Gillson St., Winnipeg, Manitoba, Canada R3T 5V6.