1. Researcher, Dept. of Civil Engineering, Univ. of New Brunswick, Fredericton, NB, Canada E3B 5A3.
2. Associate Professor, Dept. of Civil Engineering, Univ. of New Brunswick, Fredericton, NB, Canada E3B 5A3 (corresponding author).
3. Professor, Dept. of Civil Engineering, Univ. of New Brunswick, Fredericton, NB, Canada E3B 5A3.