1. Dept. of Civil Engineering, Faculty of Engineering and Applied Science,Memorial Univ., St. John’s, NL A1B 3X5 Canada (corresponding author).
2. Dept. of Civil Engineering, Faculty of Engineering and Applied Science, Memorial Univ., St. John’s, NL A1B 3X5 Canada.
3. Assistant Professor, in the Chemistry Dept. at King Abdulaziz Univ., Jeddah, Saudi Arabia.