1. Senior Engineer, Structural Dept., SNC-Lavalin Group, Heliopolis, Cairo, Egypt.
2. Martini, Mascarin and George Chair in Masonry Design, Dept. of Civil Engineering, McMaster Univ., Hamilton, L8S 4L7, Ontario, Canada (corresponding author).
3. Professor, Dept. of Civil Engineering, McMaster Univ., Hamilton, L8S 4L7, Ontario, Canada.
4. Senior Engineer (Risk Management), Real Property Branch, Public Works and Government Services, Canada.