1. Research Engineer, Roughan & O’Donovan Innovative Solutions, Arena House, Arena Rd., Sandyford, Dublin 18, Ireland (corresponding author).
2. Professor, School of Civil, Structural, and Environmental Engineering, Univ. College Dublin, Newstead, Dublin 4, Ireland.
3. Lecturer, School of Civil Engineering, Dublin Institute of Technology, Bolton St., Dublin 1, Ireland.
4. Research Engineer, Roughan & O’Donovan Innovative Solutions, Arena House, Arena Rd., Sandyford, Dublin 18, Ireland.