1. Ph.D. Candidate in Structural Timber Engineering, Dept. of Civil and Environmental Engineering, Faculty of Engineering, Univ. of Auckland, 20 Symonds St., CBD, Private Bag 92019, Auckland 1142, New Zealand (corresponding author).
2. Professor of Timber Design, Dept. of Civil and Environmental Engineering, Faculty of Engineering, Univ. of Auckland, 20 Symonds St., CBD, Private Bag 92019, Auckland 1142, New Zealand.