1. Project Engineer, PCS Structural Solutions, 811 First Ave. Suite 620, Seattle, WA 98104.
2. Timber Research Engineer, Dept. of Civil and Natural Resources Engineering, Univ. of Canterbury, Christchurch, New Zealand.
3. Weyerhaeuser Professor of Civil Engineering and Director, Composite Materials and Engineering Center, Washington State Univ., PO Box 641806, Pullman, WA 99164-1806 (corresponding author).
4. Professor, Composite Materials and Engineering Center, Washington State Univ., PO Box 641806, Pullman, WA 99164-1806.