1. Associate Professor, Dept. of Civil Engineering, Oregon State Univ., Corvallis, OR 97331.
2. Graduate Research Assistant, Dept. of Civil Engineering, Oregon State Univ., Corvallis, OR 97331.
3. Structural Design Engineer, H.W. Lochner, Inc., Salem, OR 97303.
4. Structural Engineer, CH2M Hill, Corvallis, OR 97330.