1. Structural Engineer, Alan Reay Consultants Ltd., 395 Madras St., Christchurch, New Zealand; formerly, Graduate Assistant Researcher, Zachry Dept. of Civil Engineering, Texas A&M Univ. (corresponding author).
2. Zachry Professor of Design and Construction Integration, Zachry Dept. of Civil Engineering, Texas A&M Univ., College Station, TX 77843.