1. Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin-Madison, 2258 Engineering Hall, 1415 Engineering Dr., Madison, WI 53706.
2. Consulting Engineer, Pierce Engineers Inc., 210 North Basset St., Madison, WI 53703.
3. Professor, Dept. of Civil and Environmental Engineering, Director of the Structures and Materials Testing Laboratory, Univ. of Wisconsin-Madison, 2620 Engineering Hall, 1415 Engineering Dr., Madison, WI 53706 (corresponding author).
4. Senior Scientist, Environmental Chemistry and Technology Program, Univ. of Wisconsin-Madison, 146 Water Science And Engineering Laboratory, 660 N Park St., Madison, WI 53706.
5. Professor, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin-Madison, 109 Water Science And Engineering Laboratory, 660 N Park St., Madison, WI 53706.