[1
]Professor, Dept. of Civil and Environmental Engineering and Earth Sciences, Univ.
of Notre Dame, 156 Fitzpatrick Hall, Notre Dame, IN 46556 (corresponding author).
[2
]Wilkinson Chair Professor in Engineering, Dept. of Civil, Construction and Environmental
Engineering, Iowa State Univ., Ames, IA 50011.
[3
]Professor, Dept. of Civil Engineering and Engineering Mechanics, Univ. of Arizona,
Tucson, AZ 85721.
[4
]Professor, Dept. of Structural Engineering, Univ. of California at San Diego, La Jolla,
CA 92093.
[5
]Senior Lecturer, Dept. of Civil and Environmental Engineering, Univ. of Auckland,
Auckland 1010, New Zealand.
[6
]President, Blue Ridge Design, Inc., 3 W. Piccadilly St., Winchester, VA 22601.
[7
]President, S. K. Ghosh Associates, Inc., 334 East Colfax St., Unit E, Palatine, IL
60067.
[8
]Professor, Dept. of Civil Engineering, Universidad Técnica Federico,Santa María, Valparaiso,
Chile.