Postprint version. Published in Proceedings of Structures Congres XV: Building to Last, Volume 2, April 13, 1997, pages 1158-1162. Copyright © 1997 American Society of Civil Engineers. The definitive version can be found online at http://cedb.asce.org.
NOTE: At the time of publication, the author Rakesh Goel was not yet affiliated with Cal Poly.
Civil and Environmental Engineering