Published in STRUCTURE Magazine, Volume 15, Issue 1, January 1, 2008, pages 10-12. Copyright © 2008 STRUCTURE magazine.
NOTE: At the time of publication, the author John Lawson was not yet affiliated with Cal Poly.
Tilt-up buildings have been successfully designed and constructed throughout the United States for over fifty years. Today, the tiltup method of construction is used extensively to build all types of buildings, currently at a rate of 300,000,000 square feet of tilt-up concrete panels constructed in the United States each year. Recently, with the adoption of the 2006 edition of the International Building Code (IBC) in conjunction with the ASCE 7-05 Minimum Design Loads for Buildings and Other Structures , there has developed some confusion over what building type should tilt-up construction be classified for the purposes of seismic design – monolithic cast-in-place or precast?