Update on ASCE/SEI 7-10 and the 2012 IBC Dec, 2010 By Robert E. Bachman, S.E. and James Robert Harris, P.E., Ph.D., In Articles, Editorial This article is currently only available in PDF format, please click the link to the top right. About the author ⁄ Robert E. Bachman, S.E. Prev Post-Tensioned Slabs on Ground – Part 4 Next Duty to Defend