Seismic Design of Concrete Parking Structure Ramps Jul, 2010 By Mehran Pourzanjani In Articles, Guest Column This article is currently only available in PDF format, please click the link to the top right. About the author ⁄ Mehran PourzanjaniMehran Pourzanjani, Chair of the Seismology Committee of the Structural Engineers Association of California, mehran@sbise.com. Prev Engineers Are from Aristotle Next Post-Tensioned Slabs on Ground