Helical Piles: A Practical Guide to Design and Installation

Howard A. Perko, PhD, PE, has sixteen years of consulting engineering experience, is an instructor at Colorado State University, and the Director of Engineering for Magnum Geo Solutions, LLC. Dr. Perko has been active in the Helical Foundations and Tiebacks Committee of the Deep Foundations Institute since 2002, serving as its Chairman since 2008. He is also a member of the editorial advisory board for helicalpierworld.com.