Provides recommendations for economical post-tensioned slab-on-ground foundations. It presents guidelines for soil investigation, design and construction of post-tensioned residential and light commercial slabs on expansive or compressible soils. It includes three complete design examples and information on design of industrial floors on stable soils. The Second Edition provides notable revisions in several chapters. The revisions are provided to clarify or guide the designer in the applicability of this design procedure and its limitations. In addition, it offers a design method for "uniform thickness foundations" and modifies the permissible sheer stress equation.