Post-Tensioning Institute
The Post-Tensioning Institute (PTI) is a not-for-profit trade association committed to advancing the quality, safety, efficiency, profitability, and use of post-tensioning systems. PTI's manuals and technical guides provide guidance on the design, construction, maintenance, and repair/rehabilitation of post-tensioned concrete structures. Additionally, PTI aims to ensure that specifiers and purchasers of post-tensioning materials receive products and services that meet a standard of quality through its plant and field personnel certification programs. Members of the Institute include major post-tensioning companies, as well as more than 500 professional members, engineers, architects , and contractors from around the globe. History. PTI was founded in . Members of the Institute include major post-tensioning materials fabricators, manufacturers of prestressing materials and companies supplying materials, services and equipment used in post-tensioned construction. Additionally, members include professional engineers, architects and contractors. Technical Committees. The Technical Advisory Board reviews and oversees all technical activities of the Institute, including education and certification.