HUD Concerns: Post-Tensioned Foundations in Texas

by Richard J. Sazinski, U.S. Dept of Housing and Urban Dev, Denver, United States,



Document Type: Proceeding Paper

Part of: Unsaturated Soils

Abstract:

An investigation was conducted of post-tensioned slab foundation systems in Texas pursuant to a request from the Headquarters Office's of the U.S. Department of Housing and Urban Development (HUD). Single-family, detached, residential type units, whose loans were insured by HUD, constructed over expansive soil, were of primary concern. The key points of the report are presented and include a discussion of the foundation system, in general, and the results of observations, discussions and inspections conducted during the area visit. Pre- and post- construction concerns are presented. The continued acceptance by HUD of post-tensioned slab foundation systems, designed and constructed per Post-Tensioning Institute (PTI) procedures (PTI, 1980), was recommended, but only under soils, design and inspection certification requirements, which are presented.



Subject Headings: Tension | Foundation design | Slabs | Forensic engineering | Expansive soils | Inspection | United States | Texas

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