Geotechnical evaluation of the design of post-tensioned slabs on expansive soils using the PTI third edition procedure for Arizona conditions

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Several changes have been introduced in going from the 2 nd Edition to the 3 rd Edition of the PTI procedure for the design of slabs-on-grade on expansive soils. The changes in the design procedure, when applied to desert regions, tend to result in doubling of the edge moisture variation distance and a change from center lift to edge lift design governing conditions. The new design parameters along with the change of critical mode of slab deformation lead, in general, to thicker slabs. It is the objective of this paper to examine the changes in the PTI design method and compare the results obtained with both the 2 nd and the 3 rd Edition design procedures for typical Phoenix, Arizona soils and climatic conditions. Copyright ASCE 2006.

Original languageEnglish (US)
Title of host publicationProceedings of the Fourth International Conference on Unsaturated Soils
Pages355-366
Number of pages12
Edition147
DOIs
StatePublished - Dec 21 2006
Event4th International Conference on Unsaturated Soils - Carefree, AZ, United States
Duration: Apr 2 2006Apr 5 2006

Publication series

NameGeotechnical Special Publication
Number147
ISSN (Print)0895-0563

Other

Other4th International Conference on Unsaturated Soils
CountryUnited States
CityCarefree, AZ
Period4/2/064/5/06

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Architecture
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology

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  • Cite this

    Dye, H. B., Zapata, C., & Houston, S. (2006). Geotechnical evaluation of the design of post-tensioned slabs on expansive soils using the PTI third edition procedure for Arizona conditions. In Proceedings of the Fourth International Conference on Unsaturated Soils (147 ed., pp. 355-366). (Geotechnical Special Publication; No. 147). https://doi.org/10.1061/40802(189)25