Pavement problems caused by collapsible subgrades

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Abstract

Problem subgrade materials consisting of collapsible soils are common in arid environments, which have climatic conditions and depositional and weathering processes favorable to their formation. Included herein is a discussion of predictive techniques that use commonly available laboratory equipment and testing methods for obtaining reliable estimates of the volume change for these problem soils. A method for predicting relevant stresses and corresponding collapse strains for typical pavement subgrades is presented. Relatively simple methods of evaluating potential volume change, based on results of familiar laboratory tests, are used.

Original languageEnglish (US)
Pages (from-to)673-683
Number of pages11
JournalJournal of Transportation Engineering
Volume114
Issue number6
DOIs
StatePublished - Nov 1988

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ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Transportation

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