Research Article
May 1972
Subgrade Moisture under Oklahoma Highways
Authors: T. Allan Haliburton, M.ASCE, Donald R. Snethen, AM.ASCE, Larry K. Shaw, AM.ASCE, and B. Dan Marks III, AM.ASCEAuthor Affiliations
Publication: Transportation Engineering Journal of ASCE
Volume 98, Issue 2
Abstract
Data and conclusions from a 6-yr field study of subgrade moisture under existing Oklahoma highways are presented to show the effects of soil, climate, and highway design on subgrade moisture conditions. Effects of subgrade moisture conditions on expansive subgrade volume change and overall highway performance are also described. Subgrade moisture contents were found to increase, over a 2-yr. interval, from original conditions to an equilibrium value of 1.1 times to 1.3 times the subgrade plastic limit. This moisture increase caused lateral and vertical subgrade expansion, reduced subgrade soil support, and rendered the pavement system pervious to rainfall infiltration and evaporation, with resulting rapid pavement deterioration. Suggestions for design of highways on expansive Oklahoma subgrades are summarized.
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Published In
Transportation Engineering Journal of ASCE
Volume 98 • Issue 2 • May 1972
Pages: 325 - 339
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: May 1972
Published online: Feb 5, 2021
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Authors
Affiliations
T. Allan Haliburton, M.ASCE
Assoc. Prof., School of Civ. Engrg., Oklahoma State Univ., Stillwater, OK
Donald R. Snethen, AM.ASCE
Res. Asst., School of Civ. Engrg., Oklahoma State Univ., Stillwater, OK
Larry K. Shaw, AM.ASCE
Civ. Engr., Brown & Root, Inc., Houston, TX.
B. Dan Marks III, AM.ASCE
Asst. Prof., Dept. of Civ. Engrg., Univ. of Tennessee, Knoxville, TN
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.