Research Article
Jul 1979
Pore Distribution and Permeability of Silty Clays
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VIEW THE REPLYAuthors: Ignacio Garcia-Bengochea, AM.ASCE, Adolph G. Altschaeffl, F.ASCE, and Charles William Lovell, F.ASCEAuthor Affiliations
Publication: Journal of the Geotechnical Engineering Division
Volume 105, Issue 7
Abstract
This investigation utilizes pore size distribution measurements to examine the relationship between permeability and compactive variables for laboratory compacted clayey silts. Closed-system falling head permeability tests under back pressure were performed on each of the compacted samples. Freeze drying was successfully used to dehydrate specimens prior to pore size measurements. The mercury intrusion technique was used to determine the pore size distribution. The pore size distributions of the soils tested were bimodal with a large pore mode occurring between 10 ? and 1 ? and a small pore mode occurring at 0.1 ?. Varying the compaction variables produced changes in the size and frequency of the large pore mode, but caused no change in the pore size distribution about the small pore mode for a given soil type. Three theoretical permeability models that relate pore size distribution parameters to permeability were generated. These parameters were successfully used to determine empirical permeability prediction equations for the soils tested.
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Published In
Journal of the Geotechnical Engineering Division
Volume 105 • Issue 7 • July 1979
Pages: 839 - 856
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Jul 1979
Published online: Feb 11, 2021
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Authors
Affiliations
Ignacio Garcia-Bengochea, AM.ASCE
Geotechnical Engr., CH2M Hill, Portland, Oreg
Adolph G. Altschaeffl, F.ASCE
Prof. of Civ. Engrg.; Purdue Univ., West Lafayette, Ind
Charles William Lovell, F.ASCE
Prof. of Civ. Engrg.; Purdue Univ., West Lafayette, Ind
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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.