TECHNICAL NOTES
Jun 1, 1991
Expansion of Compacted Gravelly Clay
Publication: Journal of Geotechnical Engineering
Volume 117, Issue 6
Abstract
The primary factors governing the expansion of a compacted clayey soil are the amount and activity of the clay particles. In many cases, the compacted soil may contain gravel-sized particles that, by themselves, will not expand in the presence of water. For swell tests on gravelly clay at a constant matrix dry density, normalized swell data are plotted near the volume relationship. This indicated that the swell behavior of the compacted gravelly clay was based solely on a reduction in volume caused by the presence of gravel. For swell tests on gravelly clay at a constant compactive effort, the normalized swell data approached the weight relationship. The gravel particles interfered with compaction, which caused a lower dry density of the soil matrix as the gravel content increased. When predicting the percentage of swell of a gravelly clay, the results of this study indicate that swell depends on whether the soil is compacted to a constant matrix dry density, or whether it is compacted by a constant compactive effort.
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References
1.
Chen, F. H. (1988). Foundations on expansive soil. 2nd Ed., Elsevier Scientific Publishing Company, New York, N.Y.
2.
Uniform building code. (1988). International Conference of Building Officials, Whittier, Calif.
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Copyright © 1991 ASCE.
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Published online: Jun 1, 1991
Published in print: Jun 1991
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Robert W. Day, Member, ASCE
Chf. Engr., American Geotech., 5755 Oberlin Dr., Suite 104, San Diego, CA 92121
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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.