Factors Influencing Crack-Induced Tensile Strength of Compacted Soil
Publication: Journal of Materials in Civil Engineering
Volume 24, Issue 3
Abstract
Mode I (tensile) fracture is the most commonly observed failure in geostructures resulting from cracks in soil. Direct or indirect tensile tests have been used to evaluate the tensile strength of geomaterials. In this paper, the unconfined penetration device and experimental procedure were modified to reduce measurement errors. It was then used to determine the tensile strength of compacted soil. Factors influencing the tensile strength of the compacted soil, including the plasticity index, rate of loading, and size of specimen were discussed in detail, as well as its reliability. Experimental results indicated that the modified, unconfined penetration technique is sufficiently reliable and operator-friendly for determining the tensile strength of compacted soil.
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Acknowledgments
This research was sponsored by the Korea Science and Engineering Foundation under Grant KOSEFR08-2004-000-10089-0. The authors wish to acknowledge the assistance of Dr. H.Y. Fang, Professor Emeritus at Lehigh Univ. in reviewing the manuscript.
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Information
Published In
Journal of Materials in Civil Engineering
Volume 24 • Issue 3 • March 2012
Pages: 315 - 320
Copyright
© 2012 American Society of Civil Engineers.
History
Received: Jan 4, 2011
Accepted: Aug 17, 2011
Published online: Aug 19, 2011
Published in print: Mar 1, 2012
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