Evaluation of Vibratory Compaction by In Situ Tests
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VIEW THE REPLYPublication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 145, Issue 12
Abstract
The effect of vibratory compaction on a sandy deposit was investigated using different types of in situ methods. An important objective was to determine the change in soil resistance and horizontal stress at different time intervals after compaction. The horizontal stress, measured by different in situ methods, showed a significant and permanent increase due to vibratory compaction. The overconsolidation ratio of compacted sand was estimated based on the increase in horizontal stress using different methods. The tangent modulus method is shown to be a powerful concept for evaluating the settlement of compacted soil by considering the increase in soil stiffness (modulus number) and overconsolidation. The modulus number derived from in situ tests was compared with data reported in the literature.
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Acknowledgments
The first author is indebted to the important contributions of the geotechnical department of the University of British Columbia (UBC) and in particular to Prof. R. Campanella and Mr. David F. Brown for the diligence with which the field investigations were carried out. The Tri Star resonance compaction work was managed by Mr. Leroy and supervised by Mr. Vanneste. Finally, the authors wish to acknowledge the effort and important comments made by two of the reviewers. Their contributions helped to improve the quality of the paper.
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©2019 American Society of Civil Engineers.
History
Received: Apr 27, 2018
Accepted: Jun 28, 2019
Published online: Sep 28, 2019
Published in print: Dec 1, 2019
Discussion open until: Feb 28, 2020
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