Effects of Induced Vibrations on Early Age Concrete
Publication: Journal of Performance of Constructed Facilities
Volume 21, Issue 3
Abstract
The purpose of this investigation was to conduct a laboratory test program on how much induced vibrations on concrete during the period between initial set and final set affect the attainable strength of concrete. To achieve this purpose, a laboratory test program was conducted. The laboratory program consisted of casting 144 by concrete cylinders and subjecting them to one of two levels of vibration for either 1 or at five different ages ranging in time from before, during, and after the setting period for the concrete. The levels of vibration correspond to typical frequencies of vibratory soil compactors and the peak particle velocity produced by the compactors. Both compression and splitting tensile tests were performed. The results of the laboratory study indicate that vibratory soil compaction should not be considered a significant hazard to foundation strength as long as the vibrations are within the limits in this study.
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Acknowledgments
This research was conducted at the Engineering Forensics Research Institute (EFRI), which is an NSF funded research experience for undergraduates (REU) program (NSF Grant No. NSFEEC-0244061). Additional funding was provided by the Indiana Ready Mix Association and N.E.W. Interstate Concrete, Inc. The full report, EFRI 04/A01, (Dunham and Rush 2004) is available online at ⟨http://www.rose-hulman.edu/∼hanson/⟩.
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© 2007 ASCE.
History
Received: Mar 22, 2006
Accepted: May 25, 2006
Published online: Jun 1, 2007
Published in print: Jun 2007
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