Relationships between In Situ and Roller-Integrated Compaction Measurements for Granular Soils
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VIEW THE REPLYPublication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 134, Issue 12
Abstract
To evaluate compaction meter value and machine drive power roller-integrated compaction technologies, a field study was conducted with test strips using five granular materials. The test strips were compacted using a prototype CS-533E vibratory smooth drum roller and tested for various compaction parameters using in situ test methods (e.g., nuclear moisture density, dynamic cone penetrometer, plate load tests, etc.). To characterize the roller machine-ground interaction, soil testing focused on measuring soil compaction parameters of the compaction layer, to a depth not exceeding . The experimental testing of five test strips provided roller data and in situ measurements for several stages of compaction that were used in performing statistical regression analyses. The relationships between data from the roller-integrated compaction technologies were investigated with special consideration for the relative variation that was observed for each measurement system. Statistical averaging mitigated measurement variability and revealed statistically significant relationships between in situ and roller-integrated compaction measurements. This research demonstrates statistical analysis techniques for which calibration procedures using roller-integrated compaction technologies may be developed.
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Acknowledgments
The FHWA Federal Technology and Innovation Program, Caterpillar, Inc., the Highway Division of the Iowa Department of Transportation (Iowa DOT), and the Iowa Highway Research Board (IHRB) sponsored this study under Contract No. UNSPECIFIEDTR-495. Further, this material is based upon work supported under a National Science Foundation Graduate Research Fellowship.NSF The writers are grateful for this sponsorship. The writers also would like to acknowledge Tom Congdon, Allen DeClerk, Paul Corcoran, Liqun Chi, Tom Cackler, Ed Jaselskis, and Vern Schaefer. Lifeng Li, Allison Moyer, Heath Gieselman, Jeremy McIntyre, and Muhannad Suleiman provided assistance with field testing. Pavana Vennapusa provided helpful review comments.
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Information
Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 134 • Issue 12 • December 2008
Pages: 1763 - 1770
Copyright
© 2008 ASCE.
History
Received: Oct 12, 2006
Accepted: Oct 10, 2007
Published online: Dec 1, 2008
Published in print: Dec 2008
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