Chemical Stabilization of VHMS for Disaster Recovery Applications
Publication: Journal of Materials in Civil Engineering
Volume 27, Issue 7
Abstract
Very high moisture content fine grained soils (abbreviated as VHMS for very high moisture soils) have been studied from many perspectives, yet their role in disaster recovery has not been heavily investigated. This paper’s primary objective is to present material properties of portland cement stabilized VHMS and discuss its immediate reuse for disaster recovery. The paper focuses on laboratory properties that can be achieved by combinations of three soils with differing plasticity, seven portland cements at varying dosages, and two very high moisture levels. Approximately 1,200 unconfined compression tests were performed. Laboratory test results indicated shear strengths of could be achieved after 1–7 days of room temperature curing. Literature and practice review indicated chemically stabilized VHMS (i.e., emergency construction material) could be mixed with pugmills or concrete ready-mix trucks, pumped 1–3.2 km, and placed without mechanical compaction. Beneficial reuse after disaster recovery ceases is also likely in many applications. The overall assessment of the paper is that portland cement stabilized VHMS can be a viable solution for disaster recovery.
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Acknowledgments
The Department of Homeland Security sponsored by the Southeast Region Research Initiative (SERRI) at the Department of Energy’s Oak Ridge National Laboratory funded this research, with Isaac L. Howard as the principal investigator. Tim Cost, PE, F.ACI and Holcim (US), Inc. are owed thanks for considerable in-kind support to this research. Permission to publish this paper was given by the Director, Geotechnical and Structures Laboratory, U.S. Army Engineer Research and Development Center.
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Information & Authors
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Published In
Journal of Materials in Civil Engineering
Volume 27 • Issue 7 • July 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Jul 10, 2013
Accepted: Feb 27, 2014
Published online: Aug 19, 2014
Discussion open until: Jan 19, 2015
Published in print: Jul 1, 2015
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