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Title: Modification of Bell Canyon Test (BCT) 1-FF grout
Authors: United States. Department of Energy.
Battelle Memorial Institute. Office of Nuclear Waste Isolation.
Sandia National Laboratories
Buck, Alan D.
Rhoderick, Jay E.
Burkes, J. P.
Mather, Katharine.
Reinhold, Ronald E.
Boa, John A.
Keywords: Bell Canyon Test (BCT) 1-FF grout
Silica fume
Fly ash
Nuclear waste
Repository sealing
Radioactive waste disposal
Publisher: Structures Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; SL-83-18.
Description: Miscellaneous Paper
Abstract: Bell Canyon Test (BCT) 1-FF grout was developed as a candidate material for use in repository sealing applications and was actually used in two field tests in New Mexico. This grout and modifications of it were made in the laboratory and tested or examined for workability, compressive strength, restrained expansion, permeability, phase composition, and microstructure. Most of these were done to an age of 1 year. Compressive strength and expansion data were determined beyond this age (960 days). Modifications included use of three other cements, two other fly ashes, a silica fume, different water contents, and different amounts of expansive additive (plaster). Each cement and mineral admixture was characterized by conventional chemical and physical tests as well as by X-ray diffraction examination. In general, the results indicated that the modifications to the basic BCT-1-FF grout produced other grouts that were as good as it. An exception to this was the grout mixture (M-8-C) made with shrinkage compensating expansive cement; it had an excessive flow time (>20 sec). Another grout mixture (M-9-C) also had excessive flow time and lower strength. It was thought that these problems could be solved with more modification to these two mixtures.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Miscellaneous Paper

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