Please use this identifier to cite or link to this item: https://hdl.handle.net/11681/11400
Title: Borehole Plugging Program (Waste Disposal). Report 2, Petrographic examination of several four-year-old laboratory developed grout mixtures
Authors: Structures Laboratory (U.S.)
Sandia National Laboratories
Battelle Memorial Institute. Office of Buclear Waste Isolation.
Rhoderick, Jay E.
Buck, Alan D.
Keywords: Borehole plugging
Cement grout
Nuclear waste disposal
Petrography
Scanning electron microscopy
X-ray diffraction
Publisher: Concrete Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; C-78-1 rept.2.
Description: Miscellaneous paper
Abstract: Specimens from five grout mixtures had been stored in either simulated brine groundwater at 73°F or in laboratory air for approximately 4 years. The variables included type of cement, use of a natural pozzolan, and use of salt in two mixtures. Available specimens were inspected; a specimen stored wet and one stored dry from each grout mixture were examined by X-ray diffraction for phase composition and by scanning electron microscopy to study microstructure. The results showed that: a. Cracking of specimens was common; it was believed to be due mainly to temperature change and/or moisture change effects. b. The mixture variables were generally not recognizable. c. The phase composition and microstructure of the five grout mixtures were considered normal.
Rights: Approved for public release; distribution is unlimited.
URI: http://hdl.handle.net/11681/11400
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