Preliminary laboratory testing of selected cementitious material for the Yucca Mountain Project repository sealing program: Yucca Mountain Project
- Pennsylvania State Univ., University Park, PA (USA). Materials Research Lab.
- Sandia National Labs., Albuquerque, NM (USA)
This report presents the results from laboratory tests on cementitious materials in support of the Yucca Mountain Project repository sealing program. The first part of this study included the short-term determination of physical and mechanical properties of eight mixtures. From this study, two expansive mixes --- one grout and one mortar --- were selected for more extensive study, which included mechanical properties over an extended period of time as well as interface permeability and bond strength measurements. As a further extension of this study, an additional mix was formulated to reduce the sulfate content with objective of lessening the potential of sulfate reacting as a complexing agent. Short-term mechanical properties of this mix were also determied. Data reflecting the physical and mechanical properties of the above cementitious mixtures indicate that potentially suitable cementitious sealing materials can be developed for use in a repository located in an unsaturated tuff environment. However, additional laboratory testing will be required to more completely understand the basic properties of potentially suitable cementitious mixtures in an unsaturated tuff environment. Also, the suitability of each lab test should be evaluated to determine if reliable material property values can be obtained from the test. 21 refs., 16 figs., 27 tabs.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 137757
- Report Number(s):
- SAND--86-0558; ON: DE90013554
- Country of Publication:
- United States
- Language:
- English
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