Hydrothermal alteration of concrete: Yucca Mountain repository analogues

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Concrete could comprise a major share of construction materials present in the potential Yucca Mountain high-level radioactive waste repository. Concrete and shotcrete would be used as mechanical support (precast concrete liners), or road bed (invert) in repository emplacement drifts. These drifts could reach at least 150 to 200{degrees}C for extended periods of time, possibly in the presence of fluids. This study characterizes chemical and structural transformations in concrete that may occur as a result of a repository hydrothermal cycle. The specific concrete formulation to be used in the potential Yucca Mountain repository had not been determined at the time of ... continued below

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Myers, K.B. & Meike, A. October 1, 1997.

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Concrete could comprise a major share of construction materials present in the potential Yucca Mountain high-level radioactive waste repository. Concrete and shotcrete would be used as mechanical support (precast concrete liners), or road bed (invert) in repository emplacement drifts. These drifts could reach at least 150 to 200{degrees}C for extended periods of time, possibly in the presence of fluids. This study characterizes chemical and structural transformations in concrete that may occur as a result of a repository hydrothermal cycle. The specific concrete formulation to be used in the potential Yucca Mountain repository had not been determined at the time of the experiment. Invert and Fibercrete{sup TM} materials from the Exploratory Studies Facility (ESF) were chosen for these experiments as representatives of standard construction concrete used in this setting.

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12 p.; Other: FDE: PDF; PL:

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INIS; OSTI as DE98057856

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  • 1998 international high-level radioactive waste management conference, Las Vegas, NV (United States), 11-14 May 1998

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  • Other: DE98057856
  • Report No.: UCRL-JC--128948
  • Report No.: CONF-980516--
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 670067
  • Archival Resource Key: ark:/67531/metadc706025

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  • October 1, 1997

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  • Sept. 12, 2015, 6:31 a.m.

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  • May 18, 2016, 5:46 p.m.

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Myers, K.B. & Meike, A. Hydrothermal alteration of concrete: Yucca Mountain repository analogues, article, October 1, 1997; California. (digital.library.unt.edu/ark:/67531/metadc706025/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.