SOCON: a computer model for analyzing the behavior of sodium-concrete reactions

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Guided by experimental evidence available to date, ranging from basic laboratory studies to large scale tests, a mechanistic computer model (the SOCON model) has been developed to analyze the behavior of SOdium-CONcrete reactions. The model accounts for the thermal, chemical and mechanical phenomena which interact to determine the consequences of the reactions. Reaction limiting mechanisms could be any process which reduces water release and sodium transport to fresh concrete; the buildup of the inert reaction product layer would increase the resistance to sodium transport; water dry-out would decrease the bubble agitation transport mechanism. However, stress-induced failure of concrete, such as ... continued below

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Pages: 8

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Nguyen, D.G. & Muhlestein, L.D. March 1, 1985.

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Description

Guided by experimental evidence available to date, ranging from basic laboratory studies to large scale tests, a mechanistic computer model (the SOCON model) has been developed to analyze the behavior of SOdium-CONcrete reactions. The model accounts for the thermal, chemical and mechanical phenomena which interact to determine the consequences of the reactions. Reaction limiting mechanisms could be any process which reduces water release and sodium transport to fresh concrete; the buildup of the inert reaction product layer would increase the resistance to sodium transport; water dry-out would decrease the bubble agitation transport mechanism. However, stress-induced failure of concrete, such as spalling, crushing and cracking, and a massive release of gaseous products (hydrogen, water vapor and CO/sub 2/) would increase the transport of sodium to the reaction zone. The results of SOCON calculations are in excellent agreement with measurements obtained from large-scale sodium-limestone concrete reaction tests of duration up to 100 hours conducted at the Hanford Engineering Development Laboratory. 8 refs., 7 figs.

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Pages: 8

Notes

NTIS, PC A02/MF A01.

Source

  • ANS/ENS fast reactor safety meeting, Knoxville, TN, USA, 21 Apr 1985

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  • Other: DE85013734
  • Report No.: HEDL-SA-3249-FP
  • Report No.: CONF-850410-54
  • Grant Number: AC06-76FF02170
  • Office of Scientific & Technical Information Report Number: 5529899
  • Archival Resource Key: ark:/67531/metadc1093922

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • March 1, 1985

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • June 8, 2018, 7:14 p.m.

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Nguyen, D.G. & Muhlestein, L.D. SOCON: a computer model for analyzing the behavior of sodium-concrete reactions, article, March 1, 1985; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc1093922/: accessed December 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.