Cementitious Barriers Partnership FY2013 End-Year Report

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Description

In FY2013, the Cementitious Barriers Partnership (CBP) demonstrated continued tangible progress toward fulfilling the objective of developing a set of software tools to improve understanding and prediction of the long‐term structural, hydraulic and chemical performance of cementitious barriers used in nuclear applications. In November 2012, the CBP released “Version 1.0” of the CBP Software Toolbox, a suite of software for simulating reactive transport in cementitious materials and important degradation phenomena. In addition, the CBP completed development of new software for the “Version 2.0” Toolbox to be released in early FY2014 and demonstrated use of the Version 1.0 Toolbox on DOE ... continued below

Physical Description

26 p.

Creation Information

Flach, G. P.; Langton, C. A.; Burns, H. H.; Smith, F. G.; Kosson, D. S.; Brown, K. G. et al. November 1, 2013.

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Authors

  • Flach, G. P. Savannah River Site (SRS), Aiken, SC (United States)
  • Langton, C. A. Savannah River Site (SRS), Aiken, SC (United States)
  • Burns, H. H. Savannah River Site (SRS), Aiken, SC (United States)
  • Smith, F. G. Savannah River Site (SRS), Aiken, SC (United States)
  • Kosson, D. S. Vanderbilt University, School of Engineering, Nashville, TN (United States)
  • Brown, K. G. Vanderbilt University, School of Engineering, Nashville, TN (United States)
  • Samson, E. SIMCO Technologies, Inc., Quebec (Canada)
  • Meeussen, J. C.L. Nuclear Research and Consultancy Group (NRG), Petten (The Netherlands)
  • van der Sloot, H. A. Hans van der Sloot Consultancy, Langedijk (The Netherlands)
  • Garboczi, E. J. Materials & Construction Research Division, National Institute of Standards and Technology, Gaithersburg, MD (United States)

Publisher

  • Savannah River Site (S.C.)
    Publisher Info: Savannah River Site (SRS), Aiken, SC (United States)
    Place of Publication: Aiken, South Carolina

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Description

In FY2013, the Cementitious Barriers Partnership (CBP) demonstrated continued tangible progress toward fulfilling the objective of developing a set of software tools to improve understanding and prediction of the long‐term structural, hydraulic and chemical performance of cementitious barriers used in nuclear applications. In November 2012, the CBP released “Version 1.0” of the CBP Software Toolbox, a suite of software for simulating reactive transport in cementitious materials and important degradation phenomena. In addition, the CBP completed development of new software for the “Version 2.0” Toolbox to be released in early FY2014 and demonstrated use of the Version 1.0 Toolbox on DOE applications. The current primary software components in both Versions 1.0 and 2.0 are LeachXS/ORCHESTRA, STADIUM, and a GoldSim interface for probabilistic analysis of selected degradation scenarios. The CBP Software Toolbox Version 1.0 supports analysis of external sulfate attack (including damage mechanics), carbonation, and primary constituent leaching. Version 2.0 includes the additional analysis of chloride attack and dual regime flow and contaminant migration in fractured and non‐fractured cementitious material. The LeachXS component embodies an extensive material property measurements database along with chemical speciation and reactive mass transport simulation cases with emphasis on leaching of major, trace and radionuclide constituents from cementitious materials used in DOE facilities, such as Saltstone (Savannah River) and Cast Stone (Hanford), tank closure grouts, and barrier concretes. STADIUM focuses on the physical and structural service life of materials and components based on chemical speciation and reactive mass transport of major cement constituents and aggressive species (e.g., chloride, sulfate, etc.). THAMES is a planned future CBP Toolbox component focused on simulation of the microstructure of cementitious materials and calculation of resultant hydraulic and constituent mass transfer parameters needed in modeling. Two CBP software demonstrations were conducted in FY2013, one to support the Saltstone Disposal Facility (SDF) at SRS and the other on a representative Hanford high‐level waste tank. The CBP Toolbox demonstration on the SDF provided analysis on the most probable degradation mechanisms to the cementitious vault enclosure caused by sulfate and carbonation ingress. This analysis was documented and resulted in the issuance of a SDF Performance Assessment Special Analysis by Liquid Waste Operations this fiscal year. The two new software tools supporting chloride attack and dual‐regime flow will provide additional degradation tools to better evaluate performance of DOE and commercial cementitious barriers. The CBP SRNL experimental program produced two patent applications and field data that will be used in the development and calibration of CBP software tools being developed in FY2014. The CBP software and simulation tools varies from other efforts in that all the tools are based upon specific and relevant experimental research of cementitious materials utilized in DOE applications. The CBP FY2013 program involved continuing research to improve and enhance the simulation tools as well as developing new tools that model other key degradation phenomena not addressed in Version 1.0. Also efforts to continue to verify the various simulation tools through laboratory experiments and analysis of field specimens are ongoing and will continue into FY2014 to quantify and reduce the uncertainty associated with performance assessments. This end‐year report summarizes FY2013 software development efforts and the various experimental programs that are providing data for calibration and validation of the CBP developed software.

Physical Description

26 p.

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Identifier

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  • Report No.: CBP-TR--2014-001
  • Grant Number: DE-AC09-08SR22470
  • DOI: 10.2172/1110831 | External Link
  • Office of Scientific & Technical Information Report Number: 1110831
  • Archival Resource Key: ark:/67531/metadc862981

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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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Creation Date

  • November 1, 2013

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

Description Last Updated

  • Dec. 6, 2016, 6:17 p.m.

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Flach, G. P.; Langton, C. A.; Burns, H. H.; Smith, F. G.; Kosson, D. S.; Brown, K. G. et al. Cementitious Barriers Partnership FY2013 End-Year Report, report, November 1, 2013; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc862981/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.