Effect of alkali-silica reaction on the fracture properties of confined concrete

Hayes, Nolan W.; Giorla, Alain Benjamin; Trent, Walker; Cong, Derek; Le Pape, Yann; Ma, Zhongguo John

doi:10.1016/j.conbuildmat.2019.117641

Title: Effect of alkali-silica reaction on the fracture properties of confined concrete

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Abstract

Alkali-silica reaction (ASR), which was recently discovered in nuclear power plant structures commonly without shear reinforcement, has previously been shown to induce anisotropic expansion in confined concrete. The fracture properties (strength, stiffness, and specific fracture energy) of ASR-induced anisotropically-damaged concrete specimens were quantified by varying both the damage level and relative direction of the ASR-induced cracking orientation against the loading direction corresponding to the fracture propagation. Here, the effect of different orientations (0, 45, and 90° relative to the notch of the specimen) of expected ASR-induced cracks on the fracture properties was investigated using a wedge-splitting test (WST). Specimens without ASR expansion generally showed the highest fracture properties; however, the specific fracture energy was highest for ASR-affected specimens in which the expected orientation of ASR-induced cracks was perpendicular to the WST specimen notch. Specimens in which the ASR-induced cracks were parallel to the notch exhibited the lowest strength and fracture energy.

Authors:

Hayes, Nolan W. ^[1];

^[2]; Trent, Walker ^[1]; Cong, Derek ^[3];

^[2]; Ma, Zhongguo John ^[1]

Univ. of Tennessee, Knoxville, TN (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Wiss, Janney, Elstner Associates, Inc., Austin, TX (United States)

Publication Date:: 2019-12-06

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Nuclear Energy (NE)

OSTI Identifier:: 1607114

Alternate Identifier(s):: OSTI ID: 1778419

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Accepted Manuscript

Journal Name:: Construction and Building Materials

Additional Journal Information:: Journal Volume: 238; Journal Issue: C; Journal ID: ISSN 0950-0618

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; concrete; alkali-silica reaction; fracture energy; wedge-splitting test; laboratory testing

Citation Formats


                    Hayes, Nolan W., Giorla, Alain Benjamin, Trent, Walker, Cong, Derek, Le Pape, Yann, and Ma, Zhongguo John. Effect of alkali-silica reaction on the fracture properties of confined concrete.  United States: N. p., 2019. 
Web.  doi:10.1016/j.conbuildmat.2019.117641.

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                    Hayes, Nolan W., Giorla, Alain Benjamin, Trent, Walker, Cong, Derek, Le Pape, Yann, & Ma, Zhongguo John. Effect of alkali-silica reaction on the fracture properties of confined concrete.  United States.  https://doi.org/10.1016/j.conbuildmat.2019.117641

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                    Hayes, Nolan W., Giorla, Alain Benjamin, Trent, Walker, Cong, Derek, Le Pape, Yann, and Ma, Zhongguo John. Fri .  
"Effect of alkali-silica reaction on the fracture properties of confined concrete".  United States.  https://doi.org/10.1016/j.conbuildmat.2019.117641.  https://www.osti.gov/servlets/purl/1607114.

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@article{osti_1607114,

  title        = {Effect of alkali-silica reaction on the fracture properties of confined concrete},

  author       = {Hayes, Nolan W. and Giorla, Alain Benjamin and Trent, Walker and Cong, Derek and Le Pape, Yann and Ma, Zhongguo John},

  abstractNote = {Alkali-silica reaction (ASR), which was recently discovered in nuclear power plant structures commonly without shear reinforcement, has previously been shown to induce anisotropic expansion in confined concrete. The fracture properties (strength, stiffness, and specific fracture energy) of ASR-induced anisotropically-damaged concrete specimens were quantified by varying both the damage level and relative direction of the ASR-induced cracking orientation against the loading direction corresponding to the fracture propagation. Here, the effect of different orientations (0, 45, and 90° relative to the notch of the specimen) of expected ASR-induced cracks on the fracture properties was investigated using a wedge-splitting test (WST). Specimens without ASR expansion generally showed the highest fracture properties; however, the specific fracture energy was highest for ASR-affected specimens in which the expected orientation of ASR-induced cracks was perpendicular to the WST specimen notch. Specimens in which the ASR-induced cracks were parallel to the notch exhibited the lowest strength and fracture energy.},

  doi          = {10.1016/j.conbuildmat.2019.117641},

  journal      = {Construction and Building Materials},

  number       = C,

  volume       = 238,

  place        = {United States},

  year         = {2019},

  month        = {12}

}

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