Further Validation of Alkali-Silica Reaction (ASR) Testing and Approach for Formulating ASR Resistant Mix [Project Summary]
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2018-02-28
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Alternative Title:0-6656-01: Further Validation of Alkali-Silica Reaction (ASR) Testing and Approach for Formulating ASR Resistant Mix
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Abstract:Alkali-silica reaction (ASR) is recognized as a major concern for the Texas Department of Transportation (TxDOT). In the previous project 0-6656, a volumetric change measuring device (VCMD)–based aggregate chemical method was validated as a rapid (within 5 days) and reliable method to determine aggregate reactivity in terms of measuring composite activation parameter (CAP) and measure aggregate threshold alkalinity (THA). A new accelerated concrete cylinder testing (ACCT) was developed in that project as a potential concrete ASR test.
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