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Pages 1-3

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From page 1...
... Publications reviewed included American Concrete Institute (ACI) guides and reports, FHWA reports and technical briefs, NCHRP reports, TRB annual meeting papers and Transportation Research Record articles, peer-reviewed journal and conference papers, technical reports prepared for agencies, and international publications.
From page 2...
... With some exceptions, most pozzolanic reactions do not produce heat, which makes SCMs such as fly ash and slag cement excellent additives in mass-concrete mixtures to control rise in concrete temperatures and avoid its damaging effect in mass structural members. According to ASTM C618-23, the source of the pozzolanic properties of SCMs is a com bination of high silica (SiO2)
From page 3...
... Three DOTs adjust the ingredients of concrete mixtures, and three limit the use of fly ash to only when durability is required in concrete applications. The survey results indicated that six of 33 responding state DOTs allow the use ASCMs, and seven plan to allow their use in the future.


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