Abstract:The expansion of cement paste can occur as a result of secondary ettringite formation due to attack by sulfates. It has been proposed that this expansion is affected by coexisting hydration products such as calcium-silicate-hydrates (C-S-H), although the mechanism has not yet been clarified. Drying conditions may also influence secondary ettringite formation because the structure of the monosulfate is changed. The present study experimentally examined the effects of monosulfate pre-drying conditions and coexis… Show more
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