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Effect of Alkali-silica Reaction on Delayed Ettringite Formation in Concrete

Last updated on 15 October 2020 1:58

We investigated the effects of alkali-silica reaction (ASR) on delayed ettringite formation (DEF) using mortar test pieces comprising ASR reactive aggregates with added potassium sulfate under various environmental conditions. As a result, it was observed that ASR not only promotes expansion caused by DEF, it causes the expansion to occur...

Author(s): Yuki YAMAZAKI;Koji TSURUTA;Motoki UEHARA

Organisation(s): RTRI ;

2020

Japan

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