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GeneralCan Shotcrete be Affected by Alkali Silica Reaction?

Mark Lukkarila, F.ACI

The American Concrete Institute (ACI) defines alkali- silica reaction (ASR) in ACI CT-23: ACI Concrete Terminology as “the reaction between the alka- lies (sodium and potassium) in portland cement and certain siliceous rocks or minerals, such as opaline chert, strained quartz, and acidic volcanic glass,