Tag Archive for Tag: ACR

Tag: ACR Alkali-carbonate reaction (ACR)

The alkali-carbonate reaction occurs between alkali hydroxides and certain argillaceous dolomitic limestones; these dolomites are characterized by a matrix of fine calcite and clay minerals with scattered dolomite rhombohedra. The reaction is manifested by the rapid expansion and extensive cracking of concrete, and structures affected by ACR usually show cracking within five years or less. Although there is a lack

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