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Rapid migration test

There are indications that this test is less variable than the Rapid Chloride Permeability testing RCPT and unaffected by different cementitious materials and conductive admixtures.  AASHTO has adopted this method as provisional Standard TP64.

A very similar test is described in Nordtest method NT BUILD 492 Concrete, mortar and cement based repair materials: Chloride migration coefficient from Non–steady–state migration experiments.


Acknowledgement: Concrete Society


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TR31 Permeability testing of site concrete