Experience of using the prTS 12390-12 accelerated carbonation test to assess the relative performance of concrete

Thomas A. Harrison, Martyn Roderick Jones, Moray David Newlands, Sivakumar Kandasami, Gaurav Khanna

    Research output: Contribution to journalArticle

    16 Citations (Scopus)

    Abstract

    This paper reports data on the use of the prTS 12390-12 accelerated carbonation test (reference method) over the past two decades and shows that accelerated carbonation testing is a suitable technique for ranking concretes in their carbonation resistance. Testing at 5, 7 and 10 weeks provides the optimum solution that minimises the risk of incorrect ranking of different constituent materials. Analysis of data from previous studies also shows that the reference test conditions of a partial pressure of 4% carbon dioxide are a suitable level which allows sufficient carbonation to take place for accurate depth measurement while the preconditioning period of 28 days standard followed by 2 weeks drying in laboratory air did not disadvantage pozzolanic and similar type cements.

    Original languageEnglish
    Pages (from-to)737-747
    Number of pages11
    JournalMagazine of Concrete Research
    Volume64
    Issue number8
    DOIs
    Publication statusPublished - Jul 2012

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