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A Durability Performance Index for Concrete: Developments in a Novel Test Method

McCarter, John, Chrisp, Malcolm, Starrs, Gerry, Basheer, Muhammed, Nanukuttan, Sreejith, Sudarshan, Srinivasan and Magee, Bryan (2015) A Durability Performance Index for Concrete: Developments in a Novel Test Method. Int. J. Structural Engineering, 6 (1). pp. 2-22. [Journal article]

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URL: http://www.inderscience.com/info/inarticletoc.php?jcode=ijstructe&year=2015&vol=6&issue=1

DOI: 10.1504/IJSTRUCTE.2015.067966


Implementation of both design for durability and performance-basedstandards and specifications are limited by the lack of rapid, simple, sciencebasedtest methods for characterising the transport properties and deteriorationresistance of concrete. This paper presents developments in the application ofelectrical property measurements as a testing methodology to evaluate therelative performance of a range of concrete mixes. The technique lends itself toin-situ monitoring thereby allowing measurements to be obtained on theas-placed concrete. Conductivity measurements are presented for concreteswith and without supplementary cementitious materials (SCM’s) fromdemoulding up to 350 days. It is shown that electrical conductivitymeasurements display a continual decrease over the entire test period andattributed to pore structure refinement due to hydration and pozzolanicreaction. The term formation factor is introduced to rank concrete performancein terms of is resistance to chloride penetration.

Item Type:Journal article
Keywords:Concrete; cover-zone; durability; performance testing; monitoring; electrical conductivity; formation factor.
Faculties and Schools:Faculty of Art, Design and the Built Environment
Faculty of Art, Design and the Built Environment > School of the Built Environment
Research Institutes and Groups:Built Environment Research Institute
Built Environment Research Institute > Studies Allied to Built Environment Research (SABER)
ID Code:36898
Deposited By: Dr Bryan Magee
Deposited On:10 Feb 2017 12:15
Last Modified:10 Feb 2017 12:15

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