A Testing Methodology for Performance-Based Specification

William John McCarter, Benny Suryanto, HussamEldin Mohamed Taha, Sreejith Nanukuttan, P. A. Muhammed Basheer

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Abstract

Satisfactory guidelines for ensuring adequate reinforced concrete durability can only be developed by monitoring concrete performance under a range of field exposure conditions over an extended period of time. Only then can there be a move from prescriptive durability specifications (minimum grade, maximum water-binder ratio, and minimum cement content) to performance-based methods. The situation is also made more complex by the range of cements now available - BS EN 197 defines a total of 27 products in the family of common cements. Implementation of both design for durability and performance-based standards and specifications are limited by the lack of rapid, simple, science-based test methods for characterizing the transport properties and deterioration resistance of concrete. This paper presents an overview of performance-based specification and developments in the application of electrical property measurements as a candidate testing methodology in evaluating the relative performance of concrete mixes. The technique lends itself to in-situ monitoring thereby allowing measurements to be obtained on the as-placed concrete.
Original languageEnglish
Pages (from-to)78-88
Number of pages11
JournalJournal of Structural Integrity and Maintenance
Volume2
Issue number2
DOIs
Publication statusPublished - 24 May 2017

Keywords

  • concrete
  • durability
  • performance
  • resistivity
  • formation factor
  • testing

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