Repeatability and reliability of new air and water permeability tests for assessing the durability of high-performance concretes

K. Yang, P.A.M. Basheer, B. Magee, Y. Bai, A. E. Long

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    11 Citations (Scopus)
    689 Downloads (Pure)

    Abstract

    This paper reports on the accuracy of new test methods developed to measure the air and water permeability of high-performance concretes (HPCs). Five representative HPC and one normal concrete (NC) mixtures were tested to estimate both repeatability and reliability of the proposed methods. Repeatability acceptance was adjudged using values of signal-noise ratio (SNR) and discrimination ratio (DR), and reliability was investigated by comparing against standard laboratory-based test methods (i.e., the RILEM gas permeability test and BS EN water penetration test). With SNR and DR values satisfying recommended criteria, it was concluded that test repeatability error has no significant influence on results. In addition, the research confirmed strong positive relationships between the proposed test methods and existing standard permeability assessment techniques. Based on these findings, the proposed test methods show strong potential to become recognized as international methods for determining the permeability of HPCs.

    Original languageEnglish
    Article number04015057
    JournalJournal of Materials in Civil Engineering
    Volume27
    Issue number12
    DOIs
    Publication statusPublished - 01 Dec 2015

    Keywords

    • Discrimination ratio (DR)
    • High-performance concrete (HPC)
    • Permeability testing
    • Reliability
    • Signal-noise ratio (SNR)
    • Standard laboratory permeability test

    ASJC Scopus subject areas

    • Building and Construction
    • Civil and Structural Engineering
    • General Materials Science
    • Mechanics of Materials

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