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    A comparative study of self-consolidating concretes incorporating high-volume natural pozzolan or high-volume fly ash

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    Type
    Article
    Authors
    Celik, Kemal
    Meral, Cagla
    Mancio, Mauricio
    Mehta, P. Kumar
    Monteiro, Paulo J. M. cc
    KAUST Grant Number
    KUS-l1-004021
    Date
    2014-09
    Permanent link to this record
    http://hdl.handle.net/10754/597234
    
    Metadata
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    Abstract
    The purpose of this study is to compare the effects of Portland cement replacement on the strength and durability of self-consolidating concretes (SSC). The two replacement materials used are high-volume natural pozzolan (HVNP), a Saudi Arabian aluminum-silica rich basaltic glass and high-volume Class-F fly ash (HVFAF), from Jim Bridger Power Plant, Wyoming, US. As an extension of the study, limestone filler (LF) is also used to replace Portland cement, alongside HVNP or HVFAF, forming ternary blends. Along with compressive strength tests, non-steady state chloride migration and gas permeability tests were performed, as durability indicators, on SCC specimens. The results were compared to two reference concretes; 100% ordinary Portland cement (OPC) and 85% OPC - 15% LF by mass. The HVNP and HVFAF concrete mixes showed strength and durability results comparable to those of the reference concretes; identifying that both can effectively be used to produce low-cost and environmental friendly SCC. © 2013 Elsevier Ltd. All rights reserved.
    Citation
    Celik K, Meral C, Mancio M, Mehta PK, Monteiro PJM (2014) A comparative study of self-consolidating concretes incorporating high-volume natural pozzolan or high-volume fly ash. Construction and Building Materials 67: 14–19. Available: http://dx.doi.org/10.1016/j.conbuildmat.2013.11.065.
    Sponsors
    This publication was based on work supported in part by Award No. KUS-l1-004021, made by King Abdullah University of Science and Technology (KAUST) and by NIST Grants 60NANB10D014. The authors thank the insightful comments given by Dr. Rae Taylor.
    Publisher
    Elsevier BV
    Journal
    Construction and Building Materials
    DOI
    10.1016/j.conbuildmat.2013.11.065
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.conbuildmat.2013.11.065
    Scopus Count
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