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

Kemal Celik, Cagla Meral, Mauricio Mancio, P. Kumar Mehta, Paulo J.M. Monteiro

    Research output: Contribution to journalArticle

    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.

    Original languageEnglish (US)
    Pages (from-to)14-19
    Number of pages6
    JournalConstruction and Building Materials
    Volume67
    DOIs
    StatePublished - Jan 1 2014

    Fingerprint

    Pozzolan
    Coal Ash
    Portland cement
    Fly ash
    Concretes
    Durability
    Calcium Carbonate
    Limestone
    Fillers
    Gas permeability
    Concrete mixtures
    Aluminum
    Silicon Dioxide
    Compressive strength
    Chlorides
    Power plants
    Silica
    Glass
    Costs

    Keywords

    • Durability
    • High volume fly ash
    • High volume natural pozzolan
    • Limestone
    • Ternary blend

    ASJC Scopus subject areas

    • Civil and Structural Engineering
    • Building and Construction
    • Materials Science(all)

    Cite this

    A comparative study of self-consolidating concretes incorporating high-volume natural pozzolan or high-volume fly ash. / Celik, Kemal; Meral, Cagla; Mancio, Mauricio; Mehta, P. Kumar; Monteiro, Paulo J.M.

    In: Construction and Building Materials, Vol. 67, 01.01.2014, p. 14-19.

    Research output: Contribution to journalArticle

    Celik, Kemal ; Meral, Cagla ; Mancio, Mauricio ; Mehta, P. Kumar ; Monteiro, Paulo J.M. / A comparative study of self-consolidating concretes incorporating high-volume natural pozzolan or high-volume fly ash. In: Construction and Building Materials. 2014 ; Vol. 67. pp. 14-19.
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