Characterization of alkali-activated nonwood biomass ash-based geopolymer concrete

Faris Matalkah, Parviz Soroushian, Anagi Balchandra, Amirpasha Peyvandi

    Research output: Contribution to journalArticle

    Abstract

    The combustion ash of a common nonwood biomass (wheat straw) was evaluated for value-added use in production of geopolymer concrete where alkali aluminosilicate hydrates are the primary binder constituents. The wheat straw ash was supplemented with other raw materials in order to achieve a desired chemical balance. The binder composition that performed well in experimental work comprised wheat straw ash:coal fly ash:metakaolin:gypsum at 0.50:0.25:0.25:0.05 weight ratios. The wheat straw ash-based concrete as well as a control portland cement concrete were subjected to a comprehensive experimental investigation. The workability, set time, compressive strength, residual compressive strength after immersion in boiling water, flexural strength, density, moisture absorption, voids content, capillary sorptivity, and acid and fire resistance of concrete materials were evaluated. The experimental results indicated that the nonwood biomass ash-based geopolymer concrete materials with proper binder formulation can provide desired mechanical attributes, moisture barrier qualities, durability, and fire resistance when compared with normal portland cement concrete.

    Original languageEnglish (US)
    Article number04016270
    JournalJournal of Materials in Civil Engineering
    Volume29
    Issue number4
    DOIs
    StatePublished - Apr 1 2017

    Profile

    Cryoglobulins
    Ashes
    Straw
    Alginates
    Panthera
    Geopolymers
    Binders
    Biomass
    Satellite Hospitals
    N,N-Dimethyltryptamine
    Dupuytren Contracture
    Competitive Binding
    Traffic Accidents
    Fire resistance
    Portland cement
    Compressive strength
    Moisture
    Actinomycetales Infections
    Carbamoyl-Phosphate Synthase (Ammonia)
    Abandoned Children

    Keywords

    • Acid resistance
    • Combustion ash
    • Durability
    • Fire resistance
    • Geopolymer concrete
    • Nonwood biomass
    • Sorptivity
    • Strength

    ASJC Scopus subject areas

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

    Cite this

    Characterization of alkali-activated nonwood biomass ash-based geopolymer concrete. / Matalkah, Faris; Soroushian, Parviz; Balchandra, Anagi; Peyvandi, Amirpasha.

    In: Journal of Materials in Civil Engineering, Vol. 29, No. 4, 04016270, 01.04.2017.

    Research output: Contribution to journalArticle

    Matalkah, Faris; Soroushian, Parviz; Balchandra, Anagi; Peyvandi, Amirpasha / Characterization of alkali-activated nonwood biomass ash-based geopolymer concrete.

    In: Journal of Materials in Civil Engineering, Vol. 29, No. 4, 04016270, 01.04.2017.

    Research output: Contribution to journalArticle

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