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    Developing high performance concrete for precast/prestressed concrete industry

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    Author
    Akhnoukh, Amin K.; Elia, Hala
    Abstract
    High performance concrete (HPC) is a new class of concrete that has superior characteristics compared to conventional concrete. Despite of its superior characteristics, HPC is not widely used in local and international markets due to its high constituent materials cost. This paper presents the research done to develop economic HPC mixes using local materials and conventional mixing and curing techniques. HPC characteristics were attained using supplementary cementitious materials as silica fume and class C fly in partial replacement of Portland cement. Superplasticizers were used to maintain a high flowing ability using a low water-to-powder ratio. Concrete mixes were produced using a high energy mixer to maintain sufficient mix consistency. As a result, concrete mixes with 24 -h compressive strength of 70 MPa and 28-day strength of 105 MPa were produced. Concrete samples tested for expansion using accelerated mortar bar test (AMBT) showed that developed concrete is not susceptible to alkali-silica reaction. Improved characteristics can be used in improving the performance of concrete construction projects, reduce required maintenance, and increase construction projects life-span.
    URI
    http://hdl.handle.net/10342/7576
    Subject
     Class C fly ash; Silica fume alkali-silica reaction; Precast concrete; High performance concrete 
    Date
    2019-12
    Citation:
    APA:
    Akhnoukh, Amin K., & Elia, Hala. (December 2019). Developing high performance concrete for precast/prestressed concrete industry. Case Studies in Construction Materials, (11:e00290), p.. Retrieved from http://hdl.handle.net/10342/7576

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    MLA:
    Akhnoukh, Amin K., and Elia, Hala. "Developing high performance concrete for precast/prestressed concrete industry". Case Studies in Construction Materials. 11:e00290. (.), December 2019. August 16, 2022. http://hdl.handle.net/10342/7576.
    Chicago:
    Akhnoukh, Amin K. and Elia, Hala, "Developing high performance concrete for precast/prestressed concrete industry," Case Studies in Construction Materials 11, no. e00290 (December 2019), http://hdl.handle.net/10342/7576 (accessed August 16, 2022).
    AMA:
    Akhnoukh, Amin K., Elia, Hala. Developing high performance concrete for precast/prestressed concrete industry. Case Studies in Construction Materials. December 2019; 11(e00290) . http://hdl.handle.net/10342/7576. Accessed August 16, 2022.
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