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    CORRELATIONS BETWEEN COMPRESSIVE, FLEXURAL, AND TENSILE BEHAVIOR OF SELF-CONSOLIDATING FIBER REINFORCED CONCRETE

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    Tameemi_ku_0099M_14294_DATA_1.pdf (16.97Mb)
    Issue Date
    2015-12-31
    Author
    Tameemi, Waleed Ali Hasan
    Publisher
    University of Kansas
    Format
    397 pages
    Type
    Thesis
    Degree Level
    M.S.
    Discipline
    Civil, Environmental & Architectural Engineering
    Rights
    Copyright held by the author.
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    Abstract
    Self-consolidating fiber reinforced concrete (SCFRC) is a hybrid concrete that is both self-compacting and fiber reinforced. Use of SCFRC in reinforced concrete members has been shown to result in improved behavior under shear, flexure, and compression relative to conventional reinforced concrete. The aim of this study was to investigate relationships between the compressive and tensile responses of SCFRC as well as relationships between measured compressive and flexural behavior. Such relationships would simplify characterization of the mechanical behavior of SCFRCs based on a relatively limited number of standard tests. A secondary objective was to quantify and report the effect of introducing different volume fractions of four types of steel fiber to SCCs with compressive strengths of 6 and 10 ksi. Four different hooked-end steel fibers were used in this study at volume fractions between 0.5% and 1.5%. Results showed that the post-peak slope in compression and the post-cracking flexural and tensile strengths all increased as fiber volume fraction increased, whereas properties up to development of cracking (or peak strength in the case of compression) were not affected by use of fibers. Among the parameters investigated, it was shown that the post-peak compressive response was most closely correlated with the post-crack peak strength in flexure and the flexural strength corresponding to a mid-span deflection of 0.04 in. It was also found that the within-batch coefficient of variation of post-crack peak tensile and flexural loads decreased significantly when T50 was at least 1.0 second, from an average of 40% to 13%. Of the fibers investigated, the RC-80/30-BP had the greatest impact on mechanical performance for a given volume fraction and the 3D RC-55/30-BG fiber had the least.
    URI
    http://hdl.handle.net/1808/19387
    Collections
    • Engineering Dissertations and Theses [1055]
    • Theses [3906]

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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