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    Stress-Strain Relationship of High-Strength Fiber Concrete in Compression

    Source: Journal of Materials in Civil Engineering:;1999:;Volume ( 011 ):;issue: 001
    Author:
    M. A. Mansur
    ,
    M. S. Chin
    ,
    T. H. Wee
    DOI: 10.1061/(ASCE)0899-1561(1999)11:1(21)
    Publisher: American Society of Civil Engineers
    Abstract: Tests conducted to characterize the stress-strain relationship of high-strength fiber concrete in compression using both cylindrical and prismatic specimens are reported. The concrete strength investigated ranges from 70 to 120 MPa. Other parameters include volume fraction of steel fibers and direction of casting in relation to the loading axis. Test results indicate that inclusion of fibers improves the strength and enhances the strain at peak stress but results in a smaller initial tangent modulus for specimens cast in an upright (vertical) position. Vertically cast prisms provide higher strains at peak stress and better postpeak ductility than cylindrical specimens. Based on the test data, an analytical model is proposed to generate the complete stress-strain σ-ε curves of high-strength fiber concrete derived from cylinders and horizontally cast prisms. The proposed model has been found to agree well with the stress-strain curves generated experimentally.
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      Stress-Strain Relationship of High-Strength Fiber Concrete in Compression

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    http://yetl.yabesh.ir/yetl1/handle/yetl/45561
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    contributor authorM. A. Mansur
    contributor authorM. S. Chin
    contributor authorT. H. Wee
    date accessioned2017-05-08T21:17:06Z
    date available2017-05-08T21:17:06Z
    date copyrightFebruary 1999
    date issued1999
    identifier other%28asce%290899-1561%281999%2911%3A1%2821%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/45561
    description abstractTests conducted to characterize the stress-strain relationship of high-strength fiber concrete in compression using both cylindrical and prismatic specimens are reported. The concrete strength investigated ranges from 70 to 120 MPa. Other parameters include volume fraction of steel fibers and direction of casting in relation to the loading axis. Test results indicate that inclusion of fibers improves the strength and enhances the strain at peak stress but results in a smaller initial tangent modulus for specimens cast in an upright (vertical) position. Vertically cast prisms provide higher strains at peak stress and better postpeak ductility than cylindrical specimens. Based on the test data, an analytical model is proposed to generate the complete stress-strain σ-ε curves of high-strength fiber concrete derived from cylinders and horizontally cast prisms. The proposed model has been found to agree well with the stress-strain curves generated experimentally.
    publisherAmerican Society of Civil Engineers
    titleStress-Strain Relationship of High-Strength Fiber Concrete in Compression
    typeJournal Paper
    journal volume11
    journal issue1
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)0899-1561(1999)11:1(21)
    treeJournal of Materials in Civil Engineering:;1999:;Volume ( 011 ):;issue: 001
    contenttypeFulltext
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