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A platform for research: civil engineering, architecture and urbanism
Flexural Fatigue Behavior of a Self-Compacting Ultrahigh Performance Fiber-Reinforced Concrete
The flexural fatigue behavior of an ultrahigh performance fiber-reinforced concrete (UHPFRC) is investigated. This UHPFRC is a self-compacting and industrially competitive version of an earlier material developed by the second author that is expensive because of the high cost of brass-coated steel fibers used in it. It is found that the distribution of fibers plays a crucial role in the fatigue resistance of this UHPFRC. Uniform distribution of fibers ensures that the material has a very high fatigue endurance limit (19 MPa)—more than 80% of its static flexural strength (24.36 MPa) at a mean stress of 44.5% (10.85 MPa)—but this decreases to approximately 64% (14 MPa) of the static strength (22.02 MPa) at a mean stress of 37% if the distribution is nonuniform with regions of few or no fibers.
Flexural Fatigue Behavior of a Self-Compacting Ultrahigh Performance Fiber-Reinforced Concrete
The flexural fatigue behavior of an ultrahigh performance fiber-reinforced concrete (UHPFRC) is investigated. This UHPFRC is a self-compacting and industrially competitive version of an earlier material developed by the second author that is expensive because of the high cost of brass-coated steel fibers used in it. It is found that the distribution of fibers plays a crucial role in the fatigue resistance of this UHPFRC. Uniform distribution of fibers ensures that the material has a very high fatigue endurance limit (19 MPa)—more than 80% of its static flexural strength (24.36 MPa) at a mean stress of 44.5% (10.85 MPa)—but this decreases to approximately 64% (14 MPa) of the static strength (22.02 MPa) at a mean stress of 37% if the distribution is nonuniform with regions of few or no fibers.
Flexural Fatigue Behavior of a Self-Compacting Ultrahigh Performance Fiber-Reinforced Concrete
Al-Azzawi, B. S. (author) / Karihaloo, B. L. (author)
2017-08-02
Article (Journal)
Electronic Resource
Unknown
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