Tests of Mechanical Characteristics of Steel Fiber Reinforced Concrete Wall-Beams Simply Supported

Su Qi; Song Bai Jiang; Nian Liu; Wei Wu

doi:10.4028/www.scientific.net/AMR.446-449.3355

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449Tests of Mechanical Characteristics of Steel Fiber...

Tests of Mechanical Characteristics of Steel Fiber Reinforced Concrete Wall-Beams Simply Supported

Abstract:

The characteristics of crack load, failure load, crack and deflection of steel fiber reinforced concrete wall-beams simply supported have been studied though the tests of 12 steel fiber reinforced concrete wall-beams simply supported specimens. The upper steel of joists changing from tensile reinforcement to compressive reinforcement, neutral axis moving from joists to walls and phenomenon of stress redistribution in wall-beams with the increase of external load have been found; the optimum mixing amount of steel fiber has been determine and the increase rate of crack load and failure load comparing steel fiber reinforced concrete wall-beams simply supported with ordinary ones has been raised. It is good for the practical constructions application that steel fiber increases the ductility of simply supported wall-beams.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

3355-3359

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.3355

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Online since:

January 2012

Authors:

Su Qi, Song Bai Jiang, Nian Liu, Wei Wu

Keywords:

Load, Simply Supported Wall-Beam, Steel Fiber (SF), Strain, Test

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References

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