Experimental Study on Flexural Toughness Characteristic of Polyvinyl Alcohol (PVA) Fiber Reinforced Concrete

Jun Su; Jian Ping Liu; Ming Chen

doi:10.4028/www.scientific.net/AMM.744-746.1422

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 744-746Experimental Study on Flexural Toughness...

Experimental Study on Flexural Toughness Characteristic of Polyvinyl Alcohol (PVA) Fiber Reinforced Concrete

Abstract:

In order to study the flexural toughness of PVA fiber reinforced concrete, employ the volume mixing ratio is 0.2%, 0.1%, 0.08%, polyvinyl alcohol (PVA) will be mixed with ordinary C40 concrete to form PVA fibers reinforced concrete. Its flexural toughness properties were tested and the load-deflection curve of all beams is obtained. Based on the ASTM method, the flexural toughness of PVA fiber reinforced concrete is analyzed. The experimental results indicate that the PVA fiber can improve the flexural toughness and the deformation ability of concrete beams remarkably. When the fiber volume ratio is 0.1%, the flexural toughness index I₅ and I₁₀ of concrete with PVA fiber are 3.73 and 6.23 times higher than that of the plain concrete respectively. The failure mode of PVA fiber concrete is changed from brittle to ductile fracture.

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Periodical:

Applied Mechanics and Materials (Volumes 744-746)

Pages:

1422-1426

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.744-746.1422

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Online since:

March 2015

Authors:

Jun Su*, Jian Ping Liu, Ming Chen

Keywords:

Concrete, Flexural Toughness, PVA Fiber

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References

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