Ultimate Moment Capacity of Polypropylene Fibers Reinforced Concrete Beams

Authors

  • Prof. S. Arivalagan Proffessor & HOD Dr.M.G.R University Maduravoyal Chennai-95

Keywords:

Polypropylene fibers, reinforced concrete beams, plain concrete beams, flexural strength, crack

Abstract

The flexural behavior of polypropylene fiber reinforced concrete, plain concrete beams with and without reinforcement was investigated. The reinforcement, volume ratio of polypropylene fiber and surface type of polypropylene fiber kept constant for all the beams. All beams had the same dimensions and tested under two point loads. The results showed that polypropylene fibers were effective in reducing the crack width and crack propagation. The results also showed that while polypropylene fibers had only slight effect on the beam stiffness, combining polypropylene fibers, and reinforcement improved the behavior of reinforced concrete beams and changed its failure mode. Also from the results it was observed that introduction of polypropylene fiber significantly improves the cracking behavior. However, only marginal improvement was observed in the case of ultimate load.Keywords: Polypropylene fibers, reinforced concrete beams, plain concrete beams, flexural strength, crack

Author Biography

  • Prof. S. Arivalagan, Proffessor & HOD Dr.M.G.R University Maduravoyal Chennai-95
    Professor & HOD

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Published

2012-01-05

Issue

Vol. 1 No. 2 (2011)

Section

Research Articles

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