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Performance Evaluation of Concrete Containing Polypropylene and Recron Fiber as Additive

Journal of Scientific and Technical Research

Volume 4 Issue 2

Published: 2017
Author(s) Name: Krishna Murari, D. R. Mishra, D.K. Shukla, Birendra Jha, Jatin Talwar | Author(s) Affiliation: Jaypee University of Engineering & Technology Guna, Madhya Pradesh, India
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Abstract

In conventional concrete, micro cracks develop even before loading because of drying shrinkage and other causes of volume change. When the structures are loaded the micro cracks open up and propagate which may lead to chloride and sulphate attacks. Addition of closely spaced and uniformly dispersed fibers substantially improves the properties of concrete. These fibers offer increased resistance to crack growth, through a crack arresting mechanism and improve tensile strength and ductility of concrete. Adding excess fibers to concrete result in reduction of concrete strength. An experimental study was carried out to determine the optimum percentage of polypropylene and recron fiber that can be used with concrete to enhance the compressive and tensile strength of concrete.

Keywords: Fiber, Concrete, Polypropylene Fibers, PPF, Recron Fibers

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