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Investigation on Flexure Test of Composite Beam of Repair Materials and Substrate Concrete for Durable Repair

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Abstract

An experimental study was conducted on composite beam of repair materials and substrate concrete to investigate the failures of concrete repair due to differences in strength of repair materials and substrate concrete. In this investigation the flexural strength, load–deflection curves and failure patterns of the composite beam specimens are studied for the durability of the concrete repair. Flexure test was conducted to simulate tensile stress in the concrete repair material. Compressive strength and split tensile strength of the repair materials and substrate concrete are investigated to aid in the analysis of the concrete repair. It was observed that the repair materials of higher compressive strength than the substrate concrete are causing an incompatible failure in the concrete repair.

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Acknowledgments

The authors would like to acknowledge South Carolina Department of Transportation (SCDOT), USA for sponsoring the research project on rapid set patching materials, and also to Master Builders Inc., Quikrete Company, W.R. Meadows, and Bonsal American, for supplying their products to do the experiments.

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Authors and Affiliations

  1. Department of ASCEE, CAET, Odisha University of Agriculture and Technology, Bhubaneswar, 751003, Odisha, India

    Rashmi R. Pattnaik

  2. Glenn Department of Civil Engineering, Clemson University, Clemson, SC, 29634-0911, USA

    Prasada Rao Rangaraju

Authors
  1. Rashmi R. Pattnaik
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  2. Prasada Rao Rangaraju
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Correspondence to Rashmi R. Pattnaik.

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Pattnaik, R.R., Rangaraju, P.R. Investigation on Flexure Test of Composite Beam of Repair Materials and Substrate Concrete for Durable Repair. J. Inst. Eng. India Ser. A 95, 203–209 (2014). https://doi.org/10.1007/s40030-014-0096-5

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  • DOI: https://doi.org/10.1007/s40030-014-0096-5

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