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Strength and ductility of rubberized concrete beams with micro-reinforcement

  • R. KarthikeyanEmail author
  • P. N. Raghunath
  • K. Suguna
Original Paper
  • 9 Downloads

Abstract

A laboratory study has been conducted on R.C beams with coarse aggregate replaced by pretreated supplementary aggregates and micro-reinforcement included. For this investigation, seven full-scale beams of length 3 m and having a size of 150 mm × 250 mm were fabricated and tested for their strength and ductility. One beam was treated as reference specimen. Remaining six beams were fabricated with pretreated supplementary aggregates and micro-reinforcement. Content of rubber shreds and quantum of micro-reinforcement were considered as the primary variable. The fabricated specimens were tested under monotonic loading until failure. It is evident from test that inclusion of pretreated supplementary aggregates and micro-reinforcement adds the strength and ductility of R.C beams.

Keywords

Ductility Supplementary aggregates Micro-reinforcement Normal strength concrete Rubber shreds Energy absorption 

Notes

Acknowledgements

I gratefully acknowledge the authorities of Annamalai University for granting necessary permission to work on the research topic and extending facilities for casting and testing in the department of civil and structural Engineering, Annamalai University.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Civil and Structural EngineeringAnnamalai UniversityChidambaramIndia

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