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Advances in Concrete Construction Volume 3, Number 3, September 2015 , pages 187-202 DOI: https://doi.org/10.12989/acc.2015.3.3.187 |
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Characteristics of sustainable concrete incorporating recycled coarse aggregates and colloidal nano-silica |
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Bibhuti Bhusan Mukharjee and Sudhirkumar V Barai
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| Abstract | ||
| The present study addresses about the development of sustainable concrete utilizing recycled coarse aggregates manufactured form waste concrete and colloidal Nano-Silica. Experimental investigations are carried out to determine compressive and tensile strength of concrete mixes designed with recycled coarse aggregates and different percentages of Nano-Silica. Moreover, water absorption, density and volume voids of concrete mixes are also examined to ascertain the influence of Nano-Silica on behavior of recycled aggregate concrete. The outcomes of the research depict that properties of concrete mixes are significantly affected with the introduction of recycled coarse aggregates in place of the natural coarse aggregates.However, the study reveals that the depletion of behavior of recycled aggregate concrete could be restored with the incorporation of little amount (3%) of Nano-Silica. | ||
| Key Words | ||
| recycled aggregate concrete; colloidal Nano-Silica; mechanical properties; water absorption; density; volume of voids | ||
| Address | ||
| Bibhuti Bhusan Mukharjee: Department of Civil Engineering, Veer Surendra Sai University of Technology,Burla, Sambalpur, Odisha, India Sudhirkumar V Barai: Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur, India | ||
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