Downloading: Influence on Compressive Stregnth of Concrete on Addition of Micro Alumina Particles to Cement
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Influence on Compressive Stregnth of Concrete on Addition of Micro Alumina Particles to Cement

Vishnu Chakravarty, Pukhraj Sahu

Abstract: In this experimental work, micro Alumina particles have been mixed in M 25 grade concrete with various percentage (by weight of cement) to know the effect of micro Alumina particles on compressive strength of concrete. The percentages of micro Alumina particles range from 0 % to 15 % with an increment of 1 %. For each sample three specimens were casted and tested for 7 days compressive strength and three specimens were casted and tested for 28 days compressive strength. The compressive strength test has been conducted after 7 days curing and 28 days curing. The specimens containing 4 % of micro Alumina particles showed peak average compressive strength of 22.6N/mm at 7 days age, which was 13 % higher than average compressive strength of controlled specimens at 7 days age. The specimens containing 12 % of micro Alumina particle showed peak average compressive strength of 40.51N/mm at 28 days age, which was 22.79 % higher than average compressive strength of controlled specimens at 28 days.

Keywords: Micro Alumina, Concrete, Cement, Compressive Strength



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