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Experimental Study on Compressive Strength of Concrete in M30 Grade Utilizing Novel Pumice with 30% Silica Fume and Metakaolin Comparing with Conventional Concrete

Balasubramani Ravi and Lakshmi Thangasamy

Abstract

Aim: The purpose is to contrast traditional concrete with lightweight concrete, which is created by utilizing a mixture of M30 grade of concrete and using pumice aggregate in place of coarse aggregate to some extent.
Method: For this investigation, two groups totaling 18 samples were created. All groups were prepared at the composition of 60% cement and replacing 30% silica fume, 10% metakaolin is kept constant in this concrete. M-sand was utilized as the fine aggregate, while novel pumice stone was employed as the coarse aggregate. Metakaolin and silica fume are procured from scientific company and pumice are arranged from online traders.
Results: The group of 18 cubes was formed according to the 28 days of curing period. To determine the compressive strength, a total of 36 cubes were manufactured in two groups. A t-test on an independent sample yielded p = 0.118, which is higher than p = 0.05. Represents group statistics of 30% silica fume and 10% of metakaolin and novel pumice stone as coarse aggregate. Mean (34.3311, 37.6489), standard deviation (1.65492, 2.30843), and standard error mean (0.39007, 0.54410). The result of a 28-day test for compressive strength on concrete of grade M30 is 34.33 N/mm2, on average. The average result for group 1 and 18 cubes for the M30 28 days of concrete: Concrete grade with novel pumice stone and partial replacement of silica fume and metakaolin by the weight of cement is 37.65 N/mm2.
Conclusion: Compressive M30 grade concrete’s strength after 28 days of testing of concrete with novel pumice stone and partial replacement of silica fume and metakaolin by the weight of cement is an increase in the percentage of 9.67% over the conventional concrete. It performs and produces better results than conventional concrete.

Published on: October 26, 2023
doi: 10.17756/nwj.2023-s3-109
Citation: Ravi B, Thangasamy L. 2023. Experimental Study on Compressive Strength of Concrete in M30 Grade Utilizing Novel Pumice with 30% Silica Fume and Metakaolin Comparing with Conventional Concrete. NanoWorld J 9(S3): S600-S604.

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