Enhancing the Compressive Strength of M30 Grade of Concrete Using Pumice With 50% GGBS and Metakaolin Comparing with Conventional Concrete

Project Guide, Corresponding Author, Department of Civil Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India. Pincode: 602105

^* Corresponding author samrajgopal@outlook.com

Abstract

The aim is to compare the conventional concrete by employing a mix of M30 grade concrete, a novel pumice aggregate is used to partially replace the coarse aggregate to create lightweight concrete. All groups were prepared at the composition of 40% Cement and replacing 50% GGBS, 10% Metakaolin is kept constant in our concrete. Coarse aggregate replaced by novel pumice stone and M-sand as Fine aggregate. The group of 6 cubes was formed according to the curing dates of 28 days. Metakaolin and GGBS are procured from Scientific Company and Novel Pumice Aggregate are arranged from online traders. Cement and M sand were arranged from the local shop. The group of 18 cubes was formed according to the Curing date for 28 days. To determine the compressive strength, two groups and a total of 36 cubes were constructed. The average compressive strength test result for conventional concrete of grade M30 at 28 days is 30.28 N/mm2. The average result for Group I and for 18 cubes for the M30 grade of concrete @ 28 days Compressive Strength test result of Concrete with Novel Pumice Aggregate stone and Partial Replacement of GGBS and Metakaolin by the weight of cement is 35.19 N/mm2. From the independent t-test analysis p=0.000, i.e., smaller than p=0.05(p<0.05) which indicates that there is a noteworthy statistical distinction between the two groups. The compressive strength of concrete of M30 grade at 28 days of compressive strength test results of concrete with new pumice aggregate stone and partial replacement of GGBS and Metakaolin by the weight of cement is increased.