International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 09 Issue: 05 | May 2022
p-ISSN: 2395-0072
www.irjet.net
EXPERIMENTAL STUDY ON METAKAOLIN CEMENT CONCRETE WITH ROCK SAND Suraj Bhatnagar1, Ankit Kumar2 1PG
Scholar, Radha Govind Engineering College, Meerut, India Professor, Radha Govind Engineering College, Meerut, India ------------------------------------------------------------------------***------------------------------------------------------------------------factors that contribute to these pressures include an Abstract 2Assistant
increase in the number of occurrences involving serious degradation of concrete buildings. combinations of protland cement and pozzolans are widely utilized in structural concrete to resolve these issues as well as othe environmental concerns related to the discharge of garbage industrial effluents, as well as for economic problems.
Concrete with pores may perform less when challenged to significant shrinkage and settlement rates. The goal of this research was to employ metakaolin and rock sand to improve performance by decreasing voids in concrete. Metalaolin was proven to be suitable addition to cement concrete as a supplementary cementanious agent. The properties of concrete with metakaolin are the most often used additives in concrete. Metakaolin used in cement concrete may provide economic advantages due to its fast accessibility in our nation. By weigth of cement, a substitution % of metakaolin 5%,10%, 15%, 20% and 25% was to employed. Cubes and cylinder are cast to determine the durability and strength of concrete. It was seen that ann increase in compressive strength of 47.66%, 27.80% and 47.53% were observed in 15% MK based concrete during 7,28,90 days respectively. Experimentally it was seen that an increase in split tensile strength of 41.03% ,54.90% and 58.16% in compression with control specimen was observed in 20% MK based concrete at 7,28 and 90 days period respectively.
Literature Review M. R. Chitlange et al. (2010) demonstrated the use of concrete mixer with artificial sand as a replacement for natural sand have considerably higher strength than concrete mixes with real sand. The fine boundaries of synthetic sand particles adhere comparably improving with cement than the curved particles of real sand which results in greater strength. The use of artificial sand instead of natural sand in concrete reduces excessive concrete bleeding. Hemant Chauhan et al. (2011) attempted to utilise industrial effluents such as activated Fly ash, Iron Oxide, and Metakaolin as supplemental cement-like constituents to replace cement. These mineral admixtures are used in OPC cement, the compressive strength of concrete cubes were find on the five different types of prepared concrete mixtures at 3,7,14,28 and 56 days. When 42% metakaolin was used in place of OPC, At different W/C ratios (0.40 and 0.55), it gives strength upto 40.67 N/mm, and at the 56th day, it gives strength up to 25.47 N/mm. They found that replacing 42 percentage of the cement with varying amounts of mineral mixtures such as metakaolin (10%), fly ash (30%)and iron oxide (10%) made the concrete more cost-effective (2 percentage).
Key Words: Metakaolin, Rock sand, compressive ,split tensile strength.
Introduction concrete is the most extensively utilized building material on the earth with roughly six billion tons of concrete generated in each year, it is just second to water as the most widely utilised material. this is because to the number of raw materials used in cement production, as well as the relatively low value if cement and the plasticity, flexibility of concrete in producing structural components shapes. ecological impacts, both as regards harm as consequence of co2 emissions and material extraction during cement production, have pushed against the use of supplemental materials to minimize the requirement of cement. these resources could be by products, industrial waste and materials that take less energy to produce. other
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B.B. Patil and P.D. Kumar et al (2012) experimented the durability and strength of High Performance Concrete with High Reactive Metakaolin. The High-performance concrete is a relatively new development in the concrete industry. The current study examines the attributes of M30 grade High Performance concrete with varied amount of
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