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IJSTR >> Volume 9 - Issue 1, January 2020 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



An Experimental Analysis For Evaluation Of Compressive Strength Of Concrete Cube By Using Foundry Sand, Silica Fume And Metakaolin As An Admixture

[Full Text]

 

AUTHOR(S)

M. Madhusudhan Reddy, Bodanapu Sony, U. Praveen Goud, K.Raja Sekhara Reddy, SS.Asadi

 

KEYWORDS

Foundry sand, Silica fume, Metakaolin, Fine aggregates, Cement, Compressive strength.

 

ABSTRACT

Due to the rapid increase in construction activities use of sand become more these days. However, the querying of sand has become more costly to the people. Due to this, the total cost of construction is getting increasing. In the present study, an investigation is done with Foundry sand waste, Silica fume and Metakaolin as an admixture. The use of admixtures becomes quite common in construction materials like Cement, Sand to replace the content of conventional material with subsequent material. The various researchers all over the world still working on experimental studies by using Flyash, Jute, GGBS, Geosynthetic material, Rice husk ash and other materials as admixtures. In the present investigation, an attempt made on M25 grade of concrete 28days compressive strength. In the first stage of the study, fine aggregates are replaced with Foundry sand. The replacement of Foundry sand increased to a maximum of 50% and from the results, it is observed that in the compressive strength of concrete 38.27 N/mm2 is the maximum strength achieved at 40% Foundry sand in the fine aggregates for 28days. And in the second stage of the study, by maintaining the same 40% replacement Foundry sand in fine aggregates, Cement content has been replaced with the Silica fume and Metakaolin with different percentage levels. And then comparative analysis was done for 28days compressive strength between 40% replaced fine aggregates with Foundry sand and Silica fume and Metakaolin content in the cement. The compressive strength results showed that the at 10% Silica fume in the cement with 40% Foundry sand in fine aggregates gives better compressive strength with respect to Metakaolin for the same 28days period.

 

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