Effect of M Sand and Demolished Concrete Aggregates as a Replacement of Natural Fine Aggregates in Mix Design

International Journal of Civil Engineering

© 2022 by SSRG - IJCE Journal

Volume 9 Issue 4

Year of Publication : 2022

Authors : Vaneeta Devi, Pranav Saraswat, Sunil Kumar, Subir Kumar Sharma, Sanjeev Suman, Sandeep Gupta

10.14445/23488352/IJCE-V9I4P103

How to Cite?

Vaneeta Devi, Pranav Saraswat, Sunil Kumar, Subir Kumar Sharma, Sanjeev Suman, Sandeep Gupta, "Effect of M Sand and Demolished Concrete Aggregates as a Replacement of Natural Fine Aggregates in Mix Design," SSRG International Journal of Civil Engineering, vol. 9,  no. 4, pp. 15-19, 2022. Crossref, https://doi.org/10.14445/23488352/IJCE-V9I4P103

Abstract:

In the present work, the mechanical properties of concrete are investigated using Demolished Concrete Aggregate (DCA) and M-sand to replace natural sand. A total of thirty samples of M20 grade concrete cast with 0%, 20%, 40%, 60%, and 100% replacement with M-sand and DCA, respectively. The mix of M20 grade concrete is derived, confirming IS codes. The results show that DCA reduces the compressive strength, tensile strength, and flexural strength of concrete, whereas all strengths increase with M-sand. In the case of DCA, a nominal 40% replacement of DCA with fine natural aggregate is permissible. This document gives formatting instructions.

Keywords:

M-sand, Demolished Concrete Aggregate (DCA), Compressive strength, Splitting tensile strength, Flexural strength.

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