Destructive And Non-Destructive Evaluation Of Replacement Of Cement By Flyash, (M40)Gr Of Concrete

International Journal of Civil Engineering

© 2019 by SSRG - IJCE Journal

Volume 6 Issue 11

Year of Publication : 2019

Authors : Srinivas jetty,Likhitha.J,shara,,Sai laxmi

10.14445/23488352/IJCE-V6I11P101

How to Cite?

Srinivas jetty,Likhitha.J,shara,,Sai laxmi, "Destructive And Non-Destructive Evaluation Of Replacement Of Cement By Flyash, (M40)Gr Of Concrete," SSRG International Journal of Civil Engineering, vol. 6,  no. 11, pp. 1-10, 2019. Crossref, https://doi.org/10.14445/23488352/IJCE-V6I11P101

Abstract:

The aim of this paper is to study the behavior of M-40 grade of concrete having mix proportion of 1:1.83:2.65 with w/c of 0.41 and to determine the compressive strength of the flyash concrete made with 0, 5, 10, 15, 20, 25, 30% [1]of cement replacement was evaluated in terms of its relation with compressive strength and workability test. Compression was made between ordinary Portland cement and flyash concrete. In this work the mechanical properties of fly ash based concrete which includes compressive strength and Non destructive testing method like Rebound Hammer [2]tests will be examined and analyzed based on the different mix proportions of cement with (0, 5, 10, 15, 20, 25, 30%) Fly ash Test result [3]indicated the strength of concrete having cement replacement up to 30 % of flyash was comparable to the normal concrete mix without flyash. In the investigation, conventional concrete and flyash based on concrete cubes of 150x150x150mm sizes[4] were used for testing the compressive strength. The cubes are tested in compressive testing machine of capacity 2000kn. Compressive strength[5] of concrete mix made with and without fly ash With different percentages determined at 7,28 days of curing. The results confirm that flyash concrete is a promising material for long term strength development. This due to fact that early age strength of flyash was lowers as compared to strength of control concrete.

Keywords:

Flyash, Compressive strength, Specific Gravity, Density, Cement concrete, Rebound Hammer.

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