Investigational Study to Relate Number of Blows and Impact Strength of Concrete having Partial Replacement of Natural Sand by manufactured Sand and Cement by Pozzolanic Materials With Respect to Final Crack in Specimens
Author(s):
Deepika M. Desai, P. S. Pise
Keywords:
Pozzolanic materials, manufactured sand, Impact strength.
Abstract
Due to its exceptional strength and durability, concrete is the primary extensively utilized building material in today’s civil construction. The widespread usage of cement and Natural Fine Aggregate in civil engineering has resulted in a variety of negative social and environmental effects. To address this, industrial residues referred to as by-products (pozzolanic materials) like silica fume, GGBFS, fly ash, metakaolin has been utilized in place of cement in certain instances. In contrast, fine natural aggregate has been substituted with manufactured sand (M-sand). NFA is replaced with M-sand varying from 0 to 100 % in steps of 10 %, and 20 % cement is substituted with pozzolanic materials. The ratio of water to cement has been maintained at 0.45, and the quantities of M30 concrete have been taken into account in accordance with I.S. 10262:2019 guidelines. Impact strengths have been computed for various concrete mix proportions. The purpose of this study is to investigate and analyze the relationship between the number of blows and impact strength of concrete made with a portion of natural sand replaced by artificially manufactured sand and a portion of cement replaced by pozzolanic materials in reference to the occurrence of the final crack in the test specimens.
Article Details
Unique Paper ID: 153572

Publication Volume & Issue: Volume 8, Issue 8

Page(s): 27 - 35
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