AN EXPERIMENTAL STUDY ON THE USE OF DISCARDED GRANITE STONES IN CONCRETE AS PARTIAL REPLACEMENT OF COARSE AGGREGATES
Author(s):
SAMUEL GNANIAH
Keywords:
Granite, Orthoclase and Monocline, Ferro-magnesium minerals, Quartz, Alkali, Feldspar, compressive strength, Flexural strength
Abstract
Granite is the most important building stone because it is hardest, most durable naturally available construction material and has great ornamental value. Granite fines which are the byproduct produced in granite factories while cutting huge granite rocks to the desired shapes. It is extensively used in Civil Engineering projects, because of having the following main properties that it is a coarse grained rock, composed of Quartz, Alkali, Feldspar (Orthoclase and Monocline) and small amount of Biotite and Hornblende or both. The average Granite contains 30% Quartz and 10% Ferro-magnesium minerals. Normally the Granite is in light color with a white or pink tint according to the color of Feldspar. It can take fine polish and is the strongest stone amongst all the varieties of available building stones. More production equals more discarded, more discarded creates environmental concerns of toxic threat. An economically viable solution to this problem should include utilization of waste materials for new products which in turn minimize the heavy burden on the nation’s landfills. The construction industry can start being aware of and take advantage of the benefits of using discarded materials. In this study a questionnaire survey targeting experts from construction industry is to be conducted in order to investigate the current practices of the uses of waste in the construction industry. In this paper an attempt is made experimentally to investigate the Strength Behavior of Concrete with the use of Granite stones as replacement aggregates. Concrete is organized with granite stones as replacement of coarse aggregates in altered quantities namely 10%, 20%, 30%, 40%, 50% and 100% and various tests such as compressive strength and Flexural strength were investigated and these values were compared with the conventional concrete without granite stones. Results revealed that, granite stones showed high strength results, economically viable and can be replaced at 100% with conventional coarse aggregates undoubtedly.
Article Details
Unique Paper ID: 146483

Publication Volume & Issue: Volume 4, Issue 12

Page(s): 877 - 881
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