An Experimental Investigation on the Properties of Concrete by Replacement of Fine Aggregate with Copper Slag

Author(s):

Morampudi Rahul , Andhra University College of Engineering (A), Visakhapatnam,Andhra Pradesh, India; Korrapati Anil Kumar, Andhra University College of Engineering (A), Visakhapatnam,Andhra Pradesh, India; Dr. Shaik Yajdani, Andhra University College of Engineering (A), Visakhapatnam,Andhra Pradesh, India

Keywords:

Copper Slag, Concrete, Compressive Strength, Flexural Strength, Fine Aggregate, Replacement, Split Tensile Strength, Workability

Abstract:

Natural resources are depleting Worldwide while at the same time the generated wastes from the industry are increasing substantially. Disposal of these waste materials has become a challenge in present era. Waste management strategies are developed to utilize these wastes in construction. Some of the industrial by-products have been used in construction industry for the production of concrete. Copper slag is one of the waste material which can be used in construction industry as partial replacement of fine aggregates i.e., (river sand). This paper presents the experimental work carried out by replacing fine aggregate with Copper slag. M20 and M35 grades of Concrete were used as reference mixes. The fine aggregate (sand) was replaced with percentages 0% (for conventional concrete mixture), 10%,20%, 30%, 40%,50% of Copper slag by weight and tests were conducted on the properties of fresh and hardened concrete. Slump-cone test, Compaction factor test and Vee Bee Consistometer tests were performed to evaluate the workability characteristics of fresh Concrete. Compressive strength, flexural strength and split tensile strength were determined at the age of 7,28,56,91 days respectively. The results indicate that workability increases with increase in Copper Slag percentage which is due to the low water absorption capacity of copper slag. As the percentage of replacement of fine aggregate with copper slag increases, the compressive strength increases up to 40% replacement. There is also a similar increase in the Split tensile strength and flexural strength of Concrete.

Other Details:

Manuscript Id	:	IJSTEV4I3016
Published in	:	Volume : 4, Issue : 3
Publication Date	:	01/10/2017
Page(s)	:	45-53

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