Inquiry on Mechanical Properties of M30 Grade Concrete with Partial Replacement of Copper Slag and Dolomite Powder for Fine Aggregate and Cement
G. V. V Satyanarayana1, K. Yashwanth2

1Dr. G.V.V Satyanarayana1 Department of Civil Engineering, Gokaraju Rangraju institute of Engineering and Technology, Hyderabad, India.
2K. Yashwanth2 Department of Civil Engineering, Gokaraju Rangaraju institute of Engineering and Technology, Hyderabad, India.

Manuscript received on September 16, 2019. | Revised Manuscript received on 26 September, 2019. | Manuscript published on October 10, 2019. | PP: 4219-4223 | Volume-8 Issue-12, October 2019. | Retrieval Number: L26921081219/2019©BEIESP | DOI: 10.35940/ijitee.L2692.1081219
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Abstract: Concrete plays an important role in every construction. This paper is an experimental investigation to study the mechanical properties of the concrete with partial replacement of cement by dolomite powder and fine aggregate by copper slag. So, in this investigation, by usage of Dolomite powder in concrete on one side improves density and other side improves strength and hardness. Copper slag also increases density of concrete and toughness of concrete. The cement content replaced with dolomite and fine aggregate replaced with copper slag from 5% to 25% at regular intervals of 5%. In the designed mix proportion of M30 grade concrete is 1:2.17:2.95. The Superplasticizer Master Rheobuild 920SH of 0.5% dosage used as chemical admixture is added to the concrete to maintain 0.45 the water-cement ratio. The concrete cubes, cylinders were casted. The different mechanical properties like compressive strength, split tensile strength, flexural strength were tested after 3 days, 7 days and 28 days of curing from 5 to 25% at regular intervals of 5% replacement of cement with dolomite powder and 10% to 50% at regular intervals of 10% replacement of fine aggregate with copper slag.
Keywords: Concrete, Cement, Dolomite Powder, Fine Aggregate, Copper Slag, Compressive Strength, Split Tensile and flexural strength.
Scope of the Article: Concrete Engineering