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Technical Note
Self - compacting concrete made with partial replacement of lime stone and quarry dust powder
Deepan Rajendran, Chella Gifta Christopher, Malaiappan Sindhu Muthu
Faculty of Civil Engineering, National Engineering College, KR Nagar, Kovilpatti, Tamilnadu, India
Keywords
Abstract
Quarry dust;
Lime stone powder;
Self compactability;
Compressive strength;
Density
Self-compacting concrete is very popular in the field of concrete technology and it plays a significant role while placing the concrete in congested reinforcements. Self-compacting concrete could be produced with high fluidity and good cohesiveness, and it gets compacted by its gravitational force. This paper attempts to understand the influence of filler materials such as lime stone powder and quarry dust as a partial replacement of cement material. Self-compacting concrete was produced by partially replacing the cement by 10%, 20%, 30% Lime stone and Quarry dust powder, and their influence on fresh properties such as passing and filing ability, flowability are examined as per European Federation of National Associations Representing for Concrete (EFNARC) guidelines. Results of fresh and hardened properties exhibited replacement up to 10% lime stone and quarry dust is the optimum level, and other replacement levels produced satisfactory results. Compressive strength, water sorptivity, and density values are marginally affected by the addition of 20% and 30% replacement of these filler materials.
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