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Advances in Concrete Construction
  Volume 10, Number 2, August 2020 , pages 127-140

Influence of granite waste aggregate on properties of binary blend self-compacting concrete
Abhishek Jain, Rajesh Gupta and Sandeep Chaudhary

    This study explores the feasibility of granite waste aggregate (GWA) as a partial replacement of natural fine aggregate (NFA) in binary blend self-compacting concrete (SCC) prepared with fly ash. Total of nine SCC mixtures were prepared wherein one was Ordinary Portland cement (OPC) based control SCC mixture and remaining were fly ash based binary blend SCC mixtures which included the various percentages of GWA. Fresh properties tests such as slump flow, T500, Vfunnel, J-ring, L-box, U-box, segregation resistance, bleeding, fresh density, and loss of slump flow (with time) were conducted. Compressive strength and percentage of permeable voids were evaluated in the hardened state. All the SCC mixtures exhibited sufficient flowability, passing ability, and resistance to segregation. Besides, all the binary blend SCC mixtures exhibited lower fresh density and bleeding, and better residual slump (up to 50% of GWA) compared to the OPC based control SCC mixture. Binary blend SCC mixture incorporating up to 40% GWA provided higher compressive strength than binary blend control SCC mixture. The findings of this study encourage the utilization of GWA in the development of binary blend SCC mixtures with satisfactory workability characteristics as a replacement of NFA.
Key Words
    fly ash; granite waste aggregate; self-compacting concrete; fresh properties; bleeding; loss in slump flow; compressive strength
Abhishek Jain, Rajesh Gupta: Department of Civil Engineering, Malaviya National Institute of Technology, Jaipur, Rajasthan, India
Sandeep Chaudhary: Discipline of Civil Engineering, Indian Institute of Technology Indore, Simrol, Indore 453552, India

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