Influence of Lime and Marble powder Waste on the Strength Activity Index of Self Compacting Mortar and Concrete
V.C.Panchal1, G.R.Vesmawala2

1Panchal Vinod. C*, Department of Civil Engineering, Research Scholar, SVNIT, Surat, (Gujarat), India.
2Vesmawala G.R, Department of Civil Engineering, Associate professor, SVNIT, Surat, (Gujarat), India.

Manuscript received on September 13, 2020. | Revised Manuscript received on November 01, 2020. | Manuscript published on November 10, 2021. | PP: 157-162 | Volume-10 Issue-1, November 2020 | Retrieval Number: 100.1/ijitee.A81401110120| DOI: 10.35940/ijitee.A8140.1110120
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Abstract: Void free mass, congested reinforcement, reduced section, and surface finishes are the present demand in the construction sector that can be fulfilled using Self Compacting Concrete (SCC). It flows under self-weight and develops a homogeneous dense mass of concrete without external energy (Vibration). The research described in this research examined the making of SCC with readily available materials. The most crucial distinction is the presence of filler material and small aggregate size in the SCC mixture. To obtain the benefit of filler material, reduced cement content, improve workability and strength in SCC, two fillers selected from a group of natural inert by-product, limestone powder (LP), and marble powder (MP). For this purpose, mortar cube prepared as per BS 3892 with two fillers, LP and MP by 10%, 15%, and 20% of replacement with a different combination. Present work also investigates the pozzolanic and filler effect of partial replacement in mortars by strength activity index (SAI), also tried to develop the relationship between fresh SCC slump flow and V-flow spread time. The observed value in the SAI test for the sixteen samples of a mineral filler of 10%,15%, and 20% replacement compared with a normal mix, all samples have the value lower than the control mix of 80% as per BS 3892. It is due to the effect of the filler on the microstructure and the presence of superplasticizer. From these results, it is concluded that filler, LP, and MP does not contribute to pozzolanic reaction, and it is still unhydrated at the age of 28 days. 
Keywords: Lime powder, Marble powder, Self-compacting concrete, Strength activity index, Superplasticizer, Pozzolanic material.