Resistance of Acid Attack on Geopolymer Concrete Developed With Partial Replacement of Course Aggregate by Recycled Aggregate
T.Srinivas1, S.P.Raju Vundi2, N. V. Ramana Rao3, Deepak Kumar Shinde4
1Dr.T.Srinivas, Professor, Department of Civil Engineering, GRIET, Hyderabad.
2Mr.S.P.Raju Vundi, Asst. Professor, Department of Civil Engineering, GRIET, Hyderabad.
3Dr.N.V.Ramana Rao, Director of NITW Professor of Civil Engineering, JNTUH, Hyderabad.
4Mr.Deepak Kumar Shinde, Student, Department of Civil Engineering, GRIET, Hyderabad.

Manuscript received on November 17., 2019. | Revised Manuscript received on November 24 2019. | Manuscript published on 30 November, 2019. | PP: 12142-12146 | Volume-8 Issue-4, November 2019. | Retrieval Number: D8120118419/2019©BEIESP | DOI: 10.35940/ijrte.D8120.118419

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Abstract: Geopolymer concrete is one of the major developments in recent years resulting in utilization of fly ash in huge quantities and eventually reducing cement consumption and ultimately reducing emission of greenhouse gases.The geopolymer concrete is produced by using activated fly ash as binder material instead of cement. Geopolymer concrete accomplishes great strength and looks similar to conventional concrete. Recycled coarse aggregate (RCA )which is coming from demolition of construction of old and existing structures has been used in this study. The durability property; acid attack resistance with partial replacement of coarse aggregate by recycled aggregate in geopolymer and conventional concrete for the different composition such as 10, 20, 30 and 40percentage for a period of 15, 45,75 and 105 days has been evaluated. From the results it was observed that in both natural and recycled aggregate of Geopolymer concrete is highly resistant to acids such as sulphuric acid and hydrochloric acid compared to conventional concrete of respective aggregates.
Keywords: Geopolymer Concrete, Recycled Aggregate, Acid attack Resistance, sulphuric acid and hydrochloric acid.
Scope of the Article: Properties and Mechanics of Concrete.