FLEXURAL PROPERTIES OF M 25 GRADE SELF COMPACTING CONCRETE USING MANUFACTURED SAND AND RECYCLED COARSE AGGREGATE

G. Gopi
Department of Civil Engineering, Jawaharlal Nehru Technological University Anantapur,Anantapuramu, India , IN

C. Sashidhar
Department of Civil Engineering, Jawaharlal Nehru Technological University Anantapur,Anantapuramu, India , IN

J. Guru Jawahar
Department of Civil Engineering, Jawaharlal Nehru Technological University Anantapur,Anantapuramu, India , IN

Keywords: SCC, RCC, MSand, RCA, two point load, fresh properties.

Abstract

Self compacting concrete (SCC) can be prepared by increasing the cementitious materials (cement + flyash) and decreasing the content of coarse aggregate. SCC find its application in congested areas where traditional concrete has higher resistance to its flowing ability hence need of SCC increased. In the present study we focused on finding the flexural behaviour of reinforced cement concrete (RCC) beams by replacing with recycled coarse aggregate (RCA) and manufactured sand (MSand). Fresh properties were conducted on the mixes. Two point load test was conducted on beams to find flexural properties namely cracking load, cracking deflection, ultimate load,ultimate deflection of the beams. The beams were cured for a period of 28, 90 days in potable water.

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