Abstract
Abstract This investigation examines the Flexural behaviour of reinforced concrete hollow beams under a gradually applied two-point load. The deflection at the ultimate stage is experimentally examined and compared with RC hollow beams. And we are concentrating material optimization by introduction of hollow portion using PVC pipe and GI pipe at tension zone in RC control beams. This experimental investigation includes casting and testing of five reinforced concrete beams having a size of 1200 × 150 × 200 mm with and without hollow portion at tension zone. The behaviour of the beam is with respect to first crack load, ultimate loads, load-deflection behaviour and crack pattern.
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