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Suggesting Deflection Expressions for RC Beams

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Document pages: 16 pages

Abstract: This experimental work aims at presenting load-deflection expressions for the concrete beams that reinforced with three different reinforcement ratios of ACI 318-14, which are minimum, maximum and the average of them. Three groups of beams were cast, each group contained three beam specimens. Three types of loading are used, 1-concentrated force, 2-concentrated forces and partial uniformly distributed load. It is also seen that, when reinforcing ratio increases from minimum to maximum, in case of 1-concentrated force, ultimate capacity increases by about 280 and deflection decreases by about 33 , respectively. Whereas, in case of 2-concentrated forces, ultimate capacity increases by about 258 and deflection decreases by about 50 , respectively. Finally, in case of uniformly distributed load, ultimate capacity increases by about 289 and deflection decreases by about 28 , respectively.

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