Investigation of Parameters Affecting the Equivalent Yield Curvature of Reinforced Concrete Columns.

For the further axial load levels, the curvature showed a decreasing trend, since the concrete crushing in the extreme compression fiber governed the yield condition.

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Their study also indicated that the while yield curvature had an increasing trend with the amount of longitudinal reinforcement, the yield curvature decreased with the concrete strength, regardless of the yielding condition.

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