Abstract

The roof lateral displacement for RC frames is very significant parameter in performance basedengineering and should be within acceptable limits as per the requirement of different performancelevels. Data obtained from the time history dynamic analysis for a series of gravity load designed(GLD) RC frame was used as input data in a statistical program called SPSS 16.0, and a statisticalanalysis was done and a power equations was proposed to estimate the roof lateral displacement forthe GLD RC frames. Three equations were proposed for estimating the roof lateral displacement.The first one is for the bare frame models, the second is for infilled frame models and the third is forinfilled frame with open ground story. The equations for estimating the roof lateral displacement forGLD frames with different type of infill (bare, infilled and open ground story models) are proved tobe acceptable accuracy and they can be used to estimate the roof lateral displacement for GLD RCframes if they meet the conditions set out.

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