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area of rebar.

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salah0

salah0

Structural
Jul 27, 2011
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DZ
i am using sap2000.
i want to know why SAP2000 design concrete columns with too high area of rebar?
the same section cheked with less area rebar is ok.
 
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i think it's due to the p-delta effect. the added value for calculation of design biaxial moment and axial force make the value of rebar area too high.
 
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