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Thanks for the reply. But my concern is that if the yield stress in the compression rebar exceed yield strength. Then if I refer ACI value, the min yield strain for grade 60 rebar is 0.002. And if the forces in the compression rebars are higher then the strain in these rebars may exceed 0.003...

Hi, I am little confused with values of the strains in the compression rebars in doubly reinforced beam. Is there any limit on the strain of the rebars. Should the stress be within yield stress or it may exceed yield stress values. If the stress in rebars exceed the yield strength, then the...

Thanks for the suggestions. I will use Spreadsheet for now. I hope in the latest versions they correct this issue.

Yes, I am expecting from the software to reduce the perimeter by the width of the opening which is 8". But it is not reducing.

Yes, the opening crosses the critical section. As the slab is 8" thick and the opening is 8"x8". It is crossing the critical section.

I have seen this in the manual. But I am confused why the software is not considering the opening just at the face of the column. As I move the opening away from the face of column around "d" distance, it starts considering the opening and reduces the punching perimeter.

I have a small opening which is at the face of the column. While calculating punching shear the software is not reducing the punching perimeter. The size of column is 24" x24". The slab is 8" thick. and the opening is 8"x8". I have attached the screenshots. Does any have idea about this...