P-delta analysis in Etabs
@ron12-CR0j5d
•
Oct 26, 2024
Oct 26, 2024
1.4K
Dear all,
When performing a pdelta -analysis using Etabs, when do you take into account the P-δ effect which is associated with the local deformation relative to the chord between member ends ? CSI site is suggesting to use factors in the design.
Personally, i am dividing the load combinations by 0.75 factor (factor suggested in the CSI manual Concrete frame design) (instead of inputing 1.2DL + 1.0LL, i am entering 1.6DL + 1.33LL) so the axial force will be amplified and somehow, i will get amplified forces due to the second order effect.
What is your practise ?
Regards
When performing a pdelta -analysis using Etabs, when do you take into account the P-δ effect which is associated with the local deformation relative to the chord between member ends ? CSI site is suggesting to use factors in the design.
Personally, i am dividing the load combinations by 0.75 factor (factor suggested in the CSI manual Concrete frame design) (instead of inputing 1.2DL + 1.0LL, i am entering 1.6DL + 1.33LL) so the axial force will be amplified and somehow, i will get amplified forces due to the second order effect.
What is your practise ?
Regards