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PM interaction diagram in SAP2000

Thread starter RK Sriwastav
Start date Apr 8, 2022

Status: Not open for further replies.

Apr 8, 2022

RK Sriwastav

Civil/Environmental

SAP2000 gives two different interaction surfaces for a member cross-section. First one says, i) Caltrans interaction surface and second one is ii) interaction surface (which is based on design codes). Why are they significantly different ? I have attached a sample plots for review.

RK Sriwastav

https://files.engineering.com/getfile.aspx?folder=7e0c48b9-a2d2-4a68-b90a-49fa05a5d3ac&file=SAP2000_Interaction_surface.docx