Here is a valuable discussion on the same topic:
communities.bentley.com/.../275037
Also, a good TechNote about the Pushover Analysis in STAAD.Pro:
communities.bentley.com/.../3800.pushover-analysis-of-steel-structure-using-staad-tn
communities.bentley.com/.../275037
Also, a good TechNote about the Pushover Analysis in STAAD.Pro:
communities.bentley.com/.../3800.pushover-analysis-of-steel-structure-using-staad-tn