How is a progressive-collapse analysis performed in which a column is removed to evaluate dynamic response?
Dear Ali Kifah Kadhum
please read this paper, you will understand the concept of proressive collpse:
Article Progressive Sidesway Collapse Analysis of Steel Moment-Resis...
Progressive collapse may be modeled using SAP2000 or ETABS in the sense that certain members may be removed to study the effect on the structure.
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