Performance of Seismically Design Special Moment Resisting Steel Frame against Progressive Collapse as per Indian standard

Abstract

Abstract U.S. General Service Administration (GSA), 2013 guideline were used in the progressive collapse analysis of seismically designed three-dimensional special moment resistant frame. The analysis was carried out to assess the vulnerability of low-rise, mid-rise and high-rise three-dimensional special moment resistant frame with six bays in either direction. All the structures considered for this study were designed according to the Indian Standard codes. To evaluate the behaviour of the structure, linear static analysis (LSA), non-linear static analysis (NLSA), linear dynamic analysis (LDA) and non-linear dynamic analysis (NLDA) have been carried out by using Alternate Path Method (APM) for column removal at the critical locations based on these guidelines. The results show negligible displacement versus time history when compared between LDA and NLDA. It also reveals that the removal of the internal column leads to less vibration when compared to the other two locations during sudden removal. The height of the structure will largely affect the behaviour of the structure during any sudden column removal.