Other Links

Indexed By

    •

Volume 13 Issue 2 - April 2019

  • 1. Analysis of reinforced concrete building under progressive collapse

    Authors : A. Naga Lakshmi, Middelasravanthi, Vemulasai Kumar

    Pages : 1-8

    DOI : http://dx.doi.org/10.21172/1.132.01

    Keywords : Linear static analysis; Non-linear static analysis; GSA Guidelines; DCR values; Reinforced Concrete Beam; Reinforced Concrete Column; Etabs

    Abstract :

    Progressive collapse is a chain reaction of failures propagating throughout a portion of the structure disproportionate to the original local failure occurring when a sudden loss of a critical load‐bearing element initiates a structural element failure, eventually resulting in partial or full collapse of the structure. General Services Administration (GSA) provides the guidelines for progressive collapse analysis. The focus of the project is to study progressive collapse behavior of building. In this project it is proposed to carry out progressive collapse analysis of 15 storey RC framed building by removing columns from different positions one at a time as per the GSA guidelines. Loads are applied as per GSA guidelines. As per GSA guidelines, the columns are removed at different positions one case at a time namely corner column, exterior column and interior column at ground floor. For all three cases both linear and non-linear analysis is done. In a linear static analysis for all beams DCR values for flexure are greater than two which shows that they are going to fail under sudden column loss conditions. These beams need to be redesigned to improve reinforcement to arrest the progressive collapse. It is observed that the shear in beams is not critical in any case. But by linear static and non-linear static analysis, it is observed that the beams are going to fail in flexure. In non-linear static analysis for a corner, exterior and interior removal case, the building carries a maximum base shear were observed. It shows that the most dangerous case is interior column removal case and least dangerous is corner column removal case.

    Citing this Journal Article :

    A. Naga Lakshmi, Middelasravanthi, Vemulasai Kumar, "Analysis of reinforced concrete building under progressive collapse", Volume 13 Issue 2 - April 2019, 1-8

    Click here to Submit Copyright Takedown Notice for this article.

    View Paper