STUDY OF PROGRESSIVE COLLAPSE ANALYSIS OF A STRUCTURE BY LINEAR STATIC METHOD USING ETAB

Structural Engineering, Civil Engineering

ABSTRACT Progressive collapse is one of the most devastating types of building failures, most often leading to costly damages and possible loss of life. To study the effect of failure of columns on the entire structure, Plan irregularity and mass irregularity of building is considered. The progressive collapse analysis and modelling of the building is done using ETAB. Linear static analysis is performed to understand progressive collapse. In the present study the demand capacity ratio (DCR) of reinforced concrete structure of plan irregularity and mass irregularity of building are evaluated as per U.S. General Services Administration (GSA) guidelines. The structure is in “L” and “Y” shape and consists of 12 storeys size as 5m in both X and Y direction. Height of floor is taken as 3m. Many Cases considered by removing columns at different location of the building for study. We got the result as The Y shape structures are more stable than L shape structure.

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