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This paper presents an analysis of the progressive collapse behavior of reinforced concrete (RCC) buildings subjected to seismic forces. Progressive collapse refers to the failure of a primary structural component that initiates a chain reaction, resulting in partial or complete failure of the entire structure. In this study, a progressive collapse analysis is performed on a high-rise G+10 RCC building to determine the Material Requirement Ratio and assess the structure’s response under seismic conditions in accordance with the Group Risk Management Administration (2013) guidelines. The building models are developed and analyzed using ETABS software, employing the time history analysis approach. To simulate progressive failure, specific columns are strategically removed to evaluate load redistribution and overall stability. Seismic parameters are derived using the Bhuj earthquake data, and the structure’s resonant frequency, storey drift, pressure distribution, and displacement before and after component removal are examined. The analysis helps in evaluating the structural performance and resilience of RCC buildings against progressive collapse under seismic loading.

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Progressive Collapse Analysis and Design of the Tall Structure with Outrigger System in a Seismic Zone Using Response Spectrum Method

  • 会议论文

  • 发表日期：

    2026年

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  • Banavath Chandrakanth Naik,
  • Jagdish Chand

摘要

This paper presents an analysis of the progressive collapse behavior of reinforced concrete (RCC) buildings subjected to seismic forces. Progressive collapse refers to the failure of a primary structural component that initiates a chain reaction, resulting in partial or complete failure of the entire structure. In this study, a progressive collapse analysis is performed on a high-rise G+10 RCC building to determine the Material Requirement Ratio and assess the structure’s response under seismic conditions in accordance with the Group Risk Management Administration (2013) guidelines. The building models are developed and analyzed using ETABS software, employing the time history analysis approach. To simulate progressive failure, specific columns are strategically removed to evaluate load redistribution and overall stability. Seismic parameters are derived using the Bhuj earthquake data, and the structure’s resonant frequency, storey drift, pressure distribution, and displacement before and after component removal are examined. The analysis helps in evaluating the structural performance and resilience of RCC buildings against progressive collapse under seismic loading.