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Dharmemdra Kumar
Hemant Kumar Sain
Keywords:
Multi Story Building, High Rise Building, Structures, Belt Wall, Progressive Collapse.
Abstract:
Progressive collapse is a critical structural safety concern in multi-story buildings, in which localized damage or failure of a structural member can trigger a disproportionate sequence of failures and potentially lead to partial or complete structural collapse. Such failures may result from accidental or extreme events, including explosions, vehicle impacts, fire, construction-related incidents, or unexpected loss of load-bearing members. Therefore, assessing the ability of multi-story structures to withstand localized damage and developing effective mitigation measures are essential for improving structural robustness and resilience. The present study investigates the progressive collapse behaviour of a G+14 reinforced concrete building under different column removal scenarios using ETABS. The structural response of the building is evaluated by considering localized column loss at critical locations and examining the resulting changes in structural behaviour. Key response parameters, including displacement, internal forces, load redistribution, and overall structural stability, are considered to assess the vulnerability of the structure to progressive collapse. In addition, the study examines the implementation of belt walls as a structural strengthening and mitigation system and evaluates their influence on the response of the building following column removal. A comparative assessment of the structural behaviour of the building with and without belt wall implementation is carried out to determine the effectiveness of the proposed system in reducing the adverse effects associated with localized column failure. The study provides insights into load redistribution mechanisms and the role of belt wall systems in enhancing structural integrity and resistance to progressive collapse. The findings are intended to contribute to the development of safer and more resilient multi-story reinforced concrete buildings and to support the application of practical progressive-collapse mitigation strategies in structural design.
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International Journal of Recent Research and Review
ISSN: 2277-8322
Vol. XIX, Issue 3
September 2026
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PUBLISHED
September 2026
ISSUE
Vol. XIX, Issue 3
SECTION
Articles
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