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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Modeling of RC Frame Buildings for Progressive Collapse Analysis
Author(s): Floriana Petrone, Li Shan, and Sashi K. Kunnath
Appears on pages(s): 1–13
Keywords: collapse, frame structure, modeling, reinforced concrete, simulation
Abstract:The progressive collapse analysis of reinforced concrete (RC) moment-frame buildings under extreme loads is discussedfrom the perspective of modeling issues. A threat-independent approach or the alternate path method forms the basis of thesimulations wherein the extreme event is modeled via column removal scenarios. Using a prototype RC frame building, issues andconsiderations in constitutive modeling of materials, options in modeling the structural elements and specification of gravity loadsare discussed with the goal of achieving consistent models that can be used in collapse scenarios involving successive loss of loadbearingcolumns at the lowest level of the building. The role of the floor slabs in mobilizing catenary action and influencing theprogressive collapse response is also highlighted. Finally, an energy-based approach for identifying the proximity to collapse ofregular multi-story buildings is proposed.
IJCSM, International Partner Access.
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