Mitigating progressive collapse of RC buildings with shear walls and flat slab system. Yagob, O., Galal, K., & Naumoski, N. In volume 2, pages 1802 - 1814, Montreal, QC, Canada, 2013. Commercial building;Industrial facilities;Initiating events;Load-bearing elements;Progressive collapse;Progressive failure;Structural component;Structural performance;abstract bibtex Recently, due to the increasing number of attacks on embassies, commercial buildings and industrial facilities, considerable attention has been focused on the consequences of blast loads on RC building structures. One of the major consequences of bomb attacks, from the perspective of structural performance, is the possibility of a progressive collapse resulting in significant life and monetary losses, where key element failure is normally the primary cause of such progressive failure in RC building structures. In fact, ground columns of RC buildings are the key load-bearing elements in these structures, as these load paths are the most vulnerable to terrorist attacks. In many attack events worldwide, the damage to the ground columns of RC building structures proliferated into a failure disproportionate to the local damage caused by the initiating event, which accordingly led to partial or total collapse of the attacked structure. This study focuses on the effect of losing one of the ground columns in a 5-storey RC shear wall building with flat slab system satisfying the current NBCC code, where flat slabs are the building's sole defense against propagating collapse. Based on the obtained results, this study introduces technical modifications in the design and reinforcement detailing of RC slab components designed in accordance with the NBCC 2005. These modifications are mainly intended to increase the load-carrying capacity of the slab components that are affected by column loss scenarios by providing alternate load paths to these structural components in case primary load paths are lost.
@inproceedings{20153101097783 ,
language = {English},
copyright = {Compilation and indexing terms, Copyright 2023 Elsevier Inc.},
copyright = {Compendex},
title = {Mitigating progressive collapse of RC buildings with shear walls and flat slab system},
journal = {Proceedings, Annual Conference - Canadian Society for Civil Engineering},
author = {Yagob, Omer and Galal, Khaled and Naumoski, Nove},
volume = {2},
number = {January},
year = {2013},
pages = {1802 - 1814},
address = {Montreal, QC, Canada},
abstract = {Recently, due to the increasing number of attacks on embassies, commercial buildings and industrial facilities, considerable attention has been focused on the consequences of blast loads on RC building structures. One of the major consequences of bomb attacks, from the perspective of structural performance, is the possibility of a progressive collapse resulting in significant life and monetary losses, where key element failure is normally the primary cause of such progressive failure in RC building structures. In fact, ground columns of RC buildings are the key load-bearing elements in these structures, as these load paths are the most vulnerable to terrorist attacks. In many attack events worldwide, the damage to the ground columns of RC building structures proliferated into a failure disproportionate to the local damage caused by the initiating event, which accordingly led to partial or total collapse of the attacked structure. This study focuses on the effect of losing one of the ground columns in a 5-storey RC shear wall building with flat slab system satisfying the current NBCC code, where flat slabs are the building's sole defense against propagating collapse. Based on the obtained results, this study introduces technical modifications in the design and reinforcement detailing of RC slab components designed in accordance with the NBCC 2005. These modifications are mainly intended to increase the load-carrying capacity of the slab components that are affected by column loss scenarios by providing alternate load paths to these structural components in case primary load paths are lost.<br/>},
key = {Shear flow},
keywords = {Terrorism;Office buildings;Structural analysis;Structural dynamics;},
note = {Commercial building;Industrial facilities;Initiating events;Load-bearing elements;Progressive collapse;Progressive failure;Structural component;Structural performance;},
}
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