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BS PD ISO/TR 24679-4:2017 Fire safety engineering. Performance of structures in fire. Example of a fifteen-storey steel-framed office building
standard by BSI Group, 09/19/2017
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Full Description
BS PD ISO/TR 24679-4:2017 provides a fire engineering application relative to the fire resistance assessment of afifteen-storey steel framed building following the methodology given in ISO 24679-1. This documentdescribes the adopted process which follows the same step by step procedure as that provided inISO 24679-1. The annexes of this document present the detailed assessment results obtained for themost severe fire scenarios on the basis of the outcome of this specific fire safety engineering procedurefor the building.The fire safety engineering applied in this example to the office building with respect to its fireresistance considers specific design fire scenarios as well as the corresponding fire development.It takes into account fully-developed compartment fires. In realistic situations, activation of firesuppression systems and/or intervention of fire brigade are expected, but their beneficial effects arenot taken into account. It should be noted that these severe fire scenarios have been selected for fireresistance purposes.
Global structural behaviour is not explicitly considered, but implicitly included in the calculationformulae. Since the building of the example is located in a seismic region, principal structural elementsare rigidly connected to each other. Load redistribution from heated elements to cold surroundingelements exists, but it's not taken into account in the design calculations. By this approach, design isconservative, while the process of safety checking is greatly simplified and clear. As a result, all thecalculations were carried out by explicit algebraic formulae.
Cross References:
ISO 13943:2008
ISO 23932:2009 Ed 1
ISO 834-1:1999/AMD 1:2012
ISO 24679-1
All current amendments available at time of purchase are included with the purchase of this document.