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|Title:||Ultimate behaviour of composite floor slabs at ambient and elevated temperature|
|Keywords:||Ultimate behaviour;Composite floor slabs;Building fires|
|Citation:||Fire Technology, 46:1, 67-89, 2010|
|Abstract:||This paper is concerned with the ultimate behaviour of composite floor slabs under extreme loading situations resembling those occurring during severe building fires. The study focuses on the failure state associated with rupture of the reinforcement in idealised slab elements, which become lightly reinforced in a fire situation due to the early loss of the steel deck. The paper summarises recent studies carried out in order to provide a fundamental approach for assessing the failure limit associated with reinforcement fracture in lightly reinforced beams, representing idealised slab strips. In addition, preliminary results from the first phase of ambient tests on isolated strips are outlined and the main conclusions are discussed. Following the completion of subsequent stages of experiments involving full slab members, this work will enable validation of detailed numerical models which will be used for developing simplified design-oriented guidance.|
|Appears in Collections:||Dept of Mechanical Aerospace and Civil Engineering Research Papers|
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