Behaviour and design of crest-fixed profiled steel roof claddings under wind uplift
Mahendran, M. (1994) Behaviour and design of crest-fixed profiled steel roof claddings under wind uplift. Engineering Structures, 16(5), pp. 368-376.
Profiled steel roof claddings in Australia are commonly made of very thin high tensile steel and are crest-fixed with screw fasteners. At present the design of these claddings is entirely based on testing. In order to improve the understanding of the behaviour of these claddings under wind uplift, and thus the design methods, a detailed investigation consisting of a finite element analysis and laboratory experiments was carried out on two-span roofing assemblies of three common roofing profiles. It was found that the failure of the roof cladding system was due to a local failure (dimpling of crests/pull-through) at the fasteners. This paper presents the details of the investigation, the results and then proposes a design method based on the strength of the screwed connections, for which testing of small-scale roofing models and/or using a simple design formula is recommended.
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|Item Type:||Journal Article|
|Keywords:||Roofs, Cladding (coating), Failure analysis, Finite element method, Mathematical models, Mechanical properties, Screws, Steel, Structural analysis, Structural design, Surfaces, Wind effects|
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Deposited On:||20 Nov 2013 22:37|
|Last Modified:||11 Feb 2015 03:56|
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