Pull-out strength of steel roof and wall cladding systems
Mahendran, M. & Tang, R.B. (1998) Pull-out strength of steel roof and wall cladding systems. Journal of Structural Engineering, 124(10), pp. 1192-1201.
When steel roof and wall cladding systems are subjected to wind uplift/suction forces, local pull-through/dimpling failures or pull-out failures occur prematurely at their screwed connections. During extreme wind events such as storms and hurricanes, these localized failures then lead to severe damage to buildings and their contents. An investigation was therefore carried out to study the failure that occurs when the screw fastener pulls out of the steel battens, purlins, or girts. Both two-span cladding tests and small-scale tests were conducted using a range of commonly used screw fasteners and steel battens, purlins, and girts. Experimental results showed that the current design formula may not be suitable unless a reduced capacity factor of 0.4 is used. Therefore, an improved design formula has been developed for pull-out failures in steel cladding systems. The formula takes into account thickness and ultimate tensile strength of steel, along with thread diameter and the pitch of screw fasteners, in order to model the pull-out behavior more accurately. This paper presents the details of this experimental investigation and its results.
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|Item Type:||Journal Article|
|Additional Information:||Compilation and indexing terms, Copyright 2013 Elsevier Inc.
Wall cladding systems
|Keywords:||Structural analysis, Failure (mechanical), Fasteners, Metal cladding, Roofs, Steel structures, Tensile strength, Wind stress|
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 1998 American Society of Civil Engineers|
|Deposited On:||14 Nov 2013 23:21|
|Last Modified:||05 Jul 2015 22:02|
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