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.

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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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ID Code: 64392
Item Type: Journal Article
Refereed: Yes
Additional Information: Compilation and indexing terms, Copyright 2013 Elsevier Inc.
Pull-out strength
Suction forces
Wall cladding systems
Wind uplift
Keywords: Structural analysis, Failure (mechanical), Fasteners, Metal cladding, Roofs, Steel structures, Tensile strength, Wind stress
DOI: 10.1061/(ASCE)0733-9445(1998)124:10(1192)
ISSN: 0733-9445
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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