Splitting Failures in Trapezoidal Steel Roof Cladding
Publication: Journal of Performance of Constructed Facilities
Volume 18, Issue 1
Abstract
High wind events such as hurricanes and storms often cause severe damage to crest-fixed thin steel roof claddings. Past research on wind damage has shown that low cycle fatigue cracking of steel roof sheeting around the fastener holes has been the reason for the premature pull-through failures of roof claddings under fluctuating wind forces. Such a situation will be at its worst if the roof sheeting is already split at the fastener holes. An inspection of trapezoidal steel roofs has shown that roofing has been split in the transverse direction due to overtightening of screw fasteners accidental or caused by poor workmanship. Once split, even slightly, the roofing can survive only a few cycles of wind uplift loading. Therefore an investigation using laboratory experiments and finite element analyses was carried out to study the splitting behavior of two commonly used high tensile steel trapezoidal roof claddings. The analytical and experimental results agree reasonably well and present a good understanding of the splitting behavior of trapezoidal roof claddings. This paper presents the details of this investigation and the results.
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Information
Published In
Journal of Performance of Constructed Facilities
Volume 18 • Issue 1 • February 2004
Pages: 4 - 11
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: Jan 9, 2002
Accepted: Oct 11, 2002
Published online: Jan 16, 2004
Published in print: Feb 2004
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