Notch Toughness of Internationally Produced Hollow Structural Sections
Publication: Journal of Structural Engineering
Volume 131, Issue 2
Abstract
Since the Northridge and Kobe earthquakes in the 1990s, with their numerous brittle fractures of steel members and welded connections, there is much more awareness of material notch toughness for all applications where dynamic loading is a design condition. As a result, there has been renewed attention directed at assessment of the notch toughness of steel sections, along with tightening of requirements for welding consumables in welded joints. This paper reports on the Charpy V-Notch (CVN) toughness of contemporary hollow structural sections (HSS) manufactured by companies in North America, South America, and Europe. The hollow sections were produced as: hot-formed HSS; cold-formed HSS (electric resistance welded); and cold-formed plus stress-relieved HSS (electric resistance welded). Also, the range of parameters covered in the experimental study included specimen orientation (longitudinal versus transverse), cross-section location (flats, corner, and weld seam), and face exposure (interior face of tube versus exterior face). In total, 557 CVN specimens have been impact tested.
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Acknowledgments
Financial support for this project was provided by the Comité International pour le Développement et l’Étude de la Construction Tubulaire (CIDECT) Program 1B, the Steel Structures Education Foundation (Canada) and the Natural Sciences and Engineering Research Council of Canada (NSERC). All experimental work reported was performed at the University of Toronto. Special recognition goes to Kevin Yong-Ping and Ora Zobin who impact tested batches of CVN specimens as part of their undergraduate theses.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 131 • Issue 2 • February 2005
Pages: 279 - 286
Copyright
© 2005 ASCE.
History
Received: Sep 8, 2003
Accepted: Mar 2, 2004
Published online: Feb 1, 2005
Published in print: Feb 2005
Notes
Note. Associate Editor: Sherif El-Tawil
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