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Title: Fabrication aids for cold straightening I-girders
Authors: Gergess, Antoine 
Sen, Rajan
Affiliations: Department of Civil and Environmental Engineering 
Keywords: Straightening
Cold bending
Steel girder
Residual deformation
Design aids
Subjects: Buildings
Issue Date: 2004
Part of: AISC engineering journal
Volume: 41
Issue: 2
Start page: 69
End page: 84
Fabrication out-of-straightness in steel girders can be rectified using heat straightening or cold straightening. While heat straightening has been extensively researched, little information is available on cold straightening where loads are used to achieve the same result. This paper provides an analytical framework for an innovative cold straightening (also referred to as cold bending) system developed by a fabricator. Maximum safe limits on loads, out-of-straightness and load frame configurations that are consistent with prevailing ""Load and Resistance Factor Design"" (LFRD) criteria are proposed. Fabrication aids for Grade 250 (Fy = 36 ksi) and 345 (Fy = 50 ksi) steel are developed and their application illustrated by three numerical examples.
Type: Journal Article
Appears in Collections:Department of Civil and Environmental Engineering

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