Fabricators’ and Erectors’ Guide to Welded Steel Construction

Fabricators’ and Erectors’ Guide to Welded Steel Construction
by Omer W. Blodgett, P.E., Sc.D.,R. Scott Funderburk, Duane K. Miller, P.E., Sc.D.

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vijaymalik, 5 hours ago

Fabricators’ and Erectors’ Guide toWelded Steel Construction By Omer W. Blodgett, P.E., Sc.D.R. Scott FunderburkDuane K. Miller, P.E., Sc.D.Marie Quintana, P.E. This information has been provided byThe James F. Lincoln Arc Welding Foundationto assist the general welding industry. The serviceability of a product or structure utilizing the type of information presented herein is, and must be, the sole responsi-bility of the builder/user. Many variables beyond the control of The James F. Lincoln Arc Welding Foundation or The LincolnElectric Company affect the results obtained in applying this type of information. These variables include, but are not limited to,welding procedure, plate chemistry and temperature, weldment design, fabrication methods, and service requirements. This guide makes extensive reference to the AWS D1.1 Structural Welding Code-Steel, but it is not intended to be a comprehen-sive review of all code requirements, nor is it intended to be a substitution for the D1.1 code. Users of this guide are encouragedto obtain a copy of the latest edition of the D1.1 code from the American Welding Society, 550 N.W. LeJeune Road, Miami,Florida 33126, (800) 443-9353.
Copyright © 1999

Fabricators’ and Erectors’ Guide toWelded Steel Construction 1 Introduction/Background This Fabricators’ and Erectors’ Guide to Welded Steel Construction has been produced by The Lincoln ElectricCompany in order to help promote high quality and cost effective welding. This guide is not to be used as a substitute for the AWS D1.1 Structural Welding Code, or any other applicable welding code or specification, and the user bears the responsibility for knowing applicable codes and job requirements. Rather, this document incorporates references to the D1.1-96 code, and addsexplanation, clarification, and guidelines to facilitate compliance with the code. At the time of writing, this guide reflects the current industry views with respect to steel fabrication, with specific emphasis on the new provisions that have been recently imposed for fabrication of structures designed to resist seismic loads. These provisions are largely drawn from the Federal Emergency Management Administration (FEMA) Document No.267, produced by the SAC Consortium, whose membersinclude the Structural Engineers Association of California, Applied Technology Council, and California Universities for Research and Earthquake Engineering.Another cited document is the AWS D1 Structural Welding Committee’s Position Statement on the Northridge earthquake. Research is still underway, and additional provisions may be found that will further increase the safety of welded steel structures. The user of this document must be aware of changes that may occur to codes published after this guide, specific job requirements, and various interim recommendations that may affect the recommendations contained herein. The January 1994 Northridge earthquake revealed a number of examples of lack of conformance to D1.1 code mandated provisions. Lack of conformance to code provisions, and the poor workmanship revealed in many situations, highlight the need for education. This document is one attempt to assist in that area. The information contained herein is believed to be current and accurate. It is based upon the current technology, codes, specifications and principles of welding engineering. Any recommendations will be subject to change pending the results of ongoing research. As always, it is the responsibility of the Engineer of Record,and not The Lincoln Electric Company, to specify therequirements for a particular project. The prerogative to specify alternate requirements is always within the authority of the Engineer of Record and, when more restrictive requirements are specified in contract documents, compliance with such requirements would supersede the preceding recommendations. Acceptance of criteria by the Engineer of Record that are less rigorous than the preceding does not change the recommendations of The Lincoln Electric Company.

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