Proceedings of the Sixth International Workshop on Connections in Steel Structures, held June 23-25, 2008 in Chicago, IL. These Proceedings include the 56 technical papers presented by the participants in the workshop. The 71 participants represented 19 countries. CD-ROM of the Proceedings is also included.

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Comparison of Structural Performance of Multi-Story Buildings Under Extreme Events

This report by Nestor Iwankiw of Hughes Associates and Larry Griffis of Walter P. Moore & Associates was developed to provide a unified structural engineering review and objective assessment of the structural performance of major multi-story building collapses in the U.S. due to the extreme exposures of blast, impact, and fire from the following terrorist events:  

• The 1993 bombing of the World Trade Center (WTC) towers in New York City
  
• The 1995 bombing of the Murrah Federal Building in Oklahoma City
  
• The September 11, 2001 attacks on the World Trade Center towers and collateral damage of surrounding buildings in New York City
  
• The September 11, 2001 attack on the Pentagon in Washington D.C.
  
  

In addition, a historical survey on the performance of multi-story buildings under normal fires is presented for comparison to these extreme events (Iwankiw and Beitel, 2002)

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Blast and Progressive Collapse

This document by Kirk A. Marchand and Farid Alfawakhiri serves to provide the latest information and guidance available for commercial and industrial buildings subjected to these extraordinary loads and responses. It is not intended to supplant existing guidance for hardened military construction for warfighters. The document presents background and definitions for explosive loads and progressive collapse, general principles of blast loads and response prediction, recommendations for structures designed to resist blast and mitigate progressive collapse, recent guidelines and Federal and DoD requirements, some observations from historical events, and some information on ongoing research.

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Fire Facts for Steel Buildings

Introductory primer and objective general reference on fire safety issues in a convenient question and answer format. Provides review of past building fire incidents, building code requirements, fire resistance testing, fire resistant design, and post-fire repair of structures.

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A Fatigue Primer for Structural Engineers

The latest publication from the National Bridge Alliance is designed to provide structural engineers with the necessary background to understand and use the current rules for fatigue strength. A Fatigue Primer for Structural Engineers examines the fundamentals of fatigue and looks at basic fracture mechanic concepts, fatigue strength analysis, fatigue assessment procedures for variable stress range, distortion-induced fatigue cracking, inspection and repair of fatigue cracks. In addition, the book includes 13 examples problems, including several examples pertaining to the AASHTO Specifications.

May, 1998 (130 pp.) Please download the PDF HERE.

General Safety Rules for Structural Steel Fabricators

This publication provides recommendations for good safety practices in structural steel fabricating shops.

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Steel Building Symposium: Blast and Progressive Collapse Resistance

This proceedings provides introduction and guidance for the design and construction of blast and progressive collapse resistant steel buildings.

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The SFPE Task Group on Fire Exposures to Structural Elements

An engineering analysis to evaluate the response of a structure during a fire must consider both the heat transfer from the fire to the structural members and the structural response of these members under the defined threat. The focus of this guide is to define the heat flux boundary condition due to the fire used in the heat transfer analysis portion of this problem. Guidance is provided for two potential fire threats: fully developed enclosure fires and local fire plumes. 

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