UPCOMING WEBINAR

This webinar is free but you must still register and submit a sign in sheet to receive Professional Development hours.

Presentation Outline:The webinar is a case study of recent research conducted at the Structural Engineering and Earthquake Simulation Laboratory, University of Buffalo. Known as the CFS: NEES Project: Enabling Performance-Based Design of Multi-Story Cold-Formed Steel Structures the project studied the seismic behavior of a cold-formed steel light framed structure. Devco engineering developed the design calculations and drawings for the project.

The following topics will be covered:

• What is CFS NEES – discussion of what the CFS NEES project entailed, the goals of the project and the methods used to achieve those goals
• Structural Design, Gravity system – discussion of the type of gravity system used, load critiera and methods used to determine member sizes and design connections of the gravity system
• Structural Design, Lateral system – discussion of the type of LFRS used, design assumptions and methods used for design and detailing each component of the LFRS
• Testing – discussion of the full-scale test program, the results of the tests and how they compared to what our design methods predicted.

Webinar Materials

The day before the webinar, participants will have access to electronic versions of the following:

• Presenter’s notes
• Evaluation Form
• Attendance Form

Presenter

Speaker: Robert Madsen, P.E., Senior Project Engineer at Devco Engineering, Inc. Madsen is chairman of the American Iron and Steel Institute (AISI) Committee on Framing Standards (COFS) Lateral Design Subcommittee. He was the design engineer for the two structures tested during the CFS-NEES project conducted during the summer of 2013, which was the final phase of a three-year National Science Foundation (NSF)-funded research project to increase the seismic safety of buildings that use cold-formed steel light-frame construction for their primary support. The structure—which was designed using the most advanced computational models developed by the researchers—performed better than expected on the shake tables at the University at Buffalo. The full-scale testing provided the first look at the full system effect for cold-formed steel light-frame buildings.

An original member of the Cold-Formed Steel Engineers Institute, Madsen is chairman of the Technical Review Committee, a position he has held since 2006. In that capacity, Madsen and his team are charged with reviewing the content for all of CFSEI’s Technical Notes, which provide technical information to engineers and designers for the safe and efficient design of cold-formed steel structures.

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