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Sponsored by ASCE Continuing Education and the Structural Engineering Institute (SEI).
INSTRUCTOR: Dave K. Adams, P.E., S.E., M.ASCE
Purpose and Background
Steel ordinary moment frames are often selected to create an economical structural system for both building and non-building structures, but their use is limited in higher seismic design category regions. Additionally, the design process for frames constructed of unconventional shapes is not very clear in AISC 360-10 or AISC 341-10. Frames that are built of anything other than wide-flange members may fall into the category of "alternative designs" and an engineer needs to understand how to produce a reliable, defensible design that complies with the intent of ASCE 7-10.
Primary Discussion Topics
- What is an "alternative design"?
- Differences between ordinary intermediate, and serial frames
- Example: Moment frame using HSS members
- Example: Moment frame using channel and HSS members
- Example: Knee-braced moment frame
Learning Outcomes
- Understand the scope of restrictions and design requirements from ASCE 7-10
- Determine appropriate sections for design from AISC 360-10 and AISC 341-10
- Learn how to calculate three different types of alternative moment frames
Webinar Benefits
- Understand the provisions of ASCE 7-10, AISC 360-10 and AISC 341-10 relative to steel ordinary moment frames
- Discover economical applications for building and non-building structures
- Determine how the codes distinguish between "building" and "non-building" structures
- Defend alternative designs with confidence
- Expand knowledge on how different codes are related to one another
Intended Audience
- Structural engineers
- Building officials
- Industrial facility managers
- Steel fabricators
Webinar Outline
- Different types of moment frames
- Steel ordinary moment frames
- Alternative designs
- Example 1: HSS moment frame
- Example 2: Channel beam and HSS column moment frame
- Example 3: Knee-brace moment frame