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Tuesday, April 21, 2015 Meeting - Offset Diaphragms and Shear Walls

  • 21 Apr 2015
  • 8:00 AM - 1:00 PM
  • Maggiano's Little Italy - Northpark Center


  • Please use this if you plan to attend the morning session so we can plan for attendees.

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Offset Diaphragms and Shear Walls

Presented by Terry Malone, PE, SE-Senior Technical Director at Woodworks

Morning sessions:  (3.0 Professional Hours)

Part 1-Offset Diagrams 

  • Develop a better understanding of code requirements regarding the distribution of discontinuous member forces within the diaphragm.
  • Learn how to recognize areas within the diaphragm that require special analysis and detailing.
  • Learn special analytical tools required to properly analyze complex diaphragms.

Part 2-Offset Shear Walls 

  • Provide information on how to simplify complex diaphragms into more manageable layouts.
  • Learn how to analyze horizontally offset shear walls to act as a single line of lateral force resistance.
  • Learn how analyze in-plane offset shear walls.
  • Discuss common irregularities associated with these types of structures.

    Part 3-Diaphragms with Large Openings

    • Determine if the size of an opening requires special consideration and analysis.
    • Discuss a method for analyzing a diaphragm with large openings, including pop-ups.
    • Review three examples of diaphragms with large openings.
      Lunch Session: (1.0 Professional Hour)

      Part 4-Shear Walls

      • Review how to develop complete load paths to and through shear walls
      • Discuss the detailing required to maintain complete load paths
      • Review how to analyze a FTAO shear wall with a special loading condition

        Terry Malone is a licensed structural engineer in Washington, Oregon and Arizona, and Senior Technical Director of Woodworks Architectural and Engineering Solutions. Prior to joining WoodWorks, he was a principal in consulting structural engineering firms in Washington and Oregon and also conducted third party structural plan reviews. He also served as a faculty member at St. Martin’s College in Lacey, Washington. Terry has over 35 years of wood design experience and has taken an active role as a presenter providing seminars at state and local ICC chapters and professional engineering organizations with focus on understanding lateral force resisting systems. Terry is author of The Analysis of Irregular Shaped Structures: Diaphragms and Shear Walls, published by McGraw-Hill and ICC. He is a member of the Structural Engineers’ Association of Arizona.

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