Wood Diaphragms: Performance Requirements and Analytical Modeling

by Robert H. Falk, USDA, United States,
Russell C. Moody, USDA, United States,



Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing

Abstract:

Wood diaphragms represent the principal mechanisms for resisting lateral loads in many light-frame buildings. While recent research has provided several mathematical models for predicting the strength and stiffness properties of these components, the design criteria prescribed by codes have not yet recognized these new procedures. Differences exist between the design criteria, the ability to accurately model wood building behavior, and the actual performance of buildings under real loads. The objective of this paper is to contrast these arenas and discuss some of the differences that limit efficiency and uniformity in the design of wood buildings.

Subject Headings: Wood structures | Building design | Wood frames | Lateral loads | Diaphragms (structural) | Wood construction | Load factors

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