Validation of the European Yield Model for Nailed Connections

by Steve G. Winistorfer, USDA Forest Service, Madison, United States,

Document Type: Proceeding Paper

Part of: Structures Congress XII


Recent changes in National Design Specification for Wood Construction (NDS) connection design methods make it necessary to validate the European yield model (EYM) for nails. Test values from nailed joints simulating those used in manufactured housing were compared with predicted values form EYM equations currently in use in the NDS. The EYM underpredicted the 5% diameter offset-yield load of these joints (6% to 34% less than test values) and is therefore conservative. A significant moisture content effect was evident, where both test and predicted values for high moisture content (21%-27% equilibrium moisture content (EMC)) joints were less than those for low moisture content (6% EMC) joints.

Subject Headings: Water content | Nailed connections | Load tests | Joints | Connections (structural) | Wood construction | Structural design | Europe

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