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Wood Design for Architects: AIA Statement AIA ... - WoodWorks

Wood Design for Architects: AIA Statement AIA ... - WoodWorks

Wood Design for Architects: AIA Statement AIA ... - WoodWorks

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Stud BendingBuilt-up up Lumber ColumnsLateral <strong>for</strong>ce onstuds furtherreduces thebuckling capacity.This controls thedesign of exteriorstuds subjected tolateral wind orseismic <strong>for</strong>ces.Buckled shapeMulti-ply columns• Guidance provided in NDS <strong>for</strong>:• Nailed or bolted laminated columns• Nailed K f = 0.60• Bolted K f = 0.75Built-up up Lumber ColumnsBuilding ElementsNail spacing dictated by NDS <strong>for</strong> reduced KfLateral <strong>Design</strong>• Horizontal members• Diaphragms•Vertical members• Shear Walls

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