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wood columns

Wood columns are typically constructed in 2 major types; built up or solid.

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The type of column is chosen by an engineer based on structural grade, species, compressive/bending/shear stresses, and modulus of elasticity.

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For a solid-sawn column, well seasoned wood should be used to assure the timber is at maximum and final strength.

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Built-Up Columns can be Glu-Laminated or fastened mechanically with bolts or other fasteners. Generally speaking, Glu-Laminated columns are the strongest, solid sawn are the next strongest, and mechanical being the least strong when considering equal dimensions and loads. 6×6, 8×8, and 10×10 columns can commonly support loads without bracing up to 12′ in height.

Increased heights will require larger columns and diagonal top or bottom bracing.

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Prefabricated metal ties are commonly used at the top to receive framing above or at the bottom to be secured to a floor or foundation in order to resist lateral movement.

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