Stiffness Factor for Lumber in Adjustment Factors for Design Values Formulas

The stiffness factor for lumber is 0.59 for visually graded lumber and machine-evaluated lumber and 0.82 for products with a coefficient of variation of 0.11 or less. And is denoted by K_T.

Adjustment Factors for Design Values formulas that make use of Stiffness Factor for Lumber

fxBuckling Stiffness FactorGo

FAQ

What is the Stiffness Factor for Lumber?

The stiffness factor for lumber is 0.59 for visually graded lumber and machine-evaluated lumber and 0.82 for products with a coefficient of variation of 0.11 or less.

Can the Stiffness Factor for Lumber be negative?

{YesorNo}, the Stiffness Factor for Lumber, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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