Effective Length Factor in Allowable Stress Design Formulas

Effective Length Factor is the factor used for the members in the frame. It depends on the ratio of compression member stiffness to the end restraint stiffness. And is denoted by k.

Formulas to find Effective Length Factor in Allowable Stress Design

fxEffective Length FactorGo

Allowable Stress Design formulas that make use of Effective Length Factor

fxAllowable Compressive Stress when Slenderness Ratio is Greater than CcGo

fxAllowable Compressive Stress when Slenderness Ratio is Less than CcGo

fxSafety Factor for Allowable Compressive StressGo

List of variables in Allowable Stress Design formulas

fx Effective Column Length Go

fx Actual Unbraced Length Go

FAQ

What is the Effective Length Factor?

Effective Length Factor is the factor used for the members in the frame. It depends on the ratio of compression member stiffness to the end restraint stiffness.

Can the Effective Length Factor be negative?

{YesorNo}, the Effective Length Factor, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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