On

Tv and Tv,d

Partial factor for actions also accounting for model uncertainties and dimensional variations

Partial factor for action i that takes account of the possibility of unfavourable deviations of the action values from the representative values

Partial factor for permanent actions Partial factor for permanent action j Partial factor for variable actions Partial factor for variable action i Partial factor for material properties

Partial factor for material properties also accounting for model uncertainties and dimensional variations

Partial factor taking account of uncertainties in modelling the effects of actions

Modal damping ratio Conversion factor

Slenderness ratio corresponding to bending about the y-axis Slenderness ratio corresponding to bending about the z-axis Relative slenderness ratio corresponding to bending about the y-axis Relative slenderness ratio corresponding to bending about the z-axis Characteristic density Mean density

Design compressive stress along the grain

Design compressive stress at an angle a to the grain

Mean design compressive stress in a flange

Design compressive stress of the extreme fibres in a flange

Mean design tensile stress in a flange

Design tensile strength of the extreme fibres in a flange

Critical bending stress

Design bending stress about the principal y-axis Design bending stress about the principal z-axis Design bending stress at an angle a to the grain Axial stress

Design tensile stress along the grain

Design tensile stress perpendicular to the grain

Design compressive stress in a web

Design tensile stress in a web

Shear stress and design shear stress

Design torsional shear stress

Factor for the combination value of a variable action

Factor for the frequent value of a variable action

Factor for the quasi-permanent value of a variable action

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