Symbols, quantities and units

3.1. Symbols, quantities and units#

Table 3.1 Overviw of symbols and units.#

Symbol

Name

Symbol

\(q_y\)

Distributed load in y direction

\([N/m]\)

\(q_z\)

Distributed load in z direction

\([N/m]\)

\(s\)

Distributed shear force

\([N/m]\)

\(t\)

Thickness

\([m]\)

\(t_f\)

Flange thickness

\([m]\)

\(t_w\)

Web thickness

\([m]\)

\(y_C\)

Y-coordinate of the center of gravity

\([m]\)

\(z_C\)

Z-coordinate of the center of gravity

\([m]\)

\(y_{NC}\)

Y-coordinate of the center of axial force

\([m]\)

\(z_{NC}\)

Z-coordinate of the center of axial force

\([m]\)

\(I\)

Second moment of area

\([m^4]\)

\(i\)

Radius of gyration

\([m]\)

\(W\)

Section modulus

\([m^3]\)

\(α\)

Thermal expansion coefficient

\([K^{-1}]\)

\(ε\)

Strain

\([-]\)

\(ε_t\)

Breaking strain (tension)

\([-]\)

\(ε_u\)

Ultimate strain

\([-]\)

\(ε_y\)

Yield strain

\([-]\)

\(κ\)

Curvature

\([m^{-1}]\)

\(γ\)

Load factor

\([-]\)

\(γ\)

Shear strain

\([rad]\)

\(γ_G\)

Load factor for permanent loads

\([-]\)

\(γ_Q\)

Load factor for variable loads

\([-]\)

\(θ\)

Angle of rotation

\([rad]\)

\(σ\)

Normal stress

\([N/m^2]\)

\(τ\)

Shear stress

\([N/m^2]\)