Symbols#

Latin letters#

Greek letters#

\(\varepsilon\)

strain

\(\varepsilon_\mathrm{c}\)

concrete strain

\(\varepsilon_\mathrm{c1}\)

concrete strain at maximum stress

Stress-strain-relationship for non-linear determination of stress-resultants and deformations

\(\varepsilon_\mathrm{cu1}\)

concrete strain at failure

Stress-strain-relationship for non-linear determination of stress-resultants and deformations

\(\varepsilon_\mathrm{c2}\)

concrete strain at maximum stress

Parabola-rectangle stress-strain-relationship for section-design

\(\varepsilon_\mathrm{cu2}\)

concrete strain at failure

Parabola-rectangle stress-strain-relationship for section-design

\(\varepsilon_\mathrm{c3}\)

concrete strain at maximum stress

Bi-linear stress-strain-relationship for section-design

\(\varepsilon_\mathrm{cu3}\)

concrete strain at failure

Bi-linear stress-strain-relationship for section-design

\(\kappa\)

curvature

\(\kappa = \frac{1}{r} = \frac{M}{E \cdot I}\)

\(\kappa_\mathrm{fail}\)

curvature at failure

see Failure

\(\sigma\)

stress

\(\sigma_\mathrm{a}\)

steel stresses

Formula eq:theory_materials_steel_bilinear in Steel

\(\sigma_\mathrm{c}\)

concrete stress under compression

Formulas (3), (4), (5) in Concrete

\(\sigma_\mathrm{ct}\)

concrete stress under tension

Formula (8) in Concrete

\(\sigma_\mathrm{s}\)

reinforcement stresses

\(\sigma_\mathrm{\varepsilon}\)

stress depending on strain \(\varepsilon\)

Formula eq:theory_material_line