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Concrete material models

In this section you will find entries on concrete material models organised by type. An overview of the section titles are linked below.

The symbols and units used throughout this section are listed in the tables below.

Concrete material models by type

Parabola-rectangle

EC2 confined

Rectangle

Bilinear

Non-linear

Popovics

Mander and Mander confined curve

BS8110-2 tension curve

TR59

Interpolated

Alternative stress block

Symbols

SymbolsMeaning
ffconcrete stress
fcf_cconcrete strength
ε\varepsilonconcrete strain
εc\varepsilon_cstrain at which concrete stress is maximum
εcu\varepsilon_{c u}strain at which concrete fails

Units

The default sizes are:

DefinitionUnit of measurement
stress, strengthMPa (psi)
elastic modulusGPa (psi)