MaterialsΒΆ Concrete materials Concrete factory Eurocode 2 (2004) fib Model Code 2010 Eurocode 2 (2023) Reinforcement steel materials Reinforcement steel factory Eurocode 2 (2004) fib Model Code 2010 Eurocode 2 (2023) Constitutive laws Constitutive law factory Linear elastic Elastic plastic Parabola rectangle Bilinear elastic perfectly plastic Sargin Popovics Userdefined Base material classes Base material class Base concrete class Base reinforcement steel class Base constitutive law class