Concrete properties
f,ck
Characteristic compressive strength of concrete (MPa)
f,cm
Mean value of concrete compressive strength (MPa)
f,ctm
Mean value of axial tensile strength of concrete (MPa)
f,ctk.0.05
(MPa)
Ecm
Secant modulus of elasticity of concrete (MPa)
f,cd
Design value of concrete compressive strength (MPa)
f,ctd
Design value of axial strength of concrete (MPa)
Lambda