SAF Documentation
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Supported design properties of the materials

Steel Specific Material Properties

Index
Design property
Unit
Description
1
fy
Mpa
Yield strength
2
fu
Mpa
Ultimate strength
3
fu(minimum)
MPa
The specified minimum tensile strength
4
Ry
-
The ratio of the expected yield stress to the specified minimum yield stress
5
Rt
-
value used to calculate the expected tensile strength for the seismic detailing checks

Concrete Specific Material Properties

Index
Design property
Unit
Description
6
fck
Mpa
Characteristic compressive cylinder strength
7
fcm
Mpa
Mean compressive strength
8
fctm
Mpa
Mean tensile strength
9
fctk 05
Mpa
Five percent quantile of tensile strength
10
fctk 95
Mpa
Ninety five percent quantile of tensile strength
11
eps c2
-
Strain at reaching maximum strength for calculation of bearing capacity
12
eps cu2
-
Ultimate strain for calculation of bearing capacity
13
eps c3
-
Strain at reaching maximum strength for calculation of load effect
14
eps cu3
-
Ultimate strain for calculation of load effect

Timber Specific Material Properties

Index
Design property
Unit
Description
15
E0.05
Mpa
5% Modulus of elasticity parallel to grain
16
E90, mean
Mpa
Mean modulus of elasticity perpendicular to grain
17
fmk
Mpa
Characteristic bending strength
18
ft0k
Mpa
Characteristic tensile strength parallel to grain
19
ft90k
Mpa
Characteristic tensile strength perpendicular to grain
20
fc0k
Mpa
Characteristic compressive strength parallel to grain
21
fc90k
Mpa
Characteristic compressive strength perpendicular to grain
22
fvk
Mpa
Characteristic shear strength