C30/37
The most common structural concrete class: 30 MPa cylinder, 37 MPa cube characteristic strength.
All values
Strength
Characteristic cylinder strength fck
28-day characteristic compressive strength, 150×300 mm cylinder.
| Condition | Value | Evidence |
|---|---|---|
| 30MPa | Corroborated |
Characteristic cube strength fck,cube
28-day characteristic compressive strength, 150 mm cube.
| Condition | Value | Evidence |
|---|---|---|
| 37MPa | Single source |
Mean compressive strength fcm
fcm = fck + 8 MPa.
| Condition | Value | Evidence |
|---|---|---|
| 38MPa | Single source |
Mean axial tensile strength fctm
fctm = 0.30·fck^(2/3) up to C50/60.
| Condition | Value | Evidence |
|---|---|---|
| 2.9MPa | Single source |
Physical constants
Modulus of elasticity E
Young's modulus for design.
| Condition | Value | Evidence |
|---|---|---|
| 33 000MPa | Single source1 |
Sources here are public pages that reproduce EN 1992-1-1:2004. For design and acceptance, the standard edition named in your specification and the inspection certificate (EN 10204 3.1) of the delivered product take precedence.