Calculations › Concrete Cover
Concrete Cover
EN 1992-1-1
Determines nominal cover to reinforcement based on exposure class and structural class to EN 1992-1-1 §4.4.
Example inputs
Exposure classXC3
Structural classS4
Concrete gradeC25/30
Bar diameter ø16 mm
Max aggregate size dg20 mm
Construction tolerance Δcdev10 mm
National AnnexUK
Results
Concrete Cover
EN 1992-1-1 §4.4 · XC3 · S4
Results
✓ BOND COVER PASS
util 1.0016.00EN 1992-1-1 §4.4.1.2
| cmin,b (bond) = bar diameter | 16 | mm | EN 1992-1-1 §4.4.1.2 |
| Aggregate size check = max(ø, dg − 5mm) | 16 | mm |
✓ DURABILITY COVER PASS
util 1.0025.00EN 1992-1-1 §4.4.1.2
| cmin,dur = Table 4.4N (XC3, S4) | 25 | mm | EN 1992-1-1 Table 4.4N |
✓ NOMINAL COVER PASS
util 1.0035.00EN 1992-1-1 §4.4.1.1
| cmin = max(cmin,b, cmin,dur) | 25 | mm | |
| Δcdev (construction tolerance) | 10 | mm | EN 1992-1-1 §4.4.1.3 |
| cnom = cmin + Δcdev | 35 | mm | EN 1992-1-1 §4.4.1.1 |
Try it yourself
Run this calc with your own inputs