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CalculationsConcrete 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 diameter16mmEN 1992-1-1 §4.4.1.2
Aggregate size check = max(ø, dg − 5mm)16mm
DURABILITY COVER PASS
util 1.0025.00EN 1992-1-1 §4.4.1.2
cmin,dur = Table 4.4N (XC3, S4)25mmEN 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)25mm
Δcdev (construction tolerance)10mmEN 1992-1-1 §4.4.1.3
cnom = cmin + Δcdev35mmEN 1992-1-1 §4.4.1.1

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