Environmental categories

Reinforced concrete structures

Prestressed concrete structures

Crack control levels

$w_{lim}$ (mm)

Crack control levels

$w_{lim}$ (mm)

I

III

0.30(0.40)

III

0.20

IIa

III

0.20

III

0.10

IIb

III

0.20

II

-

IIIa, IIIb

III

0.20

I

-