Cobrimento nominal
0 mm
CAA 1-4: 25, 30, 40, 50 mm
Area barra longitudinal
0 mm2
A = pi * diametro^2 / 4
Area estribo (1 ramo)
0 mm2
A = pi * diametro^2 / 4
fcd (concreto de calculo)
0 MPa
fcd = 0.85 * fck / 1.4
fctm (tracao media)
0 MPa
fctm = 0.3 * fck^(2/3)
Largura util em mm
0 mm
bw(mm) = bw(cm) * 10