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eixos dos perfis, de modo Ia tomar iguais asresistncias nas direes x .e y.

b) A carga de clculo (NRd -compresso) que pode ser aplicada nessa condio. I 148 m

y

900 emx

Dados:

Ao AR 345 fy = 345 MPa;fu = 485 MPa.Perfis:A = 16 60 crrr': Ix = 635 00 em":9 , , , ,rx = 6,18 cm; Iy = 82,00 em";ry = 2,22 cm ; br= 100 mm;tf = 4,9 mm; tw = 4,~' rnrn.

a

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