Pef3402 - Exercício Resolvido .pdf

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PEF 3402 – Estruturas de Aço – 2017-1 Exercício

Dimensionar os travamentos do pórtico a seguir, utilizando perfil cantoneira ( simples ou dupla) , com ligações soldadas ( solda longitudinal em uma aba apenas, chapas de ligação de 6mm de espessura e adotar 𝑒𝑐 ≪ 𝑙𝑐 ). Dados:  Aço ASTM A-36  𝐻𝑔 = 0 

𝐻𝑞 = ±30 𝑘𝑁

 

𝐻𝑤 = ±90 𝑘𝑁 𝛾𝑞 = 𝛾𝑤 = 1,4



𝛹𝑜𝑞 = 0,7 ; 𝛹𝑜𝑤 = 0,6

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