ESTUDO DO COMPORTAMENTO DE VIGAS MÉTALICAS COM LIGAÇÕES PARAFUSADAS
Keywords:
aço, parafusos, estruturas de aço, flexão simplesAbstract
Este artigo tem por objetivo analisar a capacidade resistente de vigas bi apoiadas em aço constituídas de perfis tipo I laminados de abas paralelas com dois eixos de simetria, sendo dotadas de emendas com parafusos de alta resistência do tipo ASTM A325 de diâmetro 19 mm, estando os modelos solicitados por esforços de flexão simples. Todas as vigas foram ensaiadas até a ruptura, ruptura esta, apresentada fora das ligações, se mantendo íntegros tanto as chapas de ligação quanto os parafusos conectados. As vigas ensaiadas apresentaram carga de ruptura entre 73% para a viga V3L e 82% para a viga V1L com relação à viga de referência VREF que não possui ligações.
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