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Muita gente ainda se confunde na hora de posicionar a ferragem, mas a regra é clara: o aço deve estar onde a estrutura mais sofre tração! Neste vídeo, eu te mostro de forma prática o "raio-x" das vigas mais comuns da obra: Viga em balanço: Aço no topo. Viga bi-apoiada: Aço na base. Viga contínua: Reforço negativo sobre os pilares. Viga alta : Hora da armadura de pele. Viga chata: Estribos duplos para garantir a amarração. E se o objetivo é velocidade e economia real, o segredo não
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