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Física ·

Concreto Armado 1

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Considere a viga a seguir e calcule a área da armadura longitudinal de flexão Dados Mkmax 15000 Kncm Concreto C25 fck25MPA Concreto com brita I dmax19mm Aço CA50 ft5mm Diâmetro do Estribo h 650 mm bw 35cm d 062 m c 30 cm cobrimento nominal Msd 068 x d 0272 x² bw fcd 150 14 068 x 062 0272 x² 035 25 10² 14 X 0084278 As 150 14 062 04 0084278 50 115 As 82382 cm² Asmáx 4 65 35 100 Asmáx 91 cm² Asmín 015 65 35 100 Asmín 34125 cm² As 82382 cm² 3 ϕ 20 mm 945 cm² 3Ns ϕ 20 mm