Math Problem Statement
Para a viga bi apoiada, determine a posição da linha neutra (x) e calcule a área de armadura longitudinal de flexão e as deformações na fibra de concreto mais comprimida e na armadura de flexão tracionada. concreto C25; aço CA-50; φt= 5,0 mm (diâmetro do estribo); h = 60 cm; concreto com brita 1 (dmáx= 19 mm), sem brita 2; bw = 20 cm; γc=γf= 1,4; γs= 1,15; Mk= + 18600 kN.cm (momento fletornegativo no apoio da viga); d= 57 cm (altura útil); c=2,0 cm (cobrimento nominal).
Solution
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Math Problem Analysis
Mathematical Concepts
Concrete Design
Structural Analysis
Reinforced Concrete
Formulas
Equilibrium of forces
Moment equilibrium
Strain calculation
Theorems
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Suitable Grade Level
Postgraduate Level
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