A simply supported beam 300 mm wide, 500 mm deep and spans 5.4 m supports a service super imposed dead load of 9 kN/m an

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answerhappygod
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A simply supported beam 300 mm wide, 500 mm deep and spans 5.4 m supports a service super imposed dead load of 9 kN/m an

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A simply supported beam 300 mm wide, 500 mm deep and spans 5.4 m
supports a service super imposed dead load of 9 kN/m and service
live load of 9 kN/m. Concrete strength
f’c = 21 MPa and steel yield strength
fy = 415 MPa. Concrete cover to bar
centroid is 70 mm. Determine the depth of
equivalent rectangular stress block (mm) at ultimate stage.
Write your answer in 2 decimal places only.
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