Computer · Design of Reinforced Concrete Structures
A rectangular simply supported beam of span 4 m is 300 mm × 700 mm in total cross-section and is reinforced with 3 bars of 20 mm on the tension side at an effective cover of 50 mm. The beam experiences an imposed working load of 20 kN/m. Assuming the density of concrete as 25 kN/m3, what is the maximum bending moment under working loads?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15.5 kNm
- 255.0 kNm
- 350.5 kNm✓
- 45.05 kNm
Correct answer
50.5 kNm
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