PSAD Refresher 34: Stresses in Reinforced Concrete Beam (Working Stress Design)
Автор: Engr. Harf Miranda (Sir Harf Engineering Tutorial)
Загружено: 2024-11-14
Просмотров: 1437
SITUATION: A rectangular reinforced concrete beam with width of 300 mm and effective depth of 600 mm is subjected to a service bending moment of 200 kN-m. The beam is reinforced with 4-φ32 mm bars. Use f’c = 28 MPa.
16. Using Working Stress Design method, which of the following gives the location of the neutral axis measured from the extreme concrete fiber in compression?
A. 221.2
C. 246.33
B. 235.7
D. 205.4
17. Which of the following gives the maximum compressive stress in concrete in MPa?
A. 10.45
C. 8.65
B. 9.63
D. 7.53
18. Which of the following most nearly gives the tensile stress in steel in MPa?
A. 100
C. 140
B. 160
D. 120
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