Civil Engineering MCQAE Level Civil Engineering
In WSM (Working Stress Method) for a doubly reinforced beam, the stress in compression steel (f'_sc) is limited to:
RCCStress in Compression SteelMEDIUM
Choose the correct answer
A
0.87f_y
B
σ_cbc × m'
C
σ_cbc × (m - 1)
D
Equal to the stress in tension steel
Correct Answer
C. σ_cbc × (m - 1)
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In WSM, the stress in compression steel = 1.5m × f'_c, where f'_c is the concrete stress at that level. More precisely, compression steel takes σ = (m-1) × σ_c,steel,level for transformed section analysis.
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