Q4: A rectangular beam has the dimensions shown in figure below. Tensile strength in bending (modulus of rupture) is 3.5 N/mm². Determine the stresses caused by a bending moment M = 63 kN.m and whether concrete will crack at tension side or not. As (5 $ 16 mm) = 1000 mm² f'c = 25 N/mm² fy = 414 N/mm² Es = 200000 N/mm², Ec= 20000 N/mm² 625 250 y

Structural Analysis
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Q4:
A rectangular beam has the dimensions shown in figure below. Tensile strength in bending
(modulus of rupture) is 3.5 N/mm². Determine the stresses caused by a bending moment M
= 63 kN.m and whether concrete will crack at tension side or not.
As (5 $ 16 mm) = 1000 mm²
f'c = 25 N/mm²
fy = 414 N/mm²
Es = 200000 N/mm², Ec= 20000 N/mm²
625
250
y
Transcribed Image Text:Q4: A rectangular beam has the dimensions shown in figure below. Tensile strength in bending (modulus of rupture) is 3.5 N/mm². Determine the stresses caused by a bending moment M = 63 kN.m and whether concrete will crack at tension side or not. As (5 $ 16 mm) = 1000 mm² f'c = 25 N/mm² fy = 414 N/mm² Es = 200000 N/mm², Ec= 20000 N/mm² 625 250 y
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