Problem 4: A WF section has a simple span of 12 m. The beam is laterally supported at both ends and at the midspan. It carries a service uniform dead load of 12 kN/m. 1. Determine the flexural strength of the beam. 2. Determine the safe service concentrated live load that the beam could support at its midspan.
Problem 4: A WF section has a simple span of 12 m. The beam is laterally supported at both ends and at the midspan. It carries a service uniform dead load of 12 kN/m. 1. Determine the flexural strength of the beam. 2. Determine the safe service concentrated live load that the beam could support at its midspan.
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![Problem 4: A WF section has a simple span of 12 m. The beam is laterally
supported at both ends and at the midspan. It carries a service uniform dead
load of 12 kN/m.
1. Determine the flexural strength of the beam.
2. Determine the safe service concentrated live load that the beam could
support at its midspan.
Properties of WF section
A = 14,100 mm²
d = 361 mm
bf = 257 mm
t₁ = 19.9 mm
tw = 11.4 mm
Ix = 331 x 106 mm²
Sx = 1,840 x 10³ mm³
rx = 153 mm
ly = 55.8 x 106 mm4
Sy = 436 x 10³ mm³
ry = 63 mm
J = 1.36 x 106 mmª
Zx = 1,980 x 10³ mm³
Cb = 1.0
Lr = 8.24 m
Lp = 2.91 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb9d619ef-6028-4092-9ab8-e0f12cb58028%2Fa7486cfa-dddc-42de-ade4-8c1de6059407%2F6qgumwl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problem 4: A WF section has a simple span of 12 m. The beam is laterally
supported at both ends and at the midspan. It carries a service uniform dead
load of 12 kN/m.
1. Determine the flexural strength of the beam.
2. Determine the safe service concentrated live load that the beam could
support at its midspan.
Properties of WF section
A = 14,100 mm²
d = 361 mm
bf = 257 mm
t₁ = 19.9 mm
tw = 11.4 mm
Ix = 331 x 106 mm²
Sx = 1,840 x 10³ mm³
rx = 153 mm
ly = 55.8 x 106 mm4
Sy = 436 x 10³ mm³
ry = 63 mm
J = 1.36 x 106 mmª
Zx = 1,980 x 10³ mm³
Cb = 1.0
Lr = 8.24 m
Lp = 2.91 m
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