A beam is simply supported and has a span of 12 m. The beam is a W33x240 with Ex-345 MPa. Compute the allowable (ASD) and ultimate (LRFD) uniformly distributed load that can be safely carried by the beam including its weight: A. If the compression flange has lateral supports only at its ends and the midspan. Express your answer in kN/m. (ASD) B. If the compression flange has lateral supports only at its ends and the midspan. Express your answer in kN/m. (LRFD)

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A beam is simply supported and has a span of 12 m. The beam is a W33×240 with Ey=345
MPa. Compute the allowable (ASD) and ultimate (LRFD) uniformly distributed load that can be
safely carried by the beam including its weight:
A. If the compression flange has lateral supports only at its ends and the midspan. Express
your answer in kN/m. (ASD)
B. If the compression flange has lateral supports only at its ends and the midspan. Express
your answer in kN/m. (LRFD)
Properties of W33×240:
Weight = 3.51 kN/m
tw = 21.08 mm
rx = 352.54 mm
A = 45,548 mm?
Ix = 5,660.75 × 10® mm*
ry = 92.34 mm
d = 850.9 mm
ly = 388.34 × 10® mm*
Jc = 14.51 x 10° mm
%3D
bị = 402.97 mm
Sx = 13,322.68 x 10° mm3
ris = 105.92 mm
t = 35.56 mm
Sy = 1,933.67 ×x 10° mm3
%3D
Transcribed Image Text:A beam is simply supported and has a span of 12 m. The beam is a W33×240 with Ey=345 MPa. Compute the allowable (ASD) and ultimate (LRFD) uniformly distributed load that can be safely carried by the beam including its weight: A. If the compression flange has lateral supports only at its ends and the midspan. Express your answer in kN/m. (ASD) B. If the compression flange has lateral supports only at its ends and the midspan. Express your answer in kN/m. (LRFD) Properties of W33×240: Weight = 3.51 kN/m tw = 21.08 mm rx = 352.54 mm A = 45,548 mm? Ix = 5,660.75 × 10® mm* ry = 92.34 mm d = 850.9 mm ly = 388.34 × 10® mm* Jc = 14.51 x 10° mm %3D bị = 402.97 mm Sx = 13,322.68 x 10° mm3 ris = 105.92 mm t = 35.56 mm Sy = 1,933.67 ×x 10° mm3 %3D
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