PSAD SITUATION 62: Analysis of Steel Beam in Web Shear, Flexure and Deflection | CELE November 2024

Описание: CELE Past Board Exam Problem

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SITUATION: A 12-m long beam is simply supported at both ends. It is carrying a uniform load w (kN/m) including beam weight distributed throughout the span, along with two concentrated load P = 30 kN located 3 m from each end of the span.
Given:
Properties of W 540 mm x 150 kg/m
Area, A = 19,225 mm2
Depth, d = 540 mm
Flange width, bf = 310 mm
Flange thickness, tf = 20 mm
Web thickness, tw = 12.5 mm
Elastic Section Modulus
Sx = 3.72 x 106 mm3; Sy = 0.66 x 106 mm3
E = 200 GPa
1. Compute the maximum w (kN/m) based on shear. Allowable web shear, Fvw = 88 MPa.
A. 94.0 C. 101.6
B. 97.5 D. 43.5

2. Compute the maximum w (kN/m) based on moment. Allowable bending stress, Fb = 135 MPa.
A. 16.4 C. 28.5
B. 22.9 D. 19.3

3. What should be the camber (mm) at the midspan due to P only?
A. 6.60 C. 7.40
B. 3.60 D. 5.40

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