A steel beam 10 m long is fixed at both ends and carries a superimposed uniformly distributed load of 25 kN/m. The beam is W18x46 whose relevant properties are shown below. Properties of W18x46 = 153.9 mm Flange width, br Flange thickness, tr Overall depth, d = 15.4 mm = 458.7 mm Web thickness, tw = 9.1 mm Beam weight = 68.5 kg/m Moment of inertia, Ix = 296,357x10³ mm Which of the following most nearly gives the maximum bending stress in the beam? a. 165.56 MPa C. 161.23 MPa b. 157.40 MPa d. 152.81 MPa Which of the following most nearly gives the average shear stress in the web? a. 30.75 MPa C. 34.92 MPa b. 33.58 MPa d. 36.74 MPa Which of the following most nearly gives the maximum shear stress in the beam? 36.74 MPa a. 34.92 MPa C. b. 30.75 MPa d. 33.58 MPa Situation 23: 80. 81. 82.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Situation 23:
80.
81.
82.
A steel beam 10 m long is fixed at both ends and carries a superimposed
uniformly distributed load of 25 kN/m. The beam is W18x46 whose
relevant properties are shown below.
Properties of W18x46
=
153.9 mm
=
15.4 mm
Flange width, br
Flange thickness, tr
Overall depth, d
Web thickness, tw
Beam weight
=
458.7 mm
=
9.1 mm
=
68.5 kg/m
296,357x10³ mm
Moment of inertia, Ix
Which of the following most nearly gives the maximum bending stress in the
beam?
a.
165.56 MPa
C.
161.23 MPa
b.
157.40 MPa
d.
152.81 MPa
Which of the following most nearly gives the average shear stress in the web?
a.
30.75 MPa
C.
34.92 MPa
b.
33.58 MPa
d.
36.74 MPa
Which of the following most nearly gives the maximum
shear stress in the beam?
36.74 MPa
a.
34.92 MPa
C.
b.
30.75 MPa
d.
33.58 MPa
Transcribed Image Text:Situation 23: 80. 81. 82. A steel beam 10 m long is fixed at both ends and carries a superimposed uniformly distributed load of 25 kN/m. The beam is W18x46 whose relevant properties are shown below. Properties of W18x46 = 153.9 mm = 15.4 mm Flange width, br Flange thickness, tr Overall depth, d Web thickness, tw Beam weight = 458.7 mm = 9.1 mm = 68.5 kg/m 296,357x10³ mm Moment of inertia, Ix Which of the following most nearly gives the maximum bending stress in the beam? a. 165.56 MPa C. 161.23 MPa b. 157.40 MPa d. 152.81 MPa Which of the following most nearly gives the average shear stress in the web? a. 30.75 MPa C. 34.92 MPa b. 33.58 MPa d. 36.74 MPa Which of the following most nearly gives the maximum shear stress in the beam? 36.74 MPa a. 34.92 MPa C. b. 30.75 MPa d. 33.58 MPa
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