A lightly welded steel beam shown in Figure 5 is continuously supported along its length. A downward concentrated load of 5P acts at Point C, and two downward concentrated loads P act at Points A and E. The beam with full lateral restraint is bent about its major principal x-axis. Determine the followings: a. Section type based on section slenderness; b. Effective section modulus; c. The maximum design value of P. P ✓ A 6 m d B www tw bf 6 m tf C 5P 6 m D www. d = 550 mm bf= = 206 mm tw = 6 tf fyf = 300 MPa fyw = 320 MPa mm = 10 mm Zx=1362985 mm³ Sx=1533750 mm³ 6 m P E
A lightly welded steel beam shown in Figure 5 is continuously supported along its length. A downward concentrated load of 5P acts at Point C, and two downward concentrated loads P act at Points A and E. The beam with full lateral restraint is bent about its major principal x-axis. Determine the followings: a. Section type based on section slenderness; b. Effective section modulus; c. The maximum design value of P. P ✓ A 6 m d B www tw bf 6 m tf C 5P 6 m D www. d = 550 mm bf= = 206 mm tw = 6 tf fyf = 300 MPa fyw = 320 MPa mm = 10 mm Zx=1362985 mm³ Sx=1533750 mm³ 6 m P E
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A lightly welded steel beam shown in Figure 5 is continuously supported along its length. A downward concentrated load of 5P acts at Point C, and two downward concentrated loads P act at Points A and E. The beam with full lateral restraint is bent about its major principal x-axis. Find
Section type based on section slenderness;
Effective section modulus;
the maximum design value of P
Transcribed Image Text:A lightly welded steel beam shown in Figure 5 is continuously supported along its length. A downward concentrated load of 5P acts at Point C, and two downward concentrated
loads P act at Points A and E. The beam with full lateral restraint is bent about its major principal x-axis. Determine the followings:
a. Section type based on section slenderness;
b. Effective section modulus;
c. The maximum design value of P.
P
A
k
6 m
d
B
tw
bf
6 m
5P
bf
6 m
d = 550 mm
= 206 mm
D
www.
=
6
mm
= 10 mm
tw
tf
fyf = 300 MPa
fyw = 320 MPa
Zx=1362985 mm³
S 1533750 mm³
Figure 5 Steel beam under design loads.
6 m
P
E
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