9.16 Figure (a) shows the cross-sectional dimensions of a structural steel section known as C-channel with a nominal depth of 100 mm. The following are properties for the cross section: A=588 mm², Īx = 78.9 x 10¹mm, and Īy = 2.81 x 10mm*. If two of these channels are welded together as shown in Fig. (b), find Ix and Īy for the resulting cross section. 100 mm C 6.06 mm x -3.79 mm 27.39 mm (a) Fig. P9.16 (b)

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Ans: Ix = 157.8 × 104 mm4, ¯Iy = 9.94 × 104 mm4 

9.16 Figure (a) shows the cross-sectional dimensions of a structural steel
section known as C-channel with a nominal depth of 100 mm. The following
are properties for the cross section: A=588 mm², Īx = 78.9 x 10¹mm, and
Īy = 2.81 x 10 mm*. If two of these channels are welded together as shown in
Fig. (b), find Ix and Īy for the resulting cross section.
100 mm
C
6.06 mm
x
-3.79 mm
27.39 mm
(a)
Fig. P9.16
y
(b)
Transcribed Image Text:9.16 Figure (a) shows the cross-sectional dimensions of a structural steel section known as C-channel with a nominal depth of 100 mm. The following are properties for the cross section: A=588 mm², Īx = 78.9 x 10¹mm, and Īy = 2.81 x 10 mm*. If two of these channels are welded together as shown in Fig. (b), find Ix and Īy for the resulting cross section. 100 mm C 6.06 mm x -3.79 mm 27.39 mm (a) Fig. P9.16 y (b)
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