Determine the centroidal moment of inertia of the built up section along x and y asix.
Determine the centroidal moment of inertia of the built up section along x and y asix.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Determine the centroidal moment of inertia of the built up section along x
and y asix.
45mm x 30mm x 6mm
C310 x 45
150 mm x 10mm
Transcribed Image Text:TABLE B-4 PROPERTIES OF CHANNEL SECTIONS: SI UNITS
Axis X-X
Axis Y-Y
Flange
Theoretical
Web
S-
S-
Area
-VTJA
- VIJA
Depth
(mm)
mass
Width
Thickness
(mm)
thickness
Designation.
(kg/m)
(mm)
(mm)
(mm)
(10° mm) (10° mm)
(mm)
(10 mm)
(10° mm)
(mm)
(mm)
C380 x74
74.4
9 480
7 570
6 430
381
381
94
16.5
18.2
168
881
133
4.60
62.4
22.0
20.3
X60
59.4
89
16.5
13.2
145
760
138
143
3.84
3.39
55.5
51.4
22.5
19.7
20.0
x50
50.5
381
86
16.5
10.2
131
687
23.0
C310 X45
44.7
5 690
305
80
12.7
13.0
67.3
442
109
2.12
33.6
19.3
17.0
x37
X31
37.1
4 720
305
77
12.7
9.8
59.9
393
113
1.85
30.9
19.8
17.1
30.8
3 920
305
74
12.7
7.2
53.5
351
117
1.59
28.2
20.1
17.5
C250 x45
16.3
15.7
44.5
5 670
4 750
254
76
11.1
17.1
42.8
337
86.9
1.60
1.40
26.8
16.8
X37
37.3
254
73
11.1
13.4
37.9
299
89.3
24.3
17.2
X30
29.6
3 780
254
69
9.6
32.7
257
93.0
1.16
-17.5
17.9
21.5
15.3
X23
22.6
2 880
254
65
111
6.1
27.8
219
98.2
0.922
18.8
15.9
C230 x30
29.8
3 800
229
67
10.5
11.4
25.5
222
81.9
1.01
16.3
19.3
16.8
14.8
14.9
15.1
X22
22.3
229
63
10.5
7.2
21.3
186
86.6
0.806
0.716
2 840
16.8
X20
19.8
2 530
229
61
10.5.
5.9
19.8
173
88.5
15.6
16.8
C200 x28
64
12.4
18.2
27.9
20.4
9.9
180
71.5
0.825
15.2
15.5
3 560
203
16.6
14.4
X21
59
9.9
7.7
14.9
0.627
147
133
75.7
13.9
12.8
14.0
2 600
2 170
203
X17
17.0
203
57
9.9
5.6
13.5
78.9
0.544
15.8
14.5
CI80 x22
14.3
14.4
14.8
21.9
0.568
0.476
0.405
178
58
9.3
10.6
11.3
127
63.8
12.8
13.5
X18
18.2
23:0
178
11.4
10.3
55
9.3
8.0
10.0
113
65.8
13.2
14.5
1 850
178
53
9.5
5.3
8.86
99.6
69.2
13.8
CI50 X19
19.2
2 450
152
54
8.7
7.12
0.425
10.3
13.2
12.9
11.1
93.7
53.9
X16
15.5
1980
15
87
80
622
910
$60
0351
913
13.3
12.6
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