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標準断面寸法 |
|
断面積 |
単位質量 |
重心位置 |
断面2次モーメント |
断面2次半径 |
断面係数 |
| |
（㎜） |
|
（㎝2） |
（kg/m） |
（㎝） |
（㎝4） |
（㎝） |
（㎝3） |
| H |
× |
B |
t1 |
t2 |
r1 |
r2 |
a |
w |
Cx |
Cy |
Ix |
Iy |
ix |
iy |
Zx |
Zy |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 75 |
× |
40 |
5 |
7 |
8 |
4 |
8.818 |
6.92
|
0 |
1.28
|
75.3
|
12.2
|
2.92
|
1.17
|
20.1
|
4.47
|
| 100 |
× |
50 |
5 |
7.5 |
8 |
4 |
11.92
|
9.36
|
0 |
1.54
|
188 |
26.0 |
3.97
|
1.48
|
37.6
|
7.52
|
| 125 |
× |
65 |
6 |
8 |
8 |
4 |
17.11
|
13.4
|
0 |
1.90
|
424 |
61.8
|
4.98
|
1.90
|
67.8
|
13.4
|
| 150 |
× |
75 |
6.5 |
10 |
10 |
5 |
23.71
|
18.6
|
0 |
2.28
|
861 |
117 |
6.03
|
2.22
|
115 |
22.4
|
| 150 |
× |
75 |
9 |
12.5 |
15 |
7.5 |
30.59 |
24.0 |
0 |
2.31 |
1050 |
147 |
5.86 |
2.19 |
140 |
28.3 |
| 180 |
× |
75 |
7 |
10.5 |
11 |
5.5 |
27.20
|
21.4
|
0 |
2.13
|
1380
|
131 |
7.12
|
2.19
|
153 |
24.3
|
| 200 |
× |
80 |
7.5 |
11 |
12 |
6 |
31.33
|
24.6
|
0 |
2.21
|
1950
|
168 |
7.88
|
2.32
|
195 |
29.1
|
| 200 |
× |
90 |
8 |
13.5 |
14 |
7 |
38.65
|
30.3
|
0 |
2.74
|
2490
|
277 |
8.02
|
2.68
|
249 |
44.2
|
| 250 |
× |
90 |
9 |
13 |
14 |
7 |
44.07
|
34.6
|
0 |
2.40
|
4180
|
294 |
9.74
|
2.58
|
334 |
44.5
|
| 250 |
× |
90 |
11 |
14.5 |
17 |
8.5 |
51.17 |
40.2 |
0 |
2.40 |
4680 |
329 |
9.56 |
2.54 |
374 |
49.9 |
| 300 |
× |
90 |
9 |
13 |
14 |
7 |
48.57
|
38.1
|
0 |
2.22
|
6440
|
309 |
11.5
|
2.52
|
429 |
45.7
|
| 300 |
× |
90 |
10 |
15.5 |
19 |
9.5 |
55.74 |
43.8 |
0 |
2.34 |
7410 |
360 |
11.5 |
2.54 |
494 |
54.1 |
| 300 |
× |
90 |
12 |
16 |
19 |
9.5 |
61.90 |
48.6 |
0 |
2.28 |
7870 |
379 |
11.3 |
2.48 |
525 |
56.4 |
| 380 |
× |
100 |
10.5 |
16 |
18 |
9 |
69.39
|
54.5
|
0 |
2.41
|
14500
|
535 |
14.5
|
2.78
|
763 |
70.5
|
| 380 |
× |
100 |
13 |
16.5 |
18 |
9 |
78.96 |
62.0 |
0 |
2.33 |
15600 |
565 |
14.1 |
2.67 |
823 |
73.6 |
| 380 |
× |
100 |
13 |
20 |
24 |
12 |
85.71 |
67.3 |
0 |
2.54 |
17600 |
655 |
14.3 |
2.76 |
926 |
87.8 |
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断面二次モーメントI ＝ ai2
断面二次半径 i ＝ √(I/a)
断面係数 Z ＝ I÷e
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