Use of this Table, see Table XIX.

Axis Normal to Web.Table XXI And Steel Channels 100290

Intertia.

(r)

Moment of Resistance.

(r)

Square of Radius of Gyration.

(ρ2)

Transverse Value (v) in lbs.

For Iron.

For Steel.

24.0

70.00

29.20

560000

700000

67.5

62.80

31.30

498400

623000

!0.7

88.09

2 s8.73

705000

881000

54.6

73.94

2 7.7:3

591500

739400

S6.0

78.13

30.84

625000

781300

27.0

70.26

30.08

562080

702600

9.1

59.88

29.94

479000

598800

6.0

50.13

81.33

401000

501300

9.4

55.41

19.07

448300

554100

1.6

47.64

20.83

381000

476400

4.3

35.00

21.40

280000

350000

8.9

27.70

21.10

221600

277000

3.2

25.08

21.89

200000

250300

5.7

39.29

15.72

314200

392900

1.5

30.25

20.16

242000

302500

3.7

20.62

20.79

164960

206200

9.4

24.64

12.32

197000

246400

6.0

22.10

15.50

176800

221000

8.4

16.84

14.73

134700

168400

7.0

16.60

15.90

132800

166000

0.0

28.00

10.82

224000

280000

8.6

25.72

11.59

205760

257200

0.5

20.10

10.92

161000

201000

7.4

19.47

12.98

155760

194700

3.2

14.63

12.84

117040

146300

4.0

12.80

13.33

102400

128000

8.7

24.16

9.97

193300

241600

9.1

19.80

9.92

158400

198000

2.1

18.24

11.73

146000

182400

8.8

13.07

11.76

104600

130700

2.0

9.33

11.42

74640

93300

4.5

16.14

7.67

129100

161400

0.l

15.03

8.12

120200

150300

8.4

12.10

7.81

97000

121000

4.5

11.12

9.89

89000

111200

8.2

7.06

9.55

56480

70600

7.9

10.83

6.30

86640

108300

5.6

7.31

5.5 7

58500

73100

7.1

7.74

7.53

62000

77400

7.6

5.03

7.05

40240

50300

8.0

9.33

4.24

74600

93300

3.4

7.80

4.33

62400

78000

1.7

7.23

4.82

58000

72300

7.2

5.73

5.21

46000

57300

0.4

3.47

4.74

27760

34 700

3.4

5.34

3.17

4 2720

53400

0.3

4.12

3.03

33000

41200

0.5

2.80

Axis Paralled to Web. Table XXI And Steel Channels 100291

Moment of

Intertia. (r)

Moment of Resistance.

(r)

Square of Reius of Gyration.

(ρ2)

Distance of

Neutal Axis from Back of Well.

Transverse

Value of in lbs.

For Iron.

For

Steel

21.60

6.93

1.21

1.06

55600

69500

19.70

6.84

1.32

1.09

54720

68400

37.56

10.05

1.63

1.2S

80500

100500

23.61

7.15

1.18

1.08

5 7200

71500

32.25

9.24

1.70

1.26

74000

92400

31.41

8.92

1.80

1.23

71360

89200

18.27

6.09

1.22

1.00

48720

60900

14.47

4.74

1.21

0.95

38000

474oo

20.65

6.55

1.16

1.16

52500

65500

17.87

6.20

1.28

1.12

49600

62000

8.93

3.68

0.88

0.86

29440

36800

5.44

2.39

0.67

0.73

19120

23900

5.04

2.24

0.72

0.755

18000

22400

8.44

3.13

0.56

0.80

25040

31300

7.11

3.29

0.79

0.84

26320

82900

3.22

1.62

0.55

0.62

12960

16200

4.96

1.98

0.47

0.69

16000

19800

5.20

2.55

0.71

0.80

20400

25500

3.84

1.81

0.64

0 63

14500

18100

3.20

1.70

0.58

0.70

13600

1 7000

7.79

2.93

0.61

0.84

23440

29300

5.26

2.35

0.47

0.76

18800

23500

3.02

1.31

0.33

0.626

10500

13100

3.51

1.78

0.47

0 66

14240

1 7800

1.97

1.15

0.35

0.53

9200

11500

2.20

1.14

0.46

0.565

9100

11400

7.30

2.75

0.67

0.91

22000

27500

4.25

2.02

0.47

0.73

16160

20200

5.35

2.35

0.76

0.85

18800

23500

2.53

1.35

0.51

0.63

10800

13500

1.52

0.99

0.41

0.55

7920

9900

4.00

1.98

0.48

0.73

15840

19800

3.53

1.69

0.48

0.755

13500

16900

1.94

0.98

0.31

0.584

7S40

9800

2.54

1.46

0.56

0.76

1 1 7oo

14600

1.06

0.71

0.36

0.50

5680

7100

2.85

1.53

0.48

0.68

12240

15300

1.11

0.62

0.24

0.51

4960

6200

1.96

1.10

0.54

0.715

8800

11000

0.75

0.49

0.30

0.470

3920

4900

2.95

1.43

0.45

0.788

11440

14300

1.84

0.95

0.34

0.662

7600

9500

2.12

1.20

0.47

0.725

9600

12000

1.30

0.80

0.39

0.630

6400

8000

0.62

0.46

0.28

0.400

3680

4600

1.50

0.94

0.36

0.640

7520

9400

0.63

0.44

0.19

0.493

3520

4400