Aisc design guide 15 rehabilitation and retrofit guide

Page 39

Table 2.2.2 Torsion Properties -- Steel Sections 1953-1970

Torsional Designation Constant J in.4

Normalized Warping Warping Constant (ECw/GJ)1/2= Constant Cw a Wno in.6 in. in.2

Warping Statical Moment Sw in.4

Statical Moment Qf in.3

Statical Moment Qw in.3

W33x240 W33x220 W33x200

36.60 28.20 21.10

240000 215000 190000

130 141 153

127 126 125

707 637 568

169 153 138

454 414 373

W30x210 W30x190 W30x172

28.50 21.20 15.70

160000 141000 124000

121 131 143

110 109 108

545 485 431

137 123 110

363 326 293

W27x177 W27x160 W27x145

20.10 14.90 11.20

94800 83700 74300

111 121 131

92.0 91.2 90.4

386 344 308

104 93.4 84.4

275 247 223

W24x160 W24x145 W24x130 W24x120 W24x110 W24x100 W24x61

16.5 12.2 8.67 8.27 6.45 4.87 1.66

73700 64900 56200 37500 33800 30100 4580

108 117 130 108 116 127 84.5

83.1 82.4 81.7 70.7 70.2 69.7 40.6

332 295 257 199 181 162 42.1

89.9 80.4 70.6 62.7 57.4 51.9 22.6

230 206 183 166 152 137 74.6

21WF55

1.26

4523

96.5

41.6

44.6

20.7

61.8

W18x114 W18x105 W18x96 W18x85 W18x77 W18x70 W18x64 W18x45

9.13 7.15 5.54 5.50 4.16 3.13 2.41 0.889

21000 18900 16900 7960 7070 6250 5600 2620

77.2 82.7 88.9 61.2 66.3 71.9 77.6 87.4

51.7 51.3 50.9 38.5 38.1 37.7 37.4 32.5

152 138 124 77.4 69.5 62.0 56.0 30.3

48.7 44.6 40.5 33.0 29.9 26.9 24.5 15.5

123 112 102 88.0 79.4 71.6 65.1 44.3

W16x96 W16x88 W16x78 W16x71 W16x64 W16x58

6.16 4.72 4.81 3.65 2.65 1.98

13400 11900 5520 4890 4280 3780

75.1 80.8 54.5 58.9 64.7 70.3

44.5 44.2 33.2 32.8 32.5 32.2

112 101 62.3 55.7 49.4 43.9

37.2 33.6 27.2 24.6 22.0 19.8

92.1 83.6 72.1 65.1 58.2 52.3

W14x314 W14x287 W14x264 W14x246 W14x237

140 108 85.3 69.7 62.6

90600 79400 70600 63900 60700

40.9 43.6 46.3 48.7 50.1

60.5 59.3 58.3 57.5 57.2

561 501 453 416 397

126.1 114.1 104.6 97.0 93.1

304 275 250 231 222

32 © 2003 by American Institute of Steel Construction, Inc. All rights reserved. This publication or any part thereof must not be reproduced in any form without permission of the publisher.


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