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HSS LRFD composite load tables - Pirate4x4.Com

HSS LRFD composite load tables - Pirate4x4.Com

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ERW<br />

Nominal Size<br />

Wall Thickness<br />

Weight Per Foot<br />

Design Wall Thickness<br />

0<br />

4<br />

5<br />

6<br />

7<br />

8<br />

9<br />

10<br />

11<br />

12<br />

13<br />

14<br />

15<br />

<strong>LRFD</strong> Composite Columns<br />

Rectangular <strong>HSS</strong><br />

Axial Design Strength in Kips<br />

f’c = 5.0<br />

8 x 6 8 x 4<br />

5/8 1/2 3/8 5/16 1/4 5/8 1/2 3/8 5/16 1/4<br />

50.81 42.05 32.58 27.59 22.42 42.30 35.24 27.48 23.34 19.02<br />

0.581 0.465 0.349 0.291 0.233 0.581 0.465 0.349 0.291 0.233<br />

F y = 46 ksi<br />

666 582 490 442 392 527 459 383 343 301<br />

645 564 475 428 380 490 428 359 321 282<br />

633 554 467 421 373 471 412 346 309 272<br />

619 542 457 412 365 448 393 330 296 260<br />

603 528 446 401 356 422 372 313 280 247<br />

585 513 433 390 346 395 349 294 264 232<br />

565 496 419 377 334 366 324 274 246 217<br />

544 478 404 364 322 336 299 254 227 201<br />

521 458 388 349 309 306 273 233 209 184<br />

497 438 371 334 296 276 247 211 190 168<br />

472 417 353 318 282 246 222 191 171 152<br />

447 395 335 301 267 218 198 171 153 136<br />

422 373 317 285 252 191 175 151 136 121<br />

Effective length KL in feet<br />

16<br />

17<br />

18<br />

19<br />

20<br />

21<br />

22<br />

23<br />

24<br />

25<br />

26<br />

27<br />

28<br />

29<br />

30<br />

31<br />

32<br />

33<br />

34<br />

35<br />

36<br />

37<br />

38<br />

39<br />

40<br />

396 351 298 268 238 168 154 133 120 106<br />

370 328 280 252 223 149 136 118 106 94<br />

345 306 261 235 208 133 121 105 95 84<br />

320 285 243 219 194 119 109 94 85 75<br />

296 264 226 203 179 108 98 85 77 68<br />

272 243 208 187 166 98 89 77 70 62<br />

249 223 192 172 152 89 81 70 63 56<br />

228 204 175 157 139 81 74 64 58 51<br />

209 187 161 144 128 75 68 59 53 47<br />

193 173 148 133 118 69 63 55 49 44<br />

178 160 137 123 109 58 50 45 40<br />

165 148 127 114 101 ––– ––– 42 37<br />

154 138 118 106 94<br />

143 128 110 99 88<br />

134 120 103 92 82<br />

125 112 96 87 77<br />

118 105 91 81 72<br />

111 99 85 76 68<br />

104 93 80 72 64<br />

98 88 76 68 60<br />

93 83 72 64 57<br />

88 79 68 61 54<br />

75 64 58 51<br />

––– 61 55 48<br />

––– 52 46<br />

–––<br />

–––<br />

––– –––<br />

PROPERTIES<br />

r my (in.)<br />

r mx /r my<br />

φ b M nx (kip-ft)<br />

φ b M ny (kip-ft)<br />

P ex (K x L x ) 2 /10 4 (kip-ft 2 )<br />

P ey (K y L y ) 2 /10 4 (kip-ft 2 )<br />

2.27<br />

1.26<br />

125<br />

102<br />

25.5<br />

16.1<br />

2.32<br />

1.25<br />

105<br />

85.9<br />

22.8<br />

14.5<br />

2.38<br />

1.25<br />

83.1<br />

68.3<br />

19.4<br />

12.4<br />

2.40<br />

1.25<br />

71.1<br />

58.3<br />

17.4<br />

11.2<br />

2.43<br />

1.25<br />

58.3<br />

48.0<br />

15.4<br />

9.87<br />

1.51<br />

1.75<br />

94.5<br />

57.3<br />

17.6<br />

5.77<br />

1.56<br />

1.74<br />

81.1<br />

49.3<br />

15.9<br />

5.27<br />

1.61<br />

1.73<br />

64.9<br />

39.7<br />

13.6<br />

4.57<br />

1.63<br />

1.73<br />

55.5<br />

34.2<br />

12.3<br />

4.11<br />

1.66<br />

1.72<br />

45.9<br />

28.3<br />

10.8<br />

3.65<br />

Note: Heavy horizontal line indicates Kl/r limit of 200.<br />

38

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