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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 />

Square <strong>HSS</strong><br />

Axial Design Strength in Kips<br />

f’c = 3.5<br />

10 x 10 9 x 9<br />

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

76.33 62.46 47.90 40.35 32.63 55.66 42.79 36.10 29.23<br />

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

F y = 46 ksi<br />

1020 880 735 658 580 762 635 567 498<br />

1010 870 727 651 574 752 627 559 491<br />

1000 865 722 647 570 746 622 555 487<br />

992 858 717 642 566 739 616 550 483<br />

983 850 710 636 561 731 609 544 477<br />

973 842 703 629 555 721 601 537 471<br />

961 832 695 622 548 711 593 529 464<br />

948 821 685 614 541 699 583 520 457<br />

934 809 676 605 533 686 573 511 449<br />

919 796 665 595 525 673 562 501 440<br />

902 782 653 585 515 658 550 491 431<br />

885 767 641 574 506 643 537 479 421<br />

867 752 629 563 496 627 524 468 410<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 />

848 736 615 551 485 610 510 455 400<br />

828 719 601 538 474 593 496 443 388<br />

808 701 587 525 463 575 481 430 377<br />

787 684 572 512 451 557 466 416 365<br />

765 665 557 498 439 538 451 403 353<br />

743 646 541 484 426 519 435 389 341<br />

721 627 525 470 414 500 420 375 328<br />

698 608 509 455 401 481 404 361 316<br />

675 588 493 441 388 462 388 346 303<br />

652 568 476 426 375 442 372 332 291<br />

629 548 460 411 362 423 356 318 278<br />

605 528 443 396 349 404 340 304 266<br />

582 508 427 381 335 385 324 290 254<br />

559 488 410 367 322 367 309 276 241<br />

536 469 394 352 309 348 294 263 230<br />

513 449 377 337 296 330 279 249 218<br />

491 430 361 323 284 313 264 236 206<br />

468 411 345 308 271 295 250 223 195<br />

447 392 330 294 259 278 235 211 184<br />

425 373 314 281 247 262 222 199 173<br />

404 355 299 267 235 248 210 188 164<br />

383 337 284 254 223 235 199 178 155<br />

363 319 270 240 211 223 188 169 147<br />

345 303 256 228 200 211 179 160 140<br />

328 288 243 217 191 201 170 152 133<br />

r m (in.)<br />

φ b M n (kip-ft)<br />

PROPERTIES<br />

3.80 3.86 3.92 3.94 3.97 3.45 3.51 3.54 3.56<br />

253 209 163 138 113 167 130 111 90.4<br />

P e (KL) 2 /10 4 (kip-ft 2 )<br />

70.3 61.9 52.2 46.6 40.9 43.1 36.5 32.7 28.5<br />

8

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