Vulcraft Steel Roof and Floor Deck Catalog - University of Maryland ...

0.6C & 1.0C DECK WITH TYPE II INSULATING FILL
ALLOWABLE DIAPHRAGM SHEAR STRENGTH (PLF)
SUPPORT FASTENERS: Welds
f’c = 125 PSI
SIDELAP FASTENERS: #10 TEK screws t=2.5” (min.) Factor of safety = 3.25
Fastener SPAN (FT.-IN.) K1
Layout * 1’-6 2’-0 2’-6 3’-0 3’-6 4’-0 4’-6 5’-0 5’-6 0.6CSV 1.0CSV
Type 28 0 585 493 439 402 376 357 342 329 0.620 0.563
1 650 543 478 435 404 381 364 349 337 0.433 0.394
weld washers 2 716 592 518 468 433 406 385 369 355 0.333 0.303
30/4 for 0.6C 3 781 641 557 501 461 431 407 389 373 0.271 0.246
33/4 for 1.0C 4 847 690 596 534 489 455 429 408 391 0.228 0.207
K2 = 440 K3 = 260
Type 26 0 692 574 503 456 422 397 377 362 0.681 0.619
1 771 633 551 495 456 427 404 385 370 0.476 0.432
weld washers 2 850 692 598 535 490 456 430 409 392 0.365 0.332
30/4 for 0.6C 3 929 752 645 574 524 486 456 433 413 0.297 0.270
33/4 for 1.0C 4 1008 811 693 614 558 516 483 456 435 0.250 0.227
K2 = 530 K3 = 260
Type 24 0 936 757 650 578 527 489 459 435 0.783 0.711
1 1041 836 713 631 572 528 494 467 444 0.548 0.498
weld washers 2 1147 915 776 683 617 568 529 498 473 0.421 0.383
30/4 for 0.6C 3 1252 994 839 736 662 607 564 530 502 0.342 0.311
33/4 for 1.0C 4 1358 1073 903 789 708 647 599 561 530 0.288 0.262
K2 = 700 K3 = 260
Type 22 0 749 617 537 484 447 418 396 379 0.875 0.795
1 879 714 615 549 502 467 440 418 400 0.611 0.556
5/8” spot welds 2 1009 812 693 614 558 516 483 457 435 0.470 0.427
30/4 for 0.6C 3 1139 909 771 680 614 565 526 496 471 0.382 0.347
33/4 for 1.0C 4 1269 1007 849 745 670 613 570 535 506 0.321 0.292
K2 = 870 K3 = 260
1.3C DECK WITH TYPE II INSULATING FILL
ALLOWABLE DIAPHRAGM SHEAR STRENGTH ( PLF)
SUPPORT FASTENERS: Welds
f’c = 125 PSI
SIDELAP FASTENERS: #10 TEK screws t=2.5” (min.) Factor of safety = 3.25
Fastener
SPAN (FT.-IN.)
Layout * 1’-6 2’-0 2’-6 3’-0 3’-6 4’-0 4’-6 5’-0 5’-6 6’-0 K1
Type 26 0 723 597 522 471 435 409 388 371 0.596
1 802 656 569 511 469 438 414 395 379 366 0.425
weld washers 2 881 715 616 550 503 468 440 418 400 385 0.330
32/4 for 1.3C 3 960 775 664 590 537 497 467 442 422 405 0.270
4 1038 834 711 629 571 527 493 466 443 425 0.228
5 1117 893 759 669 605 557 519 489 465 444 0.198
K2 = 530 K3 = 260
Type 24 0 983 792 678 601 547 506 474 449 0.685
1 1088 871 741 654 592 546 509 481 457 437 0.489
weld washers 2 1193 950 804 707 637 585 545 512 486 463 0.380
32/4 for 1.3C 3 1299 1029 867 760 682 625 580 544 514 490 0.311
4 1404 1108 931 812 728 664 615 575 543 516 0.263
5 1510 1187 994 865 773 704 650 607 572 543 0.228
K2 = 700 K3 = 260
Type 22 0 783 642 558 502 461 431 408 389 0.765
1 913 740 636 567 517 480 451 428 409 393 0.546
5/8” spot welds 2 1043 837 714 632 573 529 495 467 445 426 0.424
32/4 for 1.3C 3 1173 935 792 697 629 578 538 506 480 458 0.347
4 1303 1033 870 762 684 626 581 545 516 491 0.293
5 1433 1130 948 827 740 675 625 584 551 523 0.254
K2 = 870 K3 = 260
Type 20 0 896 727 626 558 510 474 445 423 0.846
1 1054 846 720 637 578 533 498 470 448 429 0.603
5/8” spot welds 2 1212 964 815 716 645 592 551 518 491 468 0.468
32/4 for 1.3C 3 1370 1082 910 795 713 651 603 565 534 508 0.383
4 1528 1201 1005 874 781 711 656 612 577 547 0.324
5 1686 1319 1100 953 848 770 709 660 620 587 0.281
K2 = 1056 K3 = 260
* = number of sidelap fasteners per span
K 2
G' =
+ K 3 , Kips/inch
3.20 + 3*K 1 * SPAN
SPAN is in feet
89