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From [Institution name]
Joist Series | Joist Type |
Joist Depth (mm) |
Flange Dimension (mm) |
Flange Grade |
Web Thickness (mm) |
---|---|---|---|---|---|
PKI 10 |
PKI 10-10 |
241 |
38 × 63.5 |
Ripped 2 × 6 enhanced No. 2 spruce-pine-fir (S-P-F) and better S-P-F lumber |
9.5 |
PKI 10-12 |
302 |
38 × 63.5 |
9.5 |
||
PKI 10-14 |
356 |
38 × 63.5 |
9.5 |
||
PKI 20 |
PKI 20-10 |
241 |
38 × 63.5 |
Proprietary enhanced machine stress-rated (MSR) lumber |
9.5 |
PKI 20-12 |
302 |
38 × 63.5 |
9.5 |
||
PKI 20-14 |
356 |
38 × 63.5 |
9.5 |
||
PKI 20-16 |
406 |
38 × 63.5 |
9.5 |
||
PKI 23 |
PKI 23-10 |
241 |
38 × 63.5 |
Proprietary enhanced MSR lumber |
11.1 |
PKI 23-12 |
302 |
38 × 63.5 |
11.1 |
||
PKI 23-14 |
356 |
38 × 63.5 |
11.1 |
||
PKI 23-16 |
406 |
38 × 63.5 |
11.1 |
||
PKI 35 Plus |
PKI 35 Plus-10 |
241 |
38 × 89 |
Ripped 2 × 8 enhanced No. 2 S-P-F and better S-P-F lumber or 2 × 4 enhanced Douglas fir-larch (north) |
9.5 |
PKI 35 Plus-12 |
302 |
38 × 89 |
9.5 |
||
PKI 35 Plus-14 |
356 |
38 × 89 |
9.5 |
||
PKI 35 Plus-16 |
406 |
38 × 89 |
9.5 |
||
PKI 40 |
PKI 40-10 |
241 |
38 × 89 |
Proprietary enhanced MSR lumber |
9.5 |
PKI 40-12 |
302 |
38 × 89 |
9.5 |
||
PKI 40-14 |
356 |
38 × 89 |
9.5 |
||
PKI 40-16 |
406 |
38 × 89 |
9.5 |
||
PKI 40-18 |
457 |
38 × 89 |
11.1 |
||
PKI 40-20 |
508 |
38 × 89 |
11.1 |
||
PKI 40-22 |
559 |
38 × 89 |
11.1 |
||
PKI 40-24 |
610 |
38 × 89 |
11.1 |
||
PKI 50 |
PKI 50-12 |
302 |
38 × 89 |
Proprietary enhanced MSR lumber |
11.1 |
PKI 50-14 |
356 |
38 × 89 |
11.1 |
||
PKI 50-16 |
406 |
38 × 89 |
11.1 |
||
PKI 50-18 |
457 |
38 × 89 |
11.1 |
||
PKI 50-20 |
508 |
38 × 89 |
11.1 |
||
PKI 50-22 |
559 |
38 × 89 |
11.1 |
||
PKI 50-24 |
610 |
38 × 89 |
11.1 |
Joist Type | Depth (mm) |
Factored Moment Resistance (N·m) |
Factored Shear Resistance (N) |
EI × 106 (kN·mm2) |
K × 106 (N) |
---|---|---|---|---|---|
PKI 10-10 |
241 |
5 098 |
8 852 |
482 |
21.97 |
PKI 10-12 |
302 |
6 033 |
10 431 |
819 |
27.47 |
PKI 10-14 |
356 |
8 386 |
11 788 |
1 205 |
32.38 |
PKI 20-10 |
241 |
6 338 |
8 852 |
554 |
21.97 |
PKI 20-12 |
302 |
8 474 |
10 431 |
938 |
27.49 |
PKI 20-14 |
356 |
9 931 |
11 788 |
1 375 |
32.38 |
PKI 20-16 |
406 |
11 402 |
13 122 |
1 871 |
37.01 |
PKI 23-10 |
241 |
7 254 |
11 121 |
597 |
21.97 |
PKI 23-12 |
302 |
9 409 |
12 677 |
1 010 |
27.47 |
PKI 23-14 |
356 |
11 328 |
14 079 |
1 478 |
32.38 |
PKI 23-16 |
406 |
13 131 |
15 369 |
2 009 |
37.01 |
PKI 35 Plus-10 |
241 |
7 565 |
8 852 |
671 |
21.97 |
PKI 35 Plus-12 |
302 |
9 796 |
10 431 |
1 137 |
27.49 |
PKI 35 Plus-14 |
356 |
11 748 |
11 788 |
1 664 |
32.38 |
PKI 35 Plus-16 |
406 |
13 355 |
13 122 |
2 259 |
37.01 |
PKI 40-10 |
241 |
12 148 |
9 408 |
941 |
21.97 |
PKI 40-12 |
302 |
15 714 |
11 410 |
1 587 |
27.49 |
PKI 40-14 |
356 |
18 927 |
13 167 |
2 316 |
32.38 |
PKI 40-16 |
406 |
21 937 |
14 857 |
3 134 |
37.01 |
PKI 40-18 |
457 |
24 811 |
17 793 |
4 079 |
41.64 |
PKI 40-20 |
508 |
27 455 |
18 816 |
5 163 |
46.26 |
PKI 40-22 |
559 |
30 065 |
19 772 |
6 383 |
50.89 |
PKI 40-24 |
610 |
32 648 |
20 684 |
7 744 |
55.51 |
PKI 50-12 |
302 |
17 937 |
14 991 |
1 621 |
27.49 |
PKI 50-14 |
356 |
20 744 |
16 014 |
2 365 |
32.38 |
PKI 50-16 |
406 |
24 025 |
16 948 |
3 200 |
37.01 |
PKI 50-18 |
457 |
28 798 |
17 793 |
4 170 |
41.64 |
PKI 50-20 |
508 |
31 963 |
18 816 |
5 276 |
46.26 |
PKI 50-22 |
559 |
32 899 |
19 772 |
6 523 |
50.89 |
PKI 50-24 |
610 |
35 726 |
20 684 |
7 912 |
55.51 |
Joist Type | Depth (mm) |
End Reaction (N) |
Intermediate Reaction (N) |
||||||
---|---|---|---|---|---|---|---|---|---|
38 mm or 64 mm BearingFootnote (4) |
102 mm BearingFootnote (5) |
89 mm Bearing |
140 mm Bearing |
||||||
Bearing Stiffeners |
Bearing Stiffeners |
Bearing Stiffeners |
Bearing Stiffeners |
||||||
No |
Yes |
No |
Yes |
No |
Yes |
No |
Yes |
||
PKI 10-10 |
241 |
6 316 |
8 007 |
7 784 |
8 852 |
15 413 |
16 014 |
17 192 |
17 682 |
PKI 10-12 |
302 |
6 316 |
8 941 |
8 140 |
10 431 |
15 413 |
17 437 |
17 726 |
19 728 |
PKI 10-14 |
356 |
6 316 |
9 786 |
8 429 |
11 788 |
15 413 |
18 705 |
18 149 |
20 782 |
PKI 20-10 |
241 |
6 806 |
8 007 |
7 784 |
8 852 |
15 413 |
16 681 |
17 192 |
18 505 |
PKI 20-12 |
302 |
6 806 |
8 941 |
8 140 |
10 431 |
16 369 |
17 726 |
18 215 |
19 861 |
PKI 20-14 |
356 |
6 806 |
9 786 |
8 429 |
11 788 |
17 237 |
18 705 |
19 127 |
21 107 |
PKI 20-16 |
406 |
6 806 |
10 609 |
8 696 |
13 122 |
18 038 |
19 617 |
20 017 |
22 286 |
PKI 23-10 |
241 |
7 362 |
10 031 |
9 475 |
10 542 |
16 903 |
19 439 |
20 017 |
22 530 |
PKI 23-12 |
302 |
7 362 |
10 320 |
10 075 |
11 788 |
16 903 |
19 439 |
20 017 |
23 020 |
PKI 23-14 |
356 |
7 362 |
10 565 |
10 431 |
12 944 |
16 903 |
19 439 |
20 017 |
23 442 |
PKI 23-16 |
406 |
7 362 |
10 809 |
10 542 |
14 034 |
16 903 |
19 439 |
20 017 |
23 865 |
PKI 35 Plus-10 |
241 |
6 316 |
8 007 |
7 784 |
8 852 |
15 413 |
16 014 |
17 192 |
17 682 |
PKI 35 Plus-12 |
302 |
6 316 |
8 941 |
8 140 |
10 431 |
15 413 |
17 437 |
17 726 |
19 728 |
PKI 35 Plus-14 |
356 |
6 316 |
9 786 |
8 429 |
11 788 |
15 413 |
18 705 |
18 149 |
20 782 |
PKI 35 Plus-16 |
406 |
6 316 |
10 609 |
8 585 |
13 100 |
15 413 |
20 217 |
18 571 |
21 796 |
PKI 40-10 |
241 |
8 318 |
9 408 |
9 163 |
9 408 |
20 351 |
21 730 |
20 640 |
22 441 |
PKI 40-12 |
302 |
8 741 |
10 609 |
11 210 |
11 410 |
21 240 |
23 442 |
21 907 |
24 688 |
PKI 40-14 |
356 |
8 985 |
11 654 |
11 210 |
13 167 |
21 641 |
25 021 |
23 020 |
26 712 |
PKI 40-16 |
406 |
9 074 |
12 633 |
11 210 |
14 857 |
22 063 |
26 511 |
24 109 |
28 647 |
PKI 40-18 |
457 |
9 186 |
14 457 |
11 788 |
17 904 |
19 995 |
30 092 |
24 109 |
34 896 |
PKI 40-20 |
508 |
9 186 |
15 324 |
11 788 |
18 527 |
19 995 |
30 960 |
24 109 |
34 896 |
PKI 40-22 |
559 |
9 186 |
16 214 |
11 788 |
19 194 |
19 995 |
31 805 |
24 109 |
34 896 |
PKI 40-24 |
610 |
9 186 |
17 126 |
11 788 |
19 861 |
19 995 |
32 583 |
24 109 |
34 896 |
PKI 50-12 |
302 |
8 741 |
10 609 |
11 210 |
11 410 |
21 240 |
23 442 |
21 907 |
24 688 |
PKI 50-14 |
356 |
8 985 |
11 654 |
11 210 |
13 167 |
21 641 |
25 021 |
23 020 |
26 712 |
PKI 50-16 |
406 |
9 074 |
12 633 |
11 210 |
14 857 |
22 063 |
26 511 |
24 109 |
28 647 |
PKI 50-18 |
457 |
9 186 |
14 457 |
11 788 |
17 904 |
19 995 |
30 092 |
24 109 |
34 896 |
PKI 50-20 |
508 |
9 186 |
15 324 |
11 788 |
18 527 |
19 995 |
30 960 |
24 109 |
34 896 |
PKI 50-22 |
559 |
9 186 |
16 214 |
11 788 |
19 194 |
19 995 |
31 805 |
24 109 |
34 896 |
PKI 50-24 |
610 |
9 186 |
17 126 |
11 788 |
19 861 |
19 995 |
32 583 |
24 109 |
34 896 |