| Search |
|
|
|
| |
| Site Navigation |
|
|
|
| News / Publications |
|
|
|
| Jobs | |
|
|
| Service |
|
|
|
|
|
|
| |
|
| |
  Willamette StrucJoist SJ-32-42-55 StrucJoist SJ-32-42-55 - Page 14
| TABLE 5-StrucJoist ALLOWABLE FLOOR
SPANS FOR FLANGE GRADE AA |
LIVE LOAD = 40 PSF |
| Simple Span
L/480 LL Defl. Load = 10psf (12 psf @ 55) |
| SERIES |
DEPTH |
12" oc |
16"oc |
19.2" oc |
24" oc |
| SJ-15 |
9-1/2" 11-7/8" |
17' 5" 20' 9" |
15' 11" 19' 0" |
15' 0" 17' 11" |
14' 1" 16' 10" |
| SJ-25 |
9-1/2" 11-7/8"
14"
16" |
18' 2" 21' 8"
24' 8"
27' 5" |
16' 7" 19' 9"
22' 6"
25' 0" |
15' 8" 18' 8"
21' 3"
23' 7" |
14' 8" 17' 5"
19' 11"
21' 0" |
| SJ-35 |
11-7/8" 14''
16" |
23' 4" 26' 7"
29' 6" |
21' 3" 24' 3"
26' 11" |
20' 1" 22' 10"
25' 4" |
18' 9" 21' 4"
23' 8" |
| SJ-55 |
11-7/8" 14"
16" |
26' 5" 30' 1"
33' 4" |
24' 1" 27' 4"
30' 3" |
22' 8" 25' 9"
28' 6" |
21' 1" 24' 0"
26' 7" |
| Simple Span
L/480 LL Defl. Dead Load = 20psf (22 psf @ 55 ) |
| SJ-15 |
9-1/2" 11-7/8" |
17' 5" 20' 9" |
15' 11" 19' 0" |
15' 0" 17' 11" |
13' 9" 15' 11" |
| SJ-25 |
9-1/2" 11-7/8"
14"
16'' |
18' 2" 21' 8"
24' 8"
27' 5" |
16' 7" 19' 9"
22' 6"
25' 0" |
15' 8" 18' 8"
21' 3"
21' 10" |
14' 8" 17' 3"
17' 5"
17' 5" |
| SJ-35 |
11-7/8" 14"
16" |
23' 4" 26' 7"
29' 6" |
21' 3" 24' 3"
26' 11" |
20' 1" 22' 10"
25' 4" |
18' 9" 20' 7"
20' 7" |
| SJ-55 |
11-7/8" 14"
16" |
26' 5" 30' 1"
33' 4" |
24' 1" 27' 4"
30' 3" |
22' 8" 25' 9"
28' 1" |
21' 1" 22' 5"
22' 5" |
| Simple Span
L/360 LL Defl. Dead Load = 10 psf (12 psf @ 55) |
| SJ-15 |
9-1/2" 11-7/8" |
19' 3" 23' 0" |
17' 7" 21' 0" |
16' 8" 19' 6" |
15' 0" 17' 5" |
| SJ-25 |
9-1/2" 11-7/8"
14"
16" |
20' 1" 23' 11"
27' 4"
30' 4" |
18' 4" 21' 11"
24' 11"
27' 8" |
17' 4" 20' 8"
23' 8"
25' 5" |
16' 3" 18' 11"
21' 0"
21' 0" |
| SJ-35 |
11-7/8" 14"
16" |
25' 10" 29' 5"
32' 7" |
23' 7" 26' 10"
29' 9" |
22' 3" 25' 3"
28' 1" |
20' 9" 23' 8"
24' 9" |
| SJ-55 |
11-7/8" 14"
16" |
29' 3" 33' 3"
36' 10" |
26' 7" 30' 3"
33' 6" |
25' 1" 28' 6"
31' 7" |
23' 5" 26' 7"
26' 9" |
| Simple Span
L/360 LL Defl. Dead Load = 20 psf (22 psf @ 55) |
| SJ-15 |
9-1/2" 11-7/8" |
19' 3" 22' 6" |
16' 10" 19' 6" |
15' 4" 17' 9" |
13' 9" 15' 11" |
| SJ-25 |
9-1/2" 11-7/8"
14"
16" |
20' 1" 23' 11"
27' 1"
29' 5" |
18' 3" 21' 2"
23' 6"
25' 5" |
16' 8" 19' 3"
21' 5"
21' 10" |
14' 11" 17' 3"
17' 5"
17' 5" |
| SJ-35 |
11-7/8" 14"
16" |
25' 10" 29' 5"
32' 7" |
23' 7" 26' 10"
29' 5" |
22' 3" 24' 8"
25' 10" |
19' 11" 20' 7"
20' 7" |
| SJ-55 |
11-7/8" 14"
16" |
29' 3" 33' 3"
36' 10" |
26' 7" 30' 3"
33' 6" |
25' 1" 28' 1"
28' 1" |
22' 5" 22' 5"
22' 5" |
| Multiple
Span L/480 LL Defl. Dead Load =10 psf ( (12 psf @ 55) |
| SERIES |
DEPTH |
12" oc |
16" oc |
19.2" oc |
24" oc |
| SJ-15 |
9-1/2" 11-7/8" |
19' 0" 22' 9" |
17' 4" 20' 9" |
16' 5" 19' 3" |
15' 0" 15' 5" |
| SJ-25 |
9-1/2" 11-7/8"
14"
16" |
19' 10" 23' 8"
27' 0"
30' 0" |
18' 1" 21' 7"
24' 8"
25' 3" |
17' 1" 20' 5"
21' 0"
21' 0" |
16' 0" 16' 9"
16' 9"
16' 9" |
| SJ-35 |
11-7/8" 14"
16" |
25' 6" 29' 1"
32' 3" |
23' 3" 26' 5"
29' 4" |
21' 11" 24' 9"
24' 9" |
19' 9" 19' 9"
19' 9" |
| SJ-55 |
11-7/8" 14"
16" |
28' 11" 32' 10"
36' 5" |
26' 3" 29' 10"
33' 1" |
24' 9" 28' 1"
31' 2" |
23' 0" 25' 9"
25' 9" |
| Multiple
Span L/480 LL Defl. Dead Load =20 psf ( 22 psf @ 55) |
| SJ-15 |
9-1/2" 11-7/8" |
19' 0" 22' 6" |
16' 10" 19' 3" |
15' 4" 16' 0" |
12' 9" 12' 9" |
| SJ-25 |
9-1/2" 11-7/8"
14"
16" |
19' 10" 23' 8"
27' 0"
28' 1" |
18' 1" 21' 0"
21' 0"
21' 0" |
16' 8" 17' 5"
17' 5"
17' 5" |
13' 11" 13' 11"
13' 11"
13' 11" |
| SJ-35 |
11-7/8" 14"
16" |
25' 6" 29'1"
32' 3" |
23' 3" 24' 9"
24' 9" |
20' 7" 20' 7"
20' 7" |
16' 5" 16' 5"
16' 5" |
| SJ-55 |
11-7/8" 14"
16" |
28' 11" 32'10"
36' 5" |
26' 3" 29' 10"
32' 5" |
24' 9" 27' 0"
27' 0" |
21' 7" 21' 7"
21' 7" |
| Multiple
Span L/480 LL Defl. Dead Load =10 psf (12 psf @ 55) |
| SJ-15 |
9-1/2" 11-7/8" |
21' 0" 24' 8" |
16' 5" 21' 4" |
16' 10" 19' 3" |
15' 0" 15' 5" |
| SJ-25 |
9-1/2" 11-7/8"
14"
16" |
21' 11" 26' 2"
29' 9"
32' 3" |
20' 0" 23' 2"
25' 3"
25' 3" |
18' 3" 21' 0"
21' 0"
21' 0" |
16' 4" 16' 9"
16' 9"
16' 9" |
| SJ-35 |
11-7/8" 14"
16" |
28' 3" 32' 2"
35' 8" |
25' 9" 29' 4"
29' 9" |
24' 4" 24' 9"
24' 9" |
19' 9" 19' 9"
19' 9" |
| SJ-55 |
11-7/8" 14"
16" |
32' 0" 36' 4"
40' 3" |
29' 1" 33' 1"
36' 7" |
27' 5" 31' 2"
32' 3" |
25' 7" 25' 9"
25' 9" |
| Multiple
Span L/480 LLDefl. Dead Load =20 psf (22 psf @ 55) |
| SJ-15 |
9-1/2" 11-7/8" |
19' 5" 22' 6" |
16' 10" 19' 3" |
15' 4" 16' 0" |
12' 9" 12' 9" |
| SJ-25 |
9-1/2" 11-7/8"
14"
16" |
21' 1" 24' 5"
27' 1"
28' 1" |
18' 3" 21' 0"
21' 0"
21' 0" |
16' 8" 17' 5"
17' 5"
17' 5" |
13' 11" 13' 11"
13' 11"
13' 11" |
| SJ-35 |
11-7/8" 14"
16" |
28' 3" 31' 4"
33' 1" |
24' 5" 24' 9"
24' 9" |
20' 7" 20' 7"
20' 7" |
16' 5" 16' 5"
16' 5" |
| SJ-55 |
11-7/8" 14"
16" |
32' 0" 36' 4"
40' 3" |
29' 1" 32' 5"
32' 5" |
27' 0" 27' 0"
27' 0" |
21' 7" 21' 7"
21' 7" |
- Spans are based on sheathing glued and nailed to the framing
as described in Section 7.8 of this report. Reduce spans 10 inches for nailed sheathing
only.
- Spans are based on clear distance between supports. Exterior
spans in multiple span applications shall be at least 40% of adjacent span.
- Spans are based on 1-3/4 inch exterior reactions without web
stiffeners and 3 -1/2 inch interior reactions without web stiffeners.
- L/360 spans are limited to the corresponding L/480 spans
when used In conjunction with Figure 8.
|
Copyright © 1996–2008 AECinfo.com
|
|
