ASD/LRFD Manual - American Wood Council
ASD/LRFD Manual - American Wood Council
ASD/LRFD Manual - American Wood Council
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>ASD</strong>/<strong>LRFD</strong> MANUAL FOR ENGINEERED <strong>Wood</strong> Construction<br />
153<br />
Table M16.2-7 Design Load Ratios for Tension Members Exposed on Three Sides<br />
(Structural Calculations at Standard Reference Conditions: C D = 1.0, C M = 1.0, C t = 1.0, C i = 1.0)<br />
(Protected Surface in Width Direction)<br />
Table M16.2-7A Southern Pine Glued Structural Laminated<br />
Timbers<br />
Table M16.2-7B Western Species Structural Glued Laminated<br />
Timbers<br />
Rating 1-HOUR 1.5-HOUR 2-HOUR Rating 1-HOUR 1.5-HOUR 2-HOUR<br />
Beam Width 5 6.75 8.5 10.5 6.75 8.5 10.5 8.5 10.5 Beam Width 5.125 6.75 8.75 10.75 6.75 8.75 10.75 8.75 10.75<br />
Beam Depth Design Load Ratio, R s Beam Depth Design Load Ratio, R s<br />
5.5 0.63 0.72 0.78 0.82 0.16 0.18 0.20 6 0.74 0.84 0.91 0.95 0.30 0.34 0.36<br />
6.875 0.87 1.00 1.00 1.00 0.49 0.55 0.59 0.14 0.16 7.5 0.96 1.00 1.00 1.00 0.60 0.68 0.73 0.29 0.32<br />
8.25 1.00 1.00 1.00 1.00 0.71 0.79 0.85 0.42 0.46 9 1.00 1.00 1.00 1.00 0.80 0.90 0.97 0.54 0.60<br />
9.625 1.00 1.00 1.00 1.00 0.86 0.97 1.00 0.61 0.68 10.5 1.00 1.00 1.00 1.00 0.94 1.00 1.00 0.72 0.80<br />
11 1.00 1.00 1.00 1.00 0.98 1.00 1.00 0.76 0.85 12 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.86 0.95<br />
12.375 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.87 0.97 13.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.97 1.00<br />
13.75 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.97 1.00 15 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
15.125 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 16.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
16.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 18 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
17.875 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 19.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
19.25 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 21 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
20.625 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 22.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
22 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 24 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
23.375 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 25.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
24.75 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 27 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
26.125 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 28.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
27.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 30 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
28.875 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 31.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
30.25 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 33 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
31.625 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 34.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
33 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 36 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
34.375 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 37.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
35.75 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 39 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
37.125 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 40.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
38.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 42 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
39.875 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 43.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
41.25 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 45 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
42.625 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 46.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
44 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 48 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
45.375 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 49.5 1.00 1.00 1.00 1.00 1.00 1.00<br />
46.75 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 51 1.00 1.00 1.00 1.00 1.00 1.00<br />
48.125 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 52.5 1.00 1.00 1.00 1.00 1.00 1.00<br />
49.5 1.00 1.00 1.00 1.00 1.00 1.00 54 1.00 1.00 1.00 1.00 1.00 1.00<br />
50.875 1.00 1.00 1.00 1.00 1.00 1.00 55.5 1.00 1.00 1.00 1.00 1.00 1.00<br />
52.25 1.00 1.00 1.00 1.00 1.00 1.00 57 1.00 1.00 1.00 1.00 1.00 1.00<br />
53.625 1.00 1.00 1.00 1.00 1.00 1.00 58.5 1.00 1.00 1.00 1.00 1.00 1.00<br />
55 1.00 1.00 1.00 1.00 1.00 1.00 60 1.00 1.00 1.00 1.00 1.00 1.00<br />
56.375 1.00 1.00 1.00 1.00 1.00 1.00 61.5 1.00 1.00 1.00 1.00 1.00 1.00<br />
57.75 1.00 1.00 1.00 1.00 1.00 1.00 63 1.00 1.00 1.00 1.00 1.00 1.00<br />
59.125 1.00 1.00 1.00 1.00 1.00 1.00 64.5 1.00 1.00 1.00<br />
60.5 1.00 1.00 1.00 1.00 1.00 1.00 66 1.00 1.00 1.00<br />
61.875 1.00 1.00 1.00 1.00 1.00 1.00 67.5 1.00 1.00 1.00<br />
63.25 1.00 1.00 1.00 1.00 1.00 1.00 69 1.00 1.00 1.00<br />
64.625 1.00 1.00 1.00 70.5 1.00 1.00 1.00<br />
66 1.00 1.00 1.00 72 1.00 1.00 1.00<br />
67.375 1.00 1.00 1.00 73.5 1.00 1.00 1.00<br />
68.75 1.00 1.00 1.00 75 1.00 1.00 1.00<br />
70.125 1.00 1.00 1.00 76.5 1.00 1.00 1.00<br />
71.5 1.00 1.00 1.00 78 1.00 1.00 1.00<br />
72.875 1.00 1.00 1.00 79.5 1.00 1.00 1.00<br />
74.25 1.00 1.00 1.00 81 1.00 1.00 1.00<br />
75.625 1.00 1.00 1.00<br />
77 1.00 1.00 1.00<br />
Table M16.2-7C Solid Sawn Timbers<br />
Rating 1-HOUR 1.5-HOUR 2-HOUR<br />
Beam Width 5.5 7.5 9.5 11.5 7.5 9.5 11.5 9.5 11.5<br />
Beam Depth<br />
Design Load Ratio, R s<br />
5.5 0.66 0.75 0.80 0.83 0.17 0.19 0.20<br />
7.5 1.00 1.00 1.00 1.00 0.63 0.70 0.74 0.30 0.32<br />
9.5 1.00 1.00 1.00 1.00 0.90 0.99 1.00 0.64 0.69<br />
11.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.86 0.93<br />
13.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
15.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
17.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
19.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
21.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
23.5 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00<br />
M16: FIRE DESIGN<br />
16<br />
<strong>American</strong> Forest & paper association