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From [Institution name]
Grade | Bending, Fb MPa (psi) |
Tension Parallel to Grain FtFootnote (3) MPa (psi) |
Compression Parallel to grain, Fc║ MPa (psi) |
Compression Perpendicular to grain, Fc ┴ MPa (psi) |
Horizontal Shear, Fv MPa (psi) |
Modulus of ElasticityFootnote (7) MPa (x 106 psi) |
||||
---|---|---|---|---|---|---|---|---|---|---|
Beam |
Plank |
Beam |
Plank |
Beam |
Plank |
Beam |
Plank |
|||
1 400Fb-1.1E (cross-ply) |
17.84Footnote (1) (2 587) |
17.84 (2 587) |
12.38 (1 796) |
18.71 (2 713) |
8.53 (1 238) |
5.66 (820) |
3.20 (465) |
0.784 (114) |
7 580 (1.10) |
6 900 (1.00) |
1 650Fb-1.3E (cross-ply) |
21.02Footnote (1) (3 049) |
21.02 (3 049) |
12.38 (1 796) |
18.71 (2 713) |
8.53 (1 238) |
5.66 (820) |
3.20 (465) |
1.79 (260) |
8 960 (1.30) |
7 580 (1.10) |
1 750Fb-1.3E (cross-ply) |
22.30 Footnote (1) (3 234) |
22.30 (3 234) |
12.38 (1 796) |
18.71 (2 713) |
8.53 (1 238) |
5.66 (820) |
3.20 (465) |
1.79 (260) |
8 960 (1.30) |
8.960 (1.30) |
2 250Fb-1.5E |
28.67Footnote (2) (4 158) |
28.03 (4 066) |
13.93 (2 021) |
25.86 (3 751) |
9.41 (1 365) |
5.66 (820) |
3.65 (530) |
1.79 (260) |
10 340 (1.50) |
9 650 (1.40) |
2 400Fb-1.7E |
30.58Footnote (2) (4 435) |
29.31 (4 250) |
13.93 (2 021) |
25.86 (3 751) |
9.41 (1 365) |
5.66 (820) |
3.65 (530) |
1.79 (260) |
11.720 (1.70) |
11 720 (1.70) |
2 650Fb-1.9E |
33.77Footnote (2) (4 897) |
33.13 (4 805) |
16.51 (2 395) |
25.86 (3 751) |
9.41 (1 365) |
6.90 (1 001) |
3.65 (530) |
1.79 (260) |
13 100Footnote (8) (1.90) |
12 410Footnote (8) (1.80) |
2 900Fb-2.0E |
36.95Footnote (2) (5 359) |
37.59 (5 452) |
18.58 (2 694) |
35.21 (5 107) |
9.41 (1 365) |
6.90 (1 001) |
3.65 (530) |
1.79 (260) |
13 790 (2.00) |
13 790 (2.00) |
2 950Fb-2.0E |
37.59Footnote (2) (5 452) |
37.59 (5 452) |
18.58 (2 694) |
35.21 (5 107) |
9.41 (1 365) |
6.90 (1 001) |
3.72 (540) |
1.79 (260) |
13 790Footnote (8) (2.00) |
13 790Footnote (8) (2.00) |
3 100Fb-2.1E |
39.50Footnote (2) (5 729) |
39.50 (5 729) |
18.58 (2 694) |
35.21 (5 107) |
9.41 (1 365) |
6.90 (1 001) |
3.72 (540) |
1.79 (260) |
14 480 (2.10) |
13 790 (2.00) |
3 100Fb-2.2E |
39.50Footnote (2) (5 729) |
37.59 (5 452) |
18.58 (2 694) |
35.21 (5 107) |
9.41 (1 365) |
6.90 (1 001) |
3.72 (540) |
1.79 (260) |
15 170 (2.20) |
15 170 (2.20) |
Grade | Equivalent Specific Gravity |
|||||
---|---|---|---|---|---|---|
Nails |
Bolts and Lag Screws Installed in FaceFootnote (3) |
|||||
Withdrawal Load |
Lateral Load |
Lateral Load |
||||
Installed in Edge |
Installed in Face |
Installed in Edge |
Installed in Face |
Load Applied ║to Grain |
Load Applied ┴ to Grain |
|
1400Fb-1.1E (cross-ply) |
0.42 |
0.48 |
0.49 |
0.50 |
0.41 |
0.48 |
1750Fb-1.3E (cross-ply); 2250Fb-1.5E & better |
0.46 |
0.50 |
0.50 |
0.50 |
0.46 |
0.50 |
Thickness (mm (in.)) |
Orientation |
FastenerFootnote (2) |
Minimum End Distance (mm (in.)) |
Closest On-Centre Spacing (mm (in)) |
|
---|---|---|---|---|---|
Single Row |
Multiple RowsFootnote (6) Footnote (7) |
||||
< 38 (< 1 ½) |
64 mm (8d 2 ½ in) |
64 (2 ½) |
102 (4) |
N/A |
|
76 mm (10d 3 in) & 83 mm (12d 3 ¼ in) |
64 (2 ½) |
102 (4) |
N/A |
||
89 mm (16d 3 ½ in) |
89 (3 ½) |
127 (5) |
N/A |
||
< 38 (< 1 ½) |
FaceFootnote (5) |
64 mm (8d 2 ½ in) |
38 (1 ½) |
76 (3) |
76 (3) |
76 mm (10d 3 in) & 83 mm (12d 3 ¼ in) |
38 (1 ½) |
76 (3) |
76 (3) |
||
89 mm (16d 3 ½ in) |
38 (1 ½) |
127 (5) |
127 (5) |
||
≥ 38 (≥ 1 ½) |
64 mm (8d 2 ½ in) |
64 (2 ½) |
76 (3) |
102Footnote (8) (4Footnote (8)) |
|
76 mm (10d 3 in) & 83 mm (12d 3 ¼ in) |
64 (2 ½) |
102 (4) |
127Footnote (8) (5Footnote (8)) |
||
89 mm (16d 3 ½ in) |
89 (3 ½) |
127 (5) |
|||
≥ 38 (≥ 1 ½) |
FaceFootnote (5) |
64 mm (8d 2 ½ in) |
38 (1 ½) |
76 (3) |
76 (3) |
76 mm (10d 3 in) & 83 mm (12d 3 ¼ in) |
38 (1 ½) |
76 (3) |
76 (3) |
||
89 mm (16d 3 ½ in) |
38 (1 ½) |
127 (5) |
127 (5) |
Minimum Thickness (mm (in.)) |
Grade |
Depth (mm (in.)) |
Vertical Load |
Horizontal Lateral Load Transfer CapacityFootnote (4) (kN/m (lbs/ft.)) |
Lateral Resistance of 13-mm (1/2-in) Lag ScrewFootnote (5) (Installed in Face) (kN (lbs)) |
|
---|---|---|---|---|---|---|
Uniform (kN/m (lbs/ft.)) |
Concentrated Load (kN (lbs)) |
|||||
32 (1 ¼) |
1400Fb-1.1E (cross-ply) |
≤ 406 (≤ 16) |
195 (13 344) |
31.2 (7 022) |
4.76 (326) |
3.34 (751) |
≤ 610 (≤ 24) |
123 (8 457) |
31.2 (7 022) |
4.76 (326) |
3.34 (751) |
||
32 (1 ¼) |
1750Fb-1.3E (cross-ply) |
≤ 406 (≤ 16) |
204 (13 970) |
31.2 (7 022) |
4.76 (326) |
3.34 (751) |
≤ 610 (≤ 24) |
123 (8 457) |
31.2 (7 022) |
4.76 (326) |
3.34 (751) |
||
38 (1 ½) |
2250Fb-1.5E and better |
≤ 406 (≤ 16) |
97 (6 650) |
20.0 (4 500) |
4.76 (326) |
3.34 (751) |
≤ 610 (≤ 24) |
60.6 (4 150) |
20.0 (4 500) |
4.76 (326) |
3.34 (751) |
||
44 (1 ¾) |
2250Fb-1.5E and better |
≤ 406 (≤ 16) |
108 (7 400) |
23.8 (5 350) |
4.76 (326) |
3.34 (751) |
≤ 610 (≤ 24) |
83.9 (5 750) |
23.8 (5 350) |
4.76 (326) |
3.34 (751) |