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From [Institution name]
Timber Densities |
||
---|---|---|
Visually Graded Lumber |
Glue-Laminated Timber |
Mean Oven-Dry Relative Density |
D Fir-L |
D Fir-L |
0.49 |
S-P-F |
– |
0.42 |
– |
S-P-F |
0.44 |
Hem-Fir |
Hem-Fir |
0.46 |
Northern |
– |
0.35 |
S-Y-P |
– |
0.55 |
Structural Composite Lumber (SCL) Density |
|
---|---|
Parallam® (PSL) |
0.50 |
Partial- (PT) or Full-Thread (FT) |
"SWG ASSY®" Type STS |
Outside Thread Diameter (mm) |
Root DiameterFootnote (1) (dmin, mm) |
Bending Yield StrengthFootnote (2) (MPa) |
Screw Tension Strength (kN) |
Unfactored Screw ShearStrengthFootnote (2) (MPa) |
|
---|---|---|---|---|---|---|---|
Unfactored Resistance |
Factored ResistanceFootnote (2) |
||||||
FT |
VG CYL |
6 |
3.8 |
969 |
11.3 |
9.04 |
578 |
PT |
SK, Ecofast |
6 |
3.9 |
969 |
11.3 |
9.04 |
578 |
FT |
VG CYL, VG CSK |
8 |
5 |
1015 |
18.9 |
15.12 |
641 |
PT |
SK, Ecofast, Kombi |
8 |
5.3 |
1015 |
18.9 |
15.12 |
641 |
FT |
VG CYL, VG CSK |
8 |
6.2 |
942 |
24 |
19.2 |
691 |
PT |
SK, Ecofast, Kombi |
8 |
6.3 |
942 |
24 |
19.2 |
691 |
FT |
VG CSK |
12 |
7.1 |
1147 |
30 |
24 |
536 |
PT |
SK, Kombi |
12 |
7.2 |
1147 |
30 |
24 |
536 |
Minimum Spacing or Distance |
Partial-Thread Self-Tapping |
|
---|---|---|
SWG ASSY® 3.0 SK, Kombi, Ecofast |
||
Relative Density ≤ 0.42 |
Relative Density ≤ 0.42 |
|
Spacing parallel to grain (SP) |
12d |
12d |
Spacing perpendicular to grain (SQ) |
5d |
5d |
Loaded end distance (aL) |
15d |
15d |
Unloaded end distance (a) |
10d |
10d |
Loaded edge distance (eL) |
10d |
10d |
Unloaded edge distance (e) |
5d |
5d |
Minimum Spacing or Distance |
Full-Thread Self-Drilling + Self-Tapping |
---|---|
SWG ASSY® VG plus CYL, SWG ASSY® VG plus CSK |
|
Relative Density ≤ 0.50 kg/m3 |
|
Spacing parallel to grain (SP) |
5d (7.5d in D-Fir) |
Spacing perpendicular to grain (SQ) |
3d |
Loaded end distance (aL) |
12d (18d in D-Fir) |
Unloaded end distance (a) |
7d (10.5d in D-Fir) |
Loaded edge distance (eL) |
7d |
Unloaded edge distance (e) |
3d |
Minimum Spacing or Distance |
Full-Thread Self-Drilling + Self-Tapping |
---|---|
SWG ASSY® VG plus CYL, SWG ASSY® VG plus CSK |
|
Spacing parallel to grain (SP) |
5d (7.5d in D-Fir) |
Spacing perpendicular to grain (SQ) |
2.5d |
Loaded end distance (aL) |
5d (7.5d in D-Fir) |
Unloaded end distance (a) |
– |
Loaded edge distance (eL) |
3d |
Unloaded edge distance (e) |
– |
Diameter (mm) |
Mean Oven-Dry Relative Density (kg/m3) |
SK |
|
---|---|---|---|
Unfactored |
Unfactored, Ø = 0.7 |
||
6 |
0.35 |
3.84 |
2.69 |
0.42 |
3.72 |
2.61 |
|
0.49 |
5.78 |
4.04 |
|
0.50 |
6.35 |
4.44 |
|
0.55 |
3.96 |
2.77 |
|
8 |
0.35 |
4.12 |
2.88 |
0.42 |
7.50 |
5.25 |
|
0.49 |
9.80 |
6.86 |
|
0.50 |
9.69 |
6.78 |
|
0.55 |
6.55 |
4.59 |
|
10 |
0.35 |
6.67 |
4.67 |
0.42 |
8.58 |
6.01 |
|
0.49 |
8.67 |
6.07 |
|
0.50 |
10.41 |
7.29 |
|
0.55 |
8.31 |
5.82 |
|
12 |
0.35 |
6.81 |
4.77 |
0.42 |
9.18 |
6.42 |
|
0.49 |
11.63 |
8.14 |
|
0.50 |
14.28 |
10.0 |
|
0.55 |
8.43 |
5.90 |
Diameter (mm) |
Mean Oven-Dry Relative Density (kg/m3) |
Kombi |
|
---|---|---|---|
Unfactored |
Unfactored, Ø = 0.7 |
||
6 |
0.35 |
– |
– |
0.42 |
– |
– |
|
0.49 |
– |
– |
|
0.50 |
– |
– |
|
0.55 |
– |
– |
|
8 |
0.35 |
1.88 |
1.88 |
0.42 |
2.48 |
2.48 |
|
0.49 |
3.74 |
3.74 |
|
0.50 |
4.22 |
4.22 |
|
0.55 |
3.26 |
3.26 |
|
10 |
0.35 |
2.60 |
2.60 |
0.42 |
3.78 |
3.78 |
|
0.49 |
5.23 |
5.23 |
|
0.50 |
5.08 |
5.08 |
|
0.55 |
3.86 |
3.86 |
|
12 |
0.35 |
3.33 |
3.33 |
0.42 |
4.01 |
4.01 |
|
0.49 |
5.23 |
5.23 |
|
0.50 |
6.29 |
6.29 |
|
0.55 |
5.23 |
5.23 |
Diameter (mm) |
Mean Oven-Dry Relative Density (kg/m3) |
Ecofast |
|
---|---|---|---|
Unfactored |
Unfactored, Ø = 0.7 |
||
6 |
0.35 |
1.64 |
1.64 |
0.42 |
1.89 |
1.89 |
|
0.49 |
3.65 |
3.65 |
|
0.50 |
3.10 |
3.10 |
|
0.55 |
2.81 |
2.81 |
|
8 |
0.35 |
2.14 |
2.14 |
0.42 |
3.07 |
3.07 |
|
0.49 |
3.85 |
3.85 |
|
0.50 |
4.80 |
4.80 |
|
0.55 |
4.76 |
4.76 |
|
10 |
0.35 |
2.70 |
2.70 |
0.42 |
3.87 |
3.87 |
|
0.49 |
6.61 |
6.61 |
|
0.50 |
5.69 |
5.69 |
|
0.55 |
4.43 |
4.43 |
|
12 |
0.35 |
– |
– |
0.42 |
– |
– |
|
0.49 |
– |
– |
|
0.50 |
– |
– |
|
0.55 |
– |
– |