Official Journal of the Japan Wood Research Society
Table 5 Shear resistance of combined joints with clearance between bolt and bolt lead-hole
From: Effective lateral resistance of combined timber joints with nails and bolts
t (mm) | K (kN/mm) | U (kN mm) | P max (kN) | δ P (mm) | \( P_{{\delta_{a} }} \) (kN) | δ a (mm) | P u (kN) | μ | 0.2P u (2μ − 1)0.5 (kN) | 2/3P max (kN) | P a (kN) |
|---|---|---|---|---|---|---|---|---|---|---|---|
C = 0 mm, δ i = 0 mm | |||||||||||
 60 | 17.3 | 392 | 43.4 | 6.8 | 34.7 (30.0) | 2.00 | 43.3 | 4.20 | 23.2 (17.4) | 28.9 (21.0) | 17.4 |
 90 | 16.3 | 674 | 51.7 | 11.6 | 32.6 (27.0) | 2.00 | 48.6 | 5.12 | 29.4 (24.5) | 34.5 (24.7) | 24.5 |
 120 | 15.0 | 962 | 54.3 | 14.8 | 30.0 (26.5) | 2.00 | 49.5 | 6.43 | 33.8 (27.7) | 36.2 (30.5) | 26.5 |
C = 2 mm, δi = 1.5 mm | |||||||||||
 60 | 11.9 | 416 | 43.3 | 6.5 | 23.8 (22.3) | 2.00 | 42.2 | 3.36 | 19.8 (14.9) | 28.9 (21.4) | 14.9 |
 90 | 10.7 | 685 | 50.5 | 12.8 | 21.4 (14.5) | 2.00 | 47.7 | 3.81 | 24.1 (20.2) | 33.6 (24.2) | 14.5 |
 120 | 9.6 | 970 | 53.0 | 16.9 | 19.1 (14.1) | 2.00 | 48.8 | 4.45 | 27.1 (22.1) | 35.4 (30.2) | 14.1 |
C = 4 mm, δi = 3 mm | |||||||||||
 60 | 8.5 | 432 | 43.2 | 7.5 | 16.9 (14.3) | 2.00 | 42.0 | 2.65 | 17.0 (13.2) | 28.8 (21.4) | 13.2 |
 90 | 8.1 | 696 | 49.5 | 13.9 | 16.1 (12.1) | 2.00 | 46.2 | 3.18 | 21.1 (17.9) | 33.0 (23.4) | 12.1 |
 120 | 7.4 | 981 | 51.8 | 18.0 | 14.8 (13.2) | 2.00 | 47.5 | 3.79 | 24.0 (19.5) | 34.5 (29.4) | 13.2 |