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Official Journal of the Japan Wood Research Society

Table 3 Characteristics values obtained with a perfect elasto-plastic model

From: Experimental study of lateral resistance of bolted joints using Japanese cedar (Cryptomeria japonica) treated with resin impregnation

Group K (kN/mm) Py (kN) δy (mm) Pu (kN) δu (mm) Pmax (kN) δmax (mm) S (kN/mm)
A
 Ave. 2.56 14.28 5.62 23.17 41.39 25.22 28.16 859.4
 S.D. 0.27 0.61 0.51 1.12 11.89 1.20 2.41 298.8
B
 Ave. 3.56 20.48 6.06 28.11 26.68 29.80 21.36 632.1
 S.D. 0.70 1.82 1.94 0.96 5.92 1.88 4.90 168.6
C
 Ave. 5.22 24.76 5.23 34.80 17.46 36.25 15.89 473.0
 S.D. 1.62 3.50 2.18 3.52 2.05 0.88 2.05 84.3
D
 Ave. 3.12 16.55 5.40 23.38 33.27 25.17 22.56 685.6
 S.D. 0.45 1.24 0.84 0.96 10.33 1.12 2.23 219.4
E
 Ave. 4.90 19.73 4.09 27.14 18.48 29.39 16.93 422.4
 S.D. 0.74 2.10 0.64 1.54 6.91 1.35 6.44 168.3
F
 Ave. 3.38 12.70 3.78 19.02 28.96 22.61 24.48 496.2
 S.D. 0.34 0.88 0.43 1.01 1.93 0.94 2.25 38.9
G
 Ave. 4.74 13.85 3.05 19.73 22.84 21.89 18.11 408.0
 S.D. 0.84 1.49 0.91 1.18 2.77 1.33 3.79 49.3
H
 Ave. 5.60 15.21 2.80 20.91 21.67 22.61 15.97 414.3
 S.D. 0.88 1.69 0.68 1.01 1.92 1.19 4.62 51.1
I
 Ave. 4.11 14.33 3.65 19.44 26.16 21.76 21.57 462.8
 S.D. 0.84 1.32 1.00 1.85 2.92 2.01 2.29 87.1
J
 Ave. 5.30 17.63 3.38 21.25 20.50 22.27 17.24 393.7
 S.D. 0.95 1.57 0.49 1.55 1.77 1.53 1.18 57.3
  1. K: stiffness, Py: yield load, δy: slip at yielding, Pu: ultimate load, δu: slip at ultimate load, Pmax: maximum load, δmax: slip at maximum load, S: energy