Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 1 Results of the evaluation using the elastic–perfectly plastic model

From: Verification of the shear performance of mortise and tenon joints with top and bottom notches at the beam end

	J-L100								J-L150
	Left side				Right side (final fracture)				Left side (final fracture)				Right side
	No.1	No.2	No.3	Ave	No.1	No.2	No.3	Ave	No.1	No.2	No.3	Ave	No.1	No.2	No.3	Ave
K (kN/mm)	24.67	24.29	22.85	23.94	20.82	23.76	17.95	20.84	40.91	34.27	60.63	45.27	32.20	29.05	57.43	39.56
P_max (kN)	101.56	87.95	91.02	93.51	99.52	88.48	94.37	94.13	109.71	110.78	113.03	111.17	109.73	110.75	113.05	111.18
P_y (kN)	53.23	47.29	44.93	48.49	54.00	49.22	50.55	51.26	64.83	72.27	62.54	66.55	71.03	70.21	62.70	67.98
P_u (kN)	82.94	77.53	77.17	79.21	80.18	78.10	80.57	79.62	106.03	97.55	108.23	103.94	103.57	97.31	108.91	103.26
P_δ=1 mm (kN)	41.89	37.71	37.66	39.08	34.21	38.81	35.54	36.18	48.24	58.66	61.37	56.09	37.16	54.74	59.66	50.52
P_δ=2 mm (kN)	52.46	47.59	45.14	48.39	49.59	48.64	45.89	48.04	74.68	71.20	83.94	76.61	66.62	66.76	83.37	72.25
P_δ=3 mm (kN)	57.37	52.75	49.65	53.26	56.24	54.02	51.26	53.84	89.49	77.72	97.17	88.13	79.09	73.82	96.62	83.18
P_δ=4 mm (kN)	59.84	55.60	52.45	55.96	59.24	57.79	54.35	57.13	98.39	81.45	105.03	94.96	89.04	78.28	104.11	90.48
P_δ=5 mm (kN)	62.12	58.54	55.11	58.59	61.26	61.02	57.75	60.01	100.07	83.85	109.27	97.73	95.25	81.55	108.43	95.07
\(\delta _{{P_{{{\text{max}}}} }}\) (mm)	29.80	30.00	30.00	29.93	30.00	29.90	30.00	29.97	7.10	28.90	6.20	14.07	19.50	29.80	6.50	18.60
δ_y (mm)	2.16	1.95	1.97	2.02	2.59	2.07	2.82	2.49	1.58	2.11	1.03	1.58	2.21	2.42	1.09	1.90
δ_v (mm)	3.36	3.19	3.38	3.31	3.85	3.29	4.49	3.88	2.59	2.85	1.78	2.41	3.22	3.35	1.90	2.82
δ_u (mm)	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	26.10	30.00	29.60	28.57	29.80	30.00	28.30	29.37

K: elastic stiffness, P_max: maximum shear strength, P_y: yield shear strength, P_u: ultimate shear strength, P_δ=1 mm: shear strength at a displacement of 1 mm, P_δ=2 mm: shear strength at a displacement of 2 mm, P_δ=3 mm: shear strength at a displacement of 3 mm, P_δ=4 mm: shear strength at a displacement of 4 mm, P_δ=5 mm: shear strength at a displacement of 5 mm, \(\delta _{{P_{{{\text{max}}}} }}\): displacement at the maximum shear strength, δ_y: yield displacement, δ_v: P_u/K, and δ_u: ultimate displacement

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