Table 4. Result of the four-point bending test of the glulam beams

Specimen	Pmax (kN)		MoE (MPa)		MoR (MPa)		Shear stress (MPa)
	Keruing	Jabon	Keruing	Jabon	Keruing	Jabon	Keruing	Jabon
A1	122.38	49.61	14,867	8,399	75.4	30.56	3.28	1.33
A2	141.25	65.49	17,723	9,270	87.02	40.34	3.78	1.75
A3	143.92	52.36	18,647	8,947	88.67	32.26	3.86	1.4
A4	126.77	-	19,294	-	78.1	-	3.4	-
B1	123.59	76.95	17,279	7,566	59.33	37.6	2.65	1.65
B2	127.7	73.11	16,673	8,593	61.29	35.72	2.74	1.57
B3	131	71.74	17,298	9,311	62.88	35.05	2.81	1.54
B4	147.51	-	16,950	-	70.81	-	3.16	-
Average			17,341	8,681	72.94	35.25	3.21	1.54
SD			1,330	598	11.37	3.54	0.46	0.60
Characteristic value			15,200	7,600	57.70	30.10	-	-

MoE: modulus of elasticity, MoR: modulus of rupture.