Table 2.
The results of bending strength performance evaluation test

Specimen	Pmax Ave.(kN)	MOR Ave.(MPa)	COV(%)	Stiffness Ave.(N/mm)	COV(%)
CON	20.2	50	7.4	544	8.8
Rod	10.3	25	10.7	581	14.6
Rod + Lap	13.3	33	11.2	600	7.7
Scarf	4.1	10	53.8	774	1.9
Hooked scarf	4.2	10	74	550	34.8
Lab	4.4	11	20	467	59.2
Double lab	4.1	10	11.7	481	14.6

COV: coefficient of variation