Fracture of Parallel Strand Bamboo Composite under Mode I Loading: DCB Test Investigation

Table 3

The average fracture toughness for partial test samples (H = 50 mm).

Specimens	a0 (mm)	B (mm)	L (mm)	(N)	GR (J/m^2)
DCB-C	100	20	350	839	1740
		40		1535	1505
		60		2364	1550
		80		2149	630
		100		2952	820
DCB-D	134	20	350	745	2600
		40		1332	2570
		60		2081	1960
		80		2009	950
		100		2233	870