Table 3.
Result of shear test for Ply-lam

Symbol	Testing Type	Direction of outer layers	Density (kg/m3)	MOE by axial Vibration E fr (kN/mm2)	Shear modulus G (kN/mm2)	Shear strength f s (N/mm2)
FWSma	out-of -plane shearing	Major	556	10.2	0.37	3.87
			(5.89)	(0.370)	(0.0225)	(0.168)
						3.53*
FWSmi	out-of -plane shearing	Minor	556	3.26	-	1.51
			(5.11)	(0.135)	-	(0.175)
						1.16*
EWS	in-plane shearing	Major	573	10.6	1.10	6.87
			(5.63)	(0.375)	(0.0915)	(0.535)
						5.78*

Notes: Value in bracket shows the standard deviation.
Value with asterisk shows the 5% lower limit at a confidence level of 75%.