Dynamic Splitting Tensile Properties and Failure Mechanism of Layered Slate

Table 1

Dynamic elastic modulus E and postpeak stress reduction rate K.

Specimen no.	The inclination angles β (°)	Loading rate (GPa/s)	Dynamic elastic modulus E (GPa)	Postpeak stress reduction rate K (GPa)
A-3	0	273	29.28	1.23
A-1		587	41.76	32.82
A-10		1125	133.26	41.76
E-1	15	242	34.53	4.23
E-3		606	90.36	4.29
E-6		749	164.19	20.79
F-2	30	224	47.43	4.74
F-1		511	63.36	7.17
F-5		1132	102.45	55.62
B-6	45	291	52.86	4.38
B-2		503	82.53	5.34
B-7		799	134.4	23.16
C-5	60	375	50.1	5.37
C-7		561	133.29	3.9
C-8		750	158.13	26.16
G-4	75	408	93.96	8.13
G-2		599	154.86	5.61
G-6		1398	177.78	29.52
D-1	90	374	75.93	3.45
D-5		535	145.26	6.03
D-7		1163	184.86	15.33