Energy Analysis on Dynamic Fragmentation Degree of Cemented Sand Specimens under Confining Pressure

Table 2

SHPB test design.

Test category	Impact air pressure (MPa)	Confining pressure (MPa)	Number of test pieces
Dynamic tension	0.08, 0.1, 0.12, 0.14, 0.16	0	15
Dynamic compression	0.15, 0.2, 0.25, 0.3	0	12
	0.3, 0.5, 0.7, 0.9	1	12
	0.9	0.86, 1.15, 1.3, 1.45	12