Effects of Strain Rate and Initial Density on the Dynamic Mechanical Behaviour of Dry Calcareous Sand

Table 1

Experimental results of calcareous sand.

Test group number	Initial sample density (g/cm^3)	Average striker velocity (m/s)	Average sample strain rate (s^−1)	Average sample peak strain	Average sample peak stress (MPa)
CS1	1.26	5.3	385	0.104	6.4
CS2		10.5	748	0.192	18.5
CS3		19.2	1253	0.314	61.5
CS4	1.35	5.1	412	0.097	10.2
CS5		9.6	693	0.177	24.7
CS6		19.9	1189	0.293	77.1
CS7	1.42	4.0	335	0.080	12.5
CS8		9.8	487	0.118	17.8
CS9		21.4	1128	0.273	90.8