Determination of Constitutive Parameters of Crystalline Limestone Based on Improved RHT Model

Table 4

State quantities such as elastic limit, failure strength, and residual strength in the SHPB test curve (unit: MPa).

The impact pressure	Mean strain rate (s^−1)						(s^−1)
0.2	30.37	46.2	61.02	39.02	20.34	0.46	3.32 × 10^−3
0.3	49.64	65.36	82.42	49.19	27.46	0.62	2.94 × 10^−3
0.4	87.05	89.57	109.18	57.24	36.39	0.82	2.82 × 10^−3
0.5	124.75	111.12	121.81	60.20	40.36	0.91	4.29 × 10^−3
0.6	138.18	133.7	148.56	68.11	49.52	1.12	4.02 × 10^−3