A Damage Constitutive Model of Red Sandstone under Coupling of Wet-Dry Cycles and Impact Load

Table 1

Parameters of the load damage model.

No.	(s^−1)			E (GPa)	m
DC0-1	106	157.8	0.0213	7.90	15.88
DC0-2	138	180.2	0.0220	8.76	14.74
DC0-3	168	195.7	0.0226	9.35	13.39
DC0-4	206	221.0	0.0244	9.79	12.94
DC0-5	229	232.2	0.0250	10.21	10.51
DC0-6	267	255.7	0.0272	10.86	10.17