Study on Dynamic Constitutive Model of Weakly Consolidated Soft Rock in Western China

Table 3

The fitting parameter values of each material.

Materials	Strain rate (s^−1)	(GPa)				(GPa)		(GPa)
Mudstone	551	0.2	6326	−205497	2E − 6	2	1	2	3	0.0028
	973	0.2	6087	−128610	0.06	2	1	2	3	6.6E − 6
Sandy mudstone	373	1	−202700	667140	0.2	10	1	60	0.3	0.00242
	637	1	−207160	2397860	0.2	10	1	60	0.3	0.07
Concrete	87	0.1	−1954000	8.14E7	0.5	10	1	65	1	0.00814
	260	0.1	325760	−5E7	0.5	10	1	65	1	0.00167
Granite	50	10	−2.29E7	7.59E8	100	100	1	30	1	0.003
	97	10	−1.09E7	−1.23E9	100	100	1	30	1	0.003
Red sandstone	54	1	822890	20940	0.1	10	1	10	1	0.00192
	101	1	−5.1E7	−8.95E6	0.759	10	1	10	1	0.00192
Raw coal	96	0.1	8216000	−5.52E9	1	1	1	100	1	0.00132
	212	0.1	−1.15E7	1.31E9	1	1	1	100	1	0.02
Frozen soil	300	0.1	−5207	17900	0.006	10	1	12	0.3	0.1
	900	0.1	−2622	3571	0.006	10	1	12	0.3	0.088
Limestone	98	1	7967000	−6.45E8	0.002	10	1	1	1	0.1
	166	1	5178590	−2.09E8	0.002	10	1	1	1	0.1