Strain-Softening Characteristics of Hydrate-Bearing Sediments and Modified Duncan–Chang Model

Table 5

Model parameters.

Parameter	Value
	No. 7 & No. 7-2	No. 8 & No. 8-2	No. 9 & No. 9-2
(MPa)	60	200	200
(MPa)	500	700	1500
	0.2	0.15	0.15
(MPa)	0.05	0.11	0.1
(°)	29	34.7	34
	0.85	0.75	0.85
(MPa)	25.5	16.7	10
	2.53	2.69	1.8
	10	9.5	10
	0	1	2.5
	0	0.5	1