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

Table 1

The test conditions for HBS specimens.

No.	Pore pressure (MPa)	Confining pressure (MPa)	Effective confining pressure (MPa)	Hydrate saturation Sh (%)
S0	8	9	1	0
		11	3	0
		13	5	0
S1	8	9	1	4.6
		11	3	4.3
		13	5	4.2
S2	8	9	1	9.6
		11	3	9.6
		13	5	9.1
S3	8	9	1	18.9
		11	3	18.8
		13	5	19
S4	8	9	1	33.5
		11	3	32.8
		13	5	32.4