Experimental Study of Stress-Seepage Coupling Properties of Sandstone under Different Loading Paths

Table 8

Results of skeleton bulk modulus and the Biot coefficient at each stage.

Sample number	Stage	(MPa)	(MPa)
SY-11	0	5101.5	10037	0.492
	1	6235.1		0.379
	2	6196.6		0.383
	3	6356.7		0.367
	4	6199.7		0.382
SY-12	0	5190.9	10846	0.521
	1	6726.3		0.379
	2	7401.2		0.318
	3	8853.6		0.185
	4	8004.9		0.262
SY-13	0	5382.8	8897.1	0.395
	1	5954.6		0.331
	2	7983.9		0.103
	3	8030.1		0.097
	4	6936.2		0.220