Experimental Study on the Permeability of Weakly Cemented Rock under Different Stress States in Triaxial Compression Tests

Table 1

Specimen information and testing scheme.

Scheme	Lithology	Geological time	Buried depth (m)	Confining pressure (MPa)	Osmotic pressure (MPa)	Loading rate (mm/min)	Test content
1	Mudstone	Shuixigou group, middle-early Jurassic (J1–2sh)	480	12	2	0.03	Complete stress-strain
2	Shaly coarse sandstone		490	12	2	0.03
3	Mudstone		480	12	2	0.03	Postpeak loading and unloading
4	Shaly coarse sandstone		490	12	2	0.03