Research on the Strength Prediction Model of Softened Mudstone Based on Triaxial Compressive Test of Rock

Table 1

Summary of mudstone strength test results.

Water content (%)	Confining pressure (MPa)	Compressive strength (MPa)	Tensile strength (MPa)
0	0	9.2	3.10
	2	16.1
	5	26.2
	10	41.5
10.1	0	5.2	1.75
	2	9.5
	5	15.4
	10	26.1
12.5	0	3.0	1.05
	2	6.7
	5	11.8
	10	20.4
14.1	0	2.0	0.66
	2	5.0
	5	9.0
	10	15.9