Quantitative Study on Empirical Strength Parameters of Extremely Fractured Phyllite Based on Fractal Theory

Table 3

Maximum and minimum principal stresses of each specimen under different normal stresses (kPa).

Sample name	Normal stress p = 100 kPa		Normal stress p = 150 kPa		Normal stress p = 200 kPa		Normal stress 250 kPa		Normal stress p = 300 kPa
	Sample I	470.87	1.42	616.39	26.02	728.44	59.65	845.91	91.60	956.01	125.62
Sample II	473.94	2.34	619.93	27.33	732.64	60.96	850.98	93.50	960.13	127.68
Sample III	500.09	0.91	643.09	27.89	768.84	59.21	891.96	91.01	1005.4	125.30
Sample IV	482.55	1.96	626.30	27.93	743.76	60.64	863.97	92.65	976.05	126.74
Sample V	468.16	2.72	614.66	27.23	726.55	60.87	840.73	93.92	953.13	127.43