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

Figure 7

Determination of empirical parameters and for each sample. Empirical parameters and of (a) sample I, (b) sample II, (c) sample III, (d) sample IV, and (e) sample V.

(a)

(b)

(c)

(d)

(e)