Research Article

The Application of Variable Fuzzy Sets Theory on the Quality Assessment of Surrounding Rocks

Figure 2

The geological conditions of palm face. (a). The cross-section LK178 + 725. (b). The cross-section LK182 + 089. (c). The cross-section K0+342. (d). The cross-section RK182 + 030.
(a)
(b)
(c)
(d)