Quantitative Inversion of Water-Inrush Incidents in Mountain Tunnel beneath a Karst Pit

Figure 9

Results of probing and interpreting. (a) Layout map of caverns, fracture zones, and faults; (b) spatial distribution map of caverns, fracture zones, and faults; (c) spatial distribution map of cavities, broken zones, and faults.

(a)

(b)

(c)