A Geomechanical Model Test on the Construction Stability and Overload Failure Process of an X-Type Cross Cavern Group

Figure 5

Model construction process: (a) mix material; (b) pour in the reaction force device; (c) compact materials; (d) air-dry with large fans; (e) install pressure cell; (f) install displacement measurement point.

(a)

(b)

(c)

(d)

(e)

(f)