Experimental and Numerical Investigation on Hydraulic Fracture Propagation Law of Composite Rock Materials considering the Disturbing Stress Effect

Figure 9

Comparison of laboratory test and simulation test: (a) laboratory test hydraulic fracture propagation plane [49]; (b) simulated test hydraulic fracture; (c) dyeing condition of test block; (d) simulated hydraulic fracture opening; (e) fracturing fluid permeability path at the bedding plane.

(a)

(b)

(c)

(d)

(e)