Figure 9
From: Roadway rock burst prediction based on catastrophe theory
Vertical stress cloud map of surrounding rock under different primary rock stresses: (a) Original rock stress: 8.75 MPa, (b) Original rock stress: 10 MPa, (c) Original rock stress: 11.25 MPa, (d) Original rock stress: 12.5 MPa, (e) Original rock stress: 13.75 MPa, (f) Original rock stress: 15 MPa.
