Table 2 Changes in physical and mechanical parameters of surrounding rock of roadway roof.
Mechanical parameters of surrounding rock | Mechanical parameters of surrounding rock reinforcement body | ||
|---|---|---|---|
Parameter | Value | Parameter | Value |
\(E{\text{/GPa}}\) | 5.4 | \(E_{R} {\text{/GPa}}\) | 5.401 |
\(C{\text{/MPa}}\) | 7.56 | \(C_{R} {\text{/MPa}}\) | 7.61 |
\(\mu\) | 0.32 | \(\mu_{R}\) | 0.314 |
