Table 3 The mean values of surface movement angular parameters in Jining mining area, Feicheng and Xinwen mining area.
Mine area | \(\overline{{\beta }_{0}}(^\circ )\) | \(\overline{{\gamma }_{0}}(^\circ )\) | \(\overline{{\delta }_{0}}(^\circ )\) | \(\overline{\beta }(^\circ )\) | \(\overline{\gamma }(^\circ )\) | \(\overline{\delta }(^\circ )\) |
|---|---|---|---|---|---|---|
Jining | 53.7 | 55.1 | 58.1 | 71.1 | 70.8 | 71.1 |
Feicheng & Xinwen | 60.9 | 67.0 | 65.9 | 68.9 | 74.7 | 73.1 |
Differential value | 7.2 | 11.9 | 7.8 | -2.2 | 3.9 | 2.0 |
