Research Article
Field Measurement and Numerical Modelling Study on Mining-Induced Subsidence in a Typical Underground Mining Area of Northwestern China
Table 4
Monitoring time for Line A and the corresponding working face advance distances.
| Time | 7/27/2019 | 8/16/2019 | 8/31/2019 | 9/15/2019 | 9/30/2019 |
| Face advance distance/m | 553 m | 696 m | 746 m | 772 m | 789 m | Time | 2019.10.17 | 2019.10.27 | 2019.11.4 | 2019.11.13 | 2019.11.20 | Face advance distance/m | 810 m | 827 m | 850 m | 850 m | 850 m | Time | 2019.11.27 | 2019.12.8 | 2019.12.19 | 2019.12.28 | 2020.02.27 | Face advance distance/m | 881 | 916 | 945 | 977 | 1084 m | Time | 2020.03.17 | 2020.04.26 | 2020.05.09 | 2020.06.01 | 2020.06.18 | Face advance distance/m | 1132 m | 1132 m | 1370 m | 1478 m | 1567 m | Time | 2020.07.05 | | | | | Face advance distance/m | 1657 m | | | | |
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