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.

Time7/27/20198/16/20198/31/20199/15/20199/30/2019

Face advance distance/m553 m696 m746 m772 m789 m
Time2019.10.172019.10.272019.11.42019.11.132019.11.20
Face advance distance/m810 m827 m850 m850 m850 m
Time2019.11.272019.12.82019.12.192019.12.282020.02.27
Face advance distance/m8819169459771084 m
Time2020.03.172020.04.262020.05.092020.06.012020.06.18
Face advance distance/m1132 m1132 m1370 m1478 m1567 m
Time2020.07.05
Face advance distance/m1657 m