Field Measurement and Numerical Modelling Study on Mining-Induced Subsidence in a Typical Underground Mining Area of Northwestern China

Table 5

Subsidence rate of point A43.

Monitoring time	Subsidence value with respect to survey of last time (mm)	Days from last survey (days)	Rate (mm/d)	Total subsidence (m)
7/27/2019	−104	84	−1.238	−0.104
8/16/2019	−332	20	−16.6	−0.436
8/31/2019	−247	15	−16.467	−0.683
9/15/2019	−116	15	−7.733	−0.799
9/30/2019	−127	15	−8.467	−0.926
10/17/2019	−67	17	−3.941	−0.993
10/27/2019	−47	10	−4.7	−1.04
11/4/2019	−49	8	−6.125	−1.089
11/13/2019	−72	9	−8	−1.161
11/20/2019	−31	7	−4.429	−1.192
11/27/2019	−116	7	−16.571	−1.22
12/8/2019	−31	11	−2.818	−1.251
12/19/2019	−31	11	−2.818	−1.282
12/28/2019	−36	9	−4	−1.318
2/27/2020	−173	61	−2.836	−1.491
3/17/2020	12	19	0.632	−1.479
4/26/2020	−24	40	−0.6	−1.503
5/9/2020	0	13	0	−1.503
6/1/2020	−9	23	−0.391	−1.512
6/18/2020	182	17	10.706	−1.33
7/5/2020	37	17	2.176	−1.294