Influence of Mechanical Properties of Filling Paste on Overlying Strata Movement and Surface Settlement

Table 1

In situ stress test results.

Depth/m	Maximum principal stress			Intermediate principal stress			Minimum principal stress
	Stress MPa	Direction°	Dip angle°	Stress MPa	Direction°	Dip angle°	Stress MPa	Direction°	Dip angle°
205.17	7.01	100.65	-3.05	4.31	268.26	−35.40	3.51	185.09	−45.08
243.78	7.70	118.49	−13.62	5.46	16.40	−50.37	3.96	207.05	−26.35
274.92	10.86	126.20	21.33	6.72	264.23	57.27	5.00	202.83	−9.14
285.49	12.24	138.57	25.72	6.84	76.19	−29.04	6.55	190.64	−39.44
354.38	15.80	110.42	−5.11	7.81	24.83	−39.17	6.38	196.29	−40.96
309.34	11.95	214.57	17.30	6.55	109.98	46.70	4.92	144.84	−27.96
384.21	13.10	202.83	0.45	7.37	−38.36	54.76	6.01	121.90	25.90
557.83	22.18	209.29	−12.82	13.79	48.04	−67.85	12.06	128.62	0.02
551.92	20.97	110.87	−6.18	16.49	33.52	25.01	13.79	180.16	54.76