Influence of Different Advancing Directions on Mining Effect Caused by a Fault

Table 2

Lithology and physical-mechanical parameters of roof-floor strata [14].

Lithology	Density		Compressive strength		Elastic modulus		Materials ratio
	Prototype (kg·m^−3)	Model (kg·m^−3)	Prototype (MPa)	Model (kPa)	Prototype (GPa)	Model (MPa)
Siltstone	2400	1600	27.60	92.00	4.56	15.20	755
Pack sand	2400	1600	31.50	105.00	5.04	16.80	782
Gritstone	2400	1600	36.00	120.00	4.86	16.20	773
Coal	2400	1600	16.00	53.30	2.34	7.80	864
Mudstone	2250	1500	17.20	57.40	2.94	9.80	864
Sandy mudstone	2250	1500	21.10	70.30	2.94	9.80	864
Silty mudstone	2250	1500	17.20	57.40	2.94	9.80	864