Research on Key Technologies of Floor Heave Control in Soft Rock Roadway

Table 2

Rock strata properties used in numerical modeling.

Lithology	M (m)	Ρ (kg/m^3)	E (GPa)		K (GPa)	G (GPa)	t (MPa)	c (MPa)	Φ (°)
Mudstone	4.4	2550	0.68476	0.2	0.380	0.285	0.062	0.773	14.89
Siltstone	5.6	2540	0.90151	0.22	0.537	0.369	0.0235	1.335	22.29
Mudstone	1.4	2550	1.56048	0.2	0.867	0.650	0.1557	1.109	19.87
No. 4 coal	1.1	1400	2.88938	0.25	1.926	1.156	0.1648	1.36	26.87
Carbonaceous mudstone	16	2550	2.50571	0.23	1.547	1.019	0.2249	1.244	23.06
Siltstone	2.2	2540	2.93616	0.22	1.748	1.203	0.0604	1.72	27.58
Mudstone	4.6	2550	3.2031	0.2	1.780	1.335	0.2529	1.301	22.49
Siltstone	0.6	2540	5.49104	0.22	3.268	2.250	0.1285	2.028	30.5
No. 1 coal	3.2	1400	2.44968	0.25	1.633	0.980	0.1681	1.407	27.67
Oolitic clay rock	9.3	2550	1.95694	0.2	1.087	0.815	0.1384	1.201	21.77
Limestone	20	2100	4.03721	0.29	3.204	1.565	0.1133	3.224	27.58