Sensitivity Analysis of Mechanical Parameters of Different Rock Layers to the Stability of Coal Roadway in Soft Rock Strata

Table 2

Calculating results of sensitivity coefficient.

Factor	Convergence displacement
	𝑈𝑟	𝑈𝑓	𝑈
𝐸𝑟/GPa	0.04865	0.0792	0.05695
𝐶𝑟/MPa	0.02308	0.152	0.02886
𝜑𝑟/^∘	0.00808	0.1288	0.0443
𝐸𝑐/GPa	0.86019	0.0832	2.27646
𝐶𝑐/MPa	0.81654	0.1	2.49114
𝜑𝑐/^∘	0.195385	0.5128	0.66785
𝐸𝑓/GPa	1.46442	5.1704	0.29165
𝐶𝑓/MPa	0.24058	0.7808	0.09392
𝜑𝑓/^∘	0.66615	1.2984	0.01114
ℎ/m	0.576731	1.2712	6.42532