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

Table 1

Basic value of parameters and their changing levels.

Factor	Basic value	Scope	Distribution	Level
𝐸𝑟/GPa	0.7	0.5–1	Uniform	6
𝐶𝑟/MPa	6	4–9	Uniform	6
𝜑𝑟/^∘	15	10–20	Uniform	5
𝐸𝑓/GPa	0.5	0.3–0.7	Uniform	5
𝐶𝑓/MPa	5	2–7	Uniform	6
𝜑𝑓/^∘	10	5–15	Uniform	10
𝐸𝑐/GPa	3	1–6	Uniform	6
𝐶𝑐/MPa	4	2–7	Uniform	6
𝜑𝑐/^∘	35	30–40	Uniform	5
ℎ/m	2	0.5–5.5	Uniform	10