Theoretical Analysis on Stress and Deformation of Overburden Key Stratum in Solid Filling Coal Mining Based on the Multilayer Winkler Foundation Beam Model

Table 2

The calculation schemes.

Scheme #1			Scheme #2			Scheme #3
/MPa	/m	/m	/MPa	/m	/m	/MPa	/m	/m
80	3.0	50	100	3.0	50	100	3.0	20
100				3.5				40
120				4.0				60
140				4.5				80
160				5.0				100