Constitutive Model of Solid Backfill Materials and Numerical Simulation of Overburden Movement and Deformation in Backfill Mining

Table 3

Numerical calculation scheme.

Scheme no.	Initial compaction rate(%)	Mining height (m)	Mining depth (m)
1	95, 90, 85, 80, 75, 70	3.3	380
2	85	2.5, 3.3, 3.5, 4.0, 4.5, 5.0	380
3	85	3.3	350, 400, 450, 500, 550, 600