Table 1 Input parameters, and initial and boundary conditions
From: Numerical Simulation of Consolidation Behavior of Large Hydrating Fill Mass
Input item | Parameter | Value |
|---|---|---|
CPB | Stope geometry (m) | 15 m (W) × 30 m (H) |
Inclination angle (°) | 90 | |
Cement content (wt%) | Residual fill: 4.5 (60.4Â kg/m3), and plug fill: 7 (80.2Â kg/m3) | |
w/c ratio | 7.6 | |
Initial void ratio | 1 | |
Backfilling rate (m/h) | 0.5 | |
Backfilling strategy | 2-stages of filling with 1-day plug | |
Rock mass | Density (kg/m3) | 2500 |
Young’s modulus (GPa) | 30 | |
Poisson’s ratio | 0.3 | |
Thermal conductivity (W/m K) | 3.9 | |
Heat capacity (J/kg K) | 790 | |
Mechanical module | Top surface | Free |
Lateral sides | Roller | |
Bottom side | Fixed | |
Volume force | Gravity | |
Hydraulic module | Top surface | No flow |
Lateral sides | No flow | |
Bottom side | No flow | |
Volume force | Gravity | |
Initial value | Hydraulic head = 0 | |
Thermal module | Top side (°C) | 25 |
Lateral sides (°C) | 25 | |
Bottom side (°C) | 25 | |
Initial temp. (°C) | 25 |