Theoretical Study of Pore Water Pressures Developed in Hydraulic Fill in Mine Stopes

摘要

A numerical model for the hydraulic back-filling of two-dimensional mine stopes is presented. The use of the model is demonstrated by some analyses in which fill levels, water levels and the pore water pressures developed in the voids of the fill material are predicted. The effects on these features of various parameters, such as rate of pouring of the fill, the fill permeability and of drain location and performance, have been investigated. The model may be useful in the design and interpretation of experiments aimed at observing and measuring these phenomena.