There are many geometrical and physicomechanical factors affecting the design of a stable deep mine shaft. Measurements during construction yield many significant findings related to the behavior of the rock mass and the liner. In particular, the influence of the stability of the rock mass anisotropy, the initial in situ stress field, the bedding plane characteristics, and the geometry and properties of the liner can be observed. A variety of physical, numerical, and analytical models can be used to characterize in situ conditions. Based on a combination of observation, analysis, and empirical approaches, overall behavior of the rock mass around a deep mine accessway can be determined.
Estratto Dal Bollettino Della Asso. Min. Subalpina, V. 25, No. 4, Dec. 1988, PP. 395-414