Covering the subject of ground control in mining, this volume looks at such topics as: rock-slab theory of ground pressure in work and practice, the role of in situ-stress in mine planning, and the status of the art of cable bolting.For longwall face we can simplify the three dimensional hinge- slab problem ( Fig . 1) as plane three hinge arch problem ( Fig2). Similarly, the main roof break in other support boundaries can be simplified in the same way. Fig. 2 - Simplifiedanbsp;...
|Title||:||Ground Control in Mining|
|Publisher||:||CRC Press - 1997-06-30|