| 摘要 |
A method for fixation of working with combined anchor support includes determination of depth of zone of destructed rocks, drilling blast holes in contour of working with depth, equal to depth of zone of destructed rocks, drilling blast holes in contour of working with depth, that is larger than depth of zone of destructed rocks, with lag with respect to the face, installation and fixation of anchor support in blasé holes. Depth of blast holesis not larger than , and ratio of depths of blast holes is. To blast holes with depthsone installs rigid anchor support and to blast holes with depths- yielding anchor support. Lag from the faceis not to exceed 5-. |
