| 摘要 |
FIELD: oil and gas industry.SUBSTANCE: invention refers to advance mine walling from bottom-hole zone and can be used in mining and tunnel construction. Method of advance mine walling by anchors involves advance well drilling and anchor installation in the wells, where bore holes are drilled from bottom-hole zone outside of the designed bottom outline and abutment zone along a curve to the longitudinal axis of future excavation so that the curved bore hole exits to the same excavation, bottom or bottom-hole zone at the other or at the same side, and installation of flexible anchor fixated at both ends so that it can be stretched in the bore hole.EFFECT: method of advance anchorage.3 cl, 5 dwg |
