PROCESS TO SUPPORT ROCK WORKINGS

摘要

FIELD: mining industry. SUBSTANCE: process to support rock workings includes erection of support composed of isometric members along screw spiral in working of round section and laying of fixing compliant spacers between adjacent members. Vertical working of round section is transformed then to one with n angles. Ribs of faces of working are arranged along screw line with step equal to 6R in longitudinal direction, support is then installed with positioning of joints of members in ribs of faces of working. EFFECT: simplified design of support, reduced labor input to erection of support. 2 cl, 4 dwg , 1 tblz