Koval O. Ground of parameters of guarding construction of entry working for they repeated used.

There are on the defensive the parameters of a new structural-technological chart of guard the repeatedly used entry developments of mines of Western Donbassa - the poured bar with the unloading cavity of the managed geometry at the mechanized method of its erection. The requirements to resursosberegayushey guard construction are developed, for the ground of parameters of which the basic elements of the geomehanicheskoy system are selected "rock massiv-entry shtrek-poured bar": area of the joint-block moving of breeds and disorderly bringing down, direct soil of layer, the guard poured bar with an unloading cavity, arch sup-port drift with the interframe protection and zabutovannim zakrepnim space, the near-by coal cinsisting stratified layer from the side of contiguous entry area. The geomehanicheskaya model of the system is grounded. The system of equalizations of regression of communication of maximums of the resulted tensions (in the poured bar, rock berme, a areh support) with the geomehanicheskimi factors of maintenance of entry drift and managed parameters of the guard poured bar with an unloading cavity is got. Are formulated and grounded criteria of op-timization of GSC of the system. The result of optimization of GSC of the system is presented as a method of choice of rational parameters of the guard poured bar with an unloading cav-ity.