ABSTRACT
Results of numerical experiments according to stress of the rocks mass and to formation of zones of the water-conducting cracks at working off of seams ore deposits are presented. It is established that most accepted criterion of strength of the Coulomb-Mohr for valuation of border of a zone of the water carrying out cracks. Numerical experiments have shown essential dependence of zone water carrying out cracks on length of the mined-out space, the seam thickness, rock mechanics and width of interchamber pillar. The offered technique of an assessment of height of distribution of zone water carrying out cracks allows to obtain quickly information on her formation on sites of mine fields for development of recommendations about design of measures of protection of water protective thickness.
