METHOD TO ERECT FILLING MASS FROM CONSOLIDATING STOWING IN SUBSURFACE MINES Russian patent published in 2011 - IPC E21F15/00 

FIELD: mining.

SUBSTANCE: in process of filling mass erection a tight reservoir is placed in the filled mine, and the reservoir has variable volume and is made of elastic material, and on completion of filling works, but prior to the filling mass hardening, the reservoir is filled with a foreign fluid-like matter. The matter is supplied in this reservoir under pressure. Increase of dimensions of the tight reservoir with the variable volume from the elastic material inside the filling mass results in the fact that the filling material fills all cavities at the contact with the mine walls, and exposure to pressure forms forces that compensate for the filling material shrinkage during hardening. As a result, a permanent and an efficient contact of the filling mass and enclosing rocks is provided along the whole perimetre of the filled mine, and all unwanted geomechanical consequences, which are usually related to availability of unfilled volumes when traditional technologies of filling mass erection are used, are eliminated.

EFFECT: invention makes it possible to increase the bearing capacity of the filling mass.

4 dwg