FIELD: mining.
SUBSTANCE: invention relates to method and device for installation of anchor bolts. There is suggested the method and device whereat a tube bolt of closed section is installed into interior section of a well and where an extensible part of the bolt is extended to the contact with the interior section of the well to be anchored in it. A tie positioned in the exterior section of the well and having an interior part fastened to the tube bolt is subject to a preliminary tension. Then a channel is opened for passing of hardening medium for connecting of the tie with an outer space by means of applying pressure of a specified value. Hardening medium is pressed into the exterior section of the well between the tie and a wall of the well which facilitates hardening of the medium.
EFFECT: facilitating fast, rational, economic and safe installation of anchor bolt in strengthened rock.
19 cl, 6 dwg
