| 摘要 |
A tie roof bolting includes two anchors that are placed in the bore holes of the massif at angle one with respect to another, two tie rods, tension element. The tie rods are arranged as beams made of special profile, on each of those at one end, at the bottom of special profile, an opening is provided, and at the other end at the bottom a cross through cut is provided. The support is equipped with two angle elements with opening in one flange, each angle element goes with the other flange through the cut to inside of special profile with the flange directed towards the first edge of the beam and with rest of the flange at the inner surface of the bottom of special profile, the tension element is installed in the openings of the angle elements, and the beams with openings in bottoms are suspended at the ends of the anchors and are fixed with pressing towards the massif. |
