| 摘要 |
A rock bolting support includes two anchors that are placed in bore holes of massif at angle one with respect to another and connected to tie rod as a pin through pad devices arranged as rods with two parallel openings near the ends and the third opening between those arranged at angle to the two other ones, bearing element that is laid to the pin with support at massif. The support is equipped with additional tie rod as second pin. Both pins go with the ends into parallel openings of the rods and are fixed with nuts at the side of the opposite ends of the openings. The anchors go to the third openings of the rods and are fixed in that position, and the bearing element is additionally laid on the other pin with support at massif. |
