| 摘要 |
PURPOSE: A movable adhesive packer for the head part of a borehole is provided to prevent grout from flowing out from a borehole by completely sealing the inner surface of the borehole. CONSTITUTION: A movable adhesive packer for the head part of a borehole comprises an elliptical packer(10) and multiple fixing pins(20). The packer is formed in a flexible rubber tube shape. An injection port(13) is formed on the outer surface of the packer. The fixing pins are installed on the outer surface of the packer and are adhered to the inner surfaces of boreholes formed in the ground. The fixing pins are composed of metal and synthetic resin materials and have stopper protrusions(21), fixing legs(23), and multiple fixing protrusions(22). |
