| 摘要 |
PURPOSE: A multi-stage pressing type permanent anchor is provided to efficiently reinforce the ground by increasing the rigidity of sub housings when a tension member is tensed. CONSTITUTION: A multi-stage pressing type permanent anchor comprises a fixed head(110), a housing(120), a packer(130), and a tension member(140). The housing is coupled to one side of the fixed head and has a hollow and multiple sub housings. The ends of the sub housings are inclined. The packer is coupled to one side of the housing. One side of the tension member is coupled to the fixed head through the housing and the packer. |
