25-11-2009 дата публикации
Номер: CN0101586466A
Принадлежит:
The present invention discloses a pressure type anchor rod, including a draw rod, a supporting body and a grouting body, wherein the draw rod is a strip-shaped member capable of being drawn; the supporting body is conjoined to the bottom of the draw rod and is a metal entity for translating a tensile force received by the draw rod to a pressure to transmit to the grouting body, the grouting body has a pole shape identical to a borehole shape and at least includes a first grouting body and a second grouting body made of different materials, the first grouting body and the second grouting body are neighboring and arranged along the length direction of the draw rod. The pressure type anchor rod of the invention is a pressure diffusion type anti-plucking miniature pile, an reinforcement metal is anchored on the supporting body locating on an end of the pile through mechanically coupled joints, the pile body is poured by a slurry inverse grouting technique that a common concrete mortar is first ...
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