Title:
A pre tension method centrifugal force concrete stake provided with a line from steel, and a manufacturing method for the same
Document Type and Number:
Japanese Patent JP6165357
Kind Code:
B2
Abstract:
A pre-tensioned centrifugal concrete pillar includes a concrete body, a steel cage including a plurality of pre-stressed rebars, a plurality of stirrups; and two plates, the rebars are steel strands, a plurality of conical through holes are provided on the plate, and multiple clips are disposed inside each conical through hole, each clip having a toothed inner surface, the multiple clips are spliced together to form a chock assembly for clamping each steel strand, and a peripheral surface of the chock assembly has a conical surface; a clamping hole is formed in the center of the chock assembly, the steel strand passes through a clamping hole and is clamped tightly. A method for manufacturing a pre-tensioned centrifugal concrete pillar is also included.
Inventors:
YU,Xiangyang
Dried steel
Sora Kai
Dried steel
Sora Kai
Application Number:
JP2016564367A
Publication Date:
July 19, 2017
Filing Date:
January 19, 2015
Export Citation:
Assignee:
YU,Xiangyang
International Classes:
E02D5/58; B28B23/08; B28B23/10; E02D5/30
Domestic Patent References:
| JP9049230A | ||||
| JP2008126544A | ||||
| JP6173391A | ||||
| JP61038826A | ||||
| JP2005240504A |
Foreign References:
| US5509759 |
Attorney, Agent or Firm:
Hidetada Kato
Masateru Misaki
Masateru Misaki