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Title:
PCa JOINT MEMBER
Document Type and Number:
Japanese Patent JP2023082539
Kind Code:
A
Abstract:
To provide a PCa joint member which has PCa members connected to each other via tendons in an unbonded state, capable of inhibiting or suppressing the breakage of the PCa members in a joint area due to the rust development of the tendons or the collision of the tendons with sheath pipes.SOLUTION: A PCa joint member 100 has PCa members 10, 20 including a plurality of precast-concrete sheath pipes 16, 26 joined to each other while allowing the communication of the corresponding sheath pipes 16, 26 therewith to form a communication sheath pipe 30. Tendons 17, 27 are inserted into all the communication sheath pipes 30, the tendons 17, 27 are strained in an unbonded state. and a rust-proofing material 50 is applied to a joint area A straddling a joint interface 80 between at least two PCa members 10, 20, out of the tendons 17, 27.SELECTED DRAWING: Figure 1

Inventors:
ZHU YING
Application Number:
JP2021196378A
Publication Date:
June 14, 2023
Filing Date:
December 02, 2021
Export Citation:
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Assignee:
FUJITA CORP
International Classes:
E04B1/58; E04B1/21; E04C3/22; E04C3/26; E04C3/44
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito



 
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