Joining structure and joining method for adjacent structures

The described joining structure and method efficiently and strongly connect adjacent structures using a shaft member with a fixing body and socket, addressing labor-intensive issues and weak joint strength in existing methods, ensuring stability under tensile forces.

JP2026084334APending Publication Date: 2026-05-21TAISEI CORP +1
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
TAISEI CORP
Filing Date
2024-11-11
Publication Date
2026-05-21

AI Technical Summary

Technical Problem

Existing methods for joining adjacent structures, such as existing and new structures, face challenges including prolonged construction periods due to labor-intensive surface roughening and difficulties in achieving strong joint strength, especially when the existing structure's thickness is thin, and there are concerns about anchor breakage under tensile forces.

Method used

A joining structure and method involving a shaft member with a fixing body and socket, where the fixing body is anchored to one structure and a socket with segmented parts is fixed to the other, secured by a first nut, allowing efficient and strong connection.

Benefits of technology

Enables efficient and firm joining of adjacent structures, resisting tensile forces during earthquakes or separation attempts, without being affected by the thickness of the existing structure, and preventing nut loosening.

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  • Figure 2026084334000001_ABST
    Figure 2026084334000001_ABST
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Abstract

To provide a joining structure and joining method for adjacent structures that can efficiently and strongly connect structures to each other. [Solution] The joining structure 100 for adjacent structures is such that one end of a shaft member 30 on which tensile force acts is fixed to the first structure 20, and the other end of the shaft member 30 is fixed to the second structure 10 by post-construction, thereby joining the structures 10 and 20 together. The structure includes a shaft member 30 inserted through a through hole 17 provided in the second structure 10, a fixing body 32 fixed to the other end of the shaft member 30, having a larger diameter than the shaft member 30 and being able to be inserted through the through hole 17, a socket 40 having a screw groove 45 on its outer circumference 43 and arranged around the fixing body 32, formed by a plurality of divided parts 42, and a first nut 50 that screws into the screw groove 45 of the socket 40 and fixes to the fixing surface 16 of the second structure 10 by directly or indirectly contacting it.
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