Wall body construction method and reinforcing bar connection structure

The described method addresses dust ingress and rebar inclination issues by using a connecting member with adjustable shuttles and pins to ensure vertical alignment of reinforcing bars, enhancing structural performance and ease of construction.

JP2025139820APending Publication Date: 2025-09-29KUMAGAI GUMI CO LTD
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Patent Information

Application Number
JP2024038865
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-03-13
Publication Date
2025-09-29

AI Technical Summary

Technical Problem

Existing methods for connecting reinforcing bars in reinforced concrete structures face issues such as dust ingress into sleeves, rebar inclination due to concrete pressure and vibration, and mechanical deterioration from bending, which compromise structural performance.

Method used

A wall construction method involving a reinforcing bar arrangement with protruding ends, followed by concrete pouring to align with a plate, and a connecting member with adjustable shuttles and pins to ensure vertical alignment of wall bars, allowing easy and proper connection without bending.

Benefits of technology

Enables easy and proper connection of vertical wall reinforcements to foundation bars, maintaining structural integrity by preventing bending and inclination, while allowing for smooth movement on the slab surface.

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Abstract

To provide a wall body construction method capable of easily and properly connecting a wall vertical reinforcement to an upper part of a foundation vertical reinforcement.SOLUTION: A wall body construction method for constructing a spandrel wall 4 on an upper surface 1A of a floor structure 1 made of reinforced concrete includes: a reinforcement arrangement step of erecting a foundation vertical reinforcement 10 on a reinforcement structure 6 disposed in a first form 5 for constructing the floor structure 1 and setting a projection amount P of an upper part of the foundation vertical reinforcement 10 from the upper surface 1A of the floor structure 1 with a thickness equal to that of a nut 13; a first placing step of placing concrete in the first form 5 to construct the floor structure 1; a connecting step of connecting the wall vertical reinforcement 25 to the upper part of the foundation vertical reinforcement 10 protruding from the upper surface 1A of the constructed floor structure 1 and erecting the wall vertical reinforcement 25 on the floor structure 1; and a second placing step of placing concrete in a second form 31 in which the wall vertical reinforcement 25 is arranged to construct the spandrel wall 4.SELECTED DRAWING: Figure 3
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