Column base structure

The column base structure effectively transmits axial forces from H-shaped steel braces to the base plate through a main body, diaphragm, and H-shaped steel bracket configuration, improving load distribution and stability.

JP7876367B2Active Publication Date: 2026-06-19TAKENAKA CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
TAKENAKA CORP
Filing Date
2022-07-25
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Conventional column base structures fail to effectively transmit axial forces acting on H-shaped steel braces to the base plate, leading to inefficiencies in load distribution.

Method used

A column base structure comprising a main body with a rectangular cross-section, a diaphragm, a base plate, and a bracket made of H-shaped steel, where the web of the bracket is joined to both the base plate and the main body, ensuring effective transmission of axial forces.

Benefits of technology

The configuration allows for efficient transmission of axial forces from the H-shaped steel brace to the base plate, enhancing load distribution and stability during earthquakes or similar events.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

To provide a column base structure for effectively transmitting the axial force acting to a brace of H-shaped steel to the column base part.SOLUTION: A column base structure comprises: a body part with the cylindrical shape of a rectangular cross section and with the lower end part of a steel pipe column jointed to the upper end part of the body part; a diaphragm provided to the upper end part of the body part; a base plate fitted to the lower end part of the body part and supporting the steel pipe column via the body part; and a bracket of H-shaped steel, with one end part of an upper flange jointed to the diaphragm, with one end part of a lower flange jointed to the base plate, with one end part of a web jointed to at least one of the base plate and the body part, and with a brace of H-shaped steel connected to the other end part.SELECTED DRAWING: Figure 3
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