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Cellular steel web-concrete filled steel tube flange H-shaped section composite column

A concrete-filled steel tube and honeycomb technology, applied in the direction of columns, piers, pillars, etc., can solve the problems of "expansion ratio limitation of the section, can not meet the needs of the project, weaken the shear capacity of the steel column, and achieve light weight, beautiful and The effect of remarkable economic benefits and superior seismic performance

Inactive Publication Date: 2015-01-07
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual engineering, in order not to weaken the shear capacity of the steel column too much, the "expansion ratio" of its section will be limited
In this case, especially for the bending column with a large bending moment, its flange may lose its bearing capacity in advance, so that it cannot meet the engineering needs

Method used

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  • Cellular steel web-concrete filled steel tube flange H-shaped section composite column
  • Cellular steel web-concrete filled steel tube flange H-shaped section composite column

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0027] Usually the steel pipe, honeycomb steel web and its welding are completed in the factory; pouring concrete into the steel pipe is completed at the construction site.

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Abstract

The invention discloses a cellular steel web-concrete filled steel tube flange H-shaped section composite column, comprising a concrete filled steel tube flange 1, a concrete filled steel tube flange 2 and a steel web, wherein the steel web is arranged between the concrete filled steel tube flange 1 and the concrete filled steel tube flange 2; the steel web is a cellular web with a hole in the center, and is composed of two steel plates which are same in shape and are provided with gaps in the edges; the two steel plates are welded through a butt weld joint to form the cellular web. On the premise of not increasing steel materials, relatively high bending strength and rigidity are obtained, and the stable bearing capacity is improved.

Description

technical field [0001] The invention relates to the technical field of a novel building structure, in particular to a honeycomb steel web-concrete steel tube flange H-shaped composite column. Background technique [0002] In recent years, the output, variety, and specifications of domestic steel and steel products have been greatly improved, and the design, manufacture, and installation of steel structures have been greatly improved. Steel structures have achieved extraordinary development in China. [0003] Due to the shortcomings of reinforced concrete columns such as heavy weight and poor crack resistance, it is difficult to meet the requirements of bearing capacity and durability, thus limiting its scope of application; while steel columns have high strength, light weight, good seismic performance, and strong deformation capacity. , short construction period, good and rich architectural art expression ability, etc., are generally favored by architects. In the years of p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/36
Inventor 郑廷银褚秋云金相继
Owner NANJING UNIV OF TECH
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