Four-corner steel pipe, corrugated side plate and flat side plate combined column

Abstract

The invention provides a four-corner steel pipe, corrugated side plate and flat side plate combined column. The four-corner steel pipe, corrugated side plate and flat side plate combined column comprises flat webs, cross-shaped stiffening ribs, corner steel pipes and corrugated side plates. The four or more than four corner steel pipes are uniformly arranged to form an edge constraint body; the corner steel pipes in the X direction of the combined column are connected in a welded mode through the corrugated side plates; the corner steel pipes in the Y direction of the combined column are connected in a welded mode through the flat webs; and a hollow columnar structure is defined by the flat webs, the corner steel pipes and the corrugated side plates, the cross-shaped stiffening ribs are arranged in the hollow portion of the columnar structure, and the ends of the cross-shaped stiffening ribs are connected with the corner steel pipes. Under the condition that the limitation of the maximum width-to-thickness ratio is met, the thickness of the webs of the steel pipes of the combined column can be reduced by nearly a half compared with that of a traditional box column; and under the condition of obtaining the same inertia moment, the steel consumption of cross sections is reduced by 20%-30%.

Description

technical field [0001] The invention relates to the technical fields of architecture and civil engineering, in particular to a composite column of square steel pipes, corrugated side plates and flat side plates. Background technique [0002] As a column for load-bearing structures, due to the thin steel plate, there is a problem of instability under pressure. Therefore, the code stipulates that there is a ratio limit between the thickness of the steel plate and the constrained width of the steel plate; this index is called "Aspect ratio limit" (that is, the width of the constrained area of ​​the steel plate / thickness of the steel plate, usually recorded as b / t); the so-called "width of the constrained area of ​​the steel plate" refers to a flat steel plate, between the edges with lateral constraints The width; Ouben's research shows that the moment of inertia index of the component is proportional to the ratio of width to thickness. That is to say, for steel members with th...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a combination column of square steel pipe, corrugated side plate and flat side plate, so as to solve the problems of cumbersome construction, waste of manpower and material resources and poor economy in the traditional structural column in the background technology

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