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Inner truss type steel tube concrete L-shaped column and construction method thereof

A steel tube concrete and inner truss type technology, applied in the field of special-shaped columns, to achieve the effects of fast and convenient construction, convenient pouring of concrete, and improved bearing capacity

Inactive Publication Date: 2015-12-02
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are still many problems in the existing CFST column

Method used

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  • Inner truss type steel tube concrete L-shaped column and construction method thereof
  • Inner truss type steel tube concrete L-shaped column and construction method thereof
  • Inner truss type steel tube concrete L-shaped column and construction method thereof

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Embodiment Construction

[0019] Such as image 3 , Figure 4a and Figure 4b As shown, the inner truss-type concrete-filled steel tube L-shaped column of the present invention mainly includes the outer-wrapped steel pipe 1, the inner-filled concrete 4 and the inner truss. Among them, the basic components of the inner truss are T-shaped steel 2 and strip 3. In this embodiment, there is a set of T-shaped steel flange plates welded vertically to form an inner truss subunit. In addition, there are 2 T-shaped steels, the webs of these two T-shaped steels are welded with strips, and the other end of the strips is welded to the T-shaped steel webs in the inner truss subunit.

[0020] Such as Figure 4b As shown, an L-shaped frame is formed after welding. In other words, the T-shaped steel and the inner truss subunits 2a are located at the three corners of the quadrangle, or in other words, at the three corners of a quadrangular column. From Figure 4a and Figure 4b It can be seen that there are two ...

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Abstract

The invention discloses an inner truss type steel tube concrete L-shaped column and a construction method thereof. The inner truss type steel tube concrete L-shaped column comprises a wrapping steel tube, filling concrete and an inner truss; the inner truss comprises T-shaped steel, inner truss subunits and T-shaped steel web lacing bars; the inner truss subunits are formed by welding the T-shaped steel; the T-shaped steel web lacing bars are longitudinally welded in a T-shaped steel web and the inner truss subunits along the T-shaped steel in a stacked manner; the T-shaped steel and the inner truss subunits are positioned at edges and corners of a quadrangle; the cross section of the wrapping steel tube is inversely L-shaped or n-shaped; and the wrapping steel tube is fixedly welded with flange plates of the T-shaped steel. The inner truss is tensioned at a corner of a special-shaped steel tube, so that effective width of a steel plate is reduced, a fulcrum is provided for deformation of the steel plate out of a plane, anti-unsteady capability of the steel plate can be improved, a hooping effect of the column is improved, and the bearing capacity of a steel tube concrete special-shaped column is improved obviously.

Description

technical field [0001] The invention relates to a special-shaped column, in particular to a steel pipe concrete special-shaped column. Background technique [0002] With the development of society and the gradual improvement of residents' living standards, residents generally hope that the four corners of the house can be smooth, neat and beautiful. This forms the design idea of ​​the special-shaped column structure. However, with the gradual increase of high-rise and ultra-high-rise buildings and the increase of the upper load, the bearing capacity of traditional reinforced concrete special-shaped columns can no longer meet the engineering requirements for bearing capacity. [0003] Compared with the traditional reinforced concrete structure, due to the hoop effect of the outer steel pipe on the concrete in the core area, the compressive bearing capacity of the column has been significantly improved. However, there are still many problems in the existing steel tube concre...

Claims

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Application Information

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IPC IPC(8): E04C3/36E04G21/00
Inventor 伍凯曹平周张贺徐方媛南洋
Owner HOHAI UNIV
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