Combined-type steel tube concrete column

A steel tube concrete column, combined technology, applied in the direction of columns, pier columns, pillars, etc., can solve the problems of poor weld quality, inconvenient pouring and vibration, engineering hidden dangers, etc., and can easily guarantee the bearing capacity, Convenient construction and reliable combination effect

Inactive Publication Date: 2013-03-27
金天德 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The outer ring plate is generally large in size, has a great impact on the building, has poor adaptability and flexibility, and is rarely used
However, electroslag welding is required to install the inner partition, the quality of the weld is not easy to achieve full penetration, and the welding residual stress is very large; the inner partition divides the concrete into several sections, which is inconven

Method used

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  • Combined-type steel tube concrete column
  • Combined-type steel tube concrete column
  • Combined-type steel tube concrete column

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Refer to attached Figure 1-3 , a composite steel pipe concrete column, including two "H" shaped steel 1, the two steel sections are vertically arranged, welded together by the flange; the web of the steel section is provided with shear studs 2 along the height direction Concrete 3 is poured into the cavity surrounded by the splicing of the two section steels, and the concrete and the section steel are connected into one body through the shear bolts. The H-shaped steel is hot-rolled H-shaped steel. The concrete is ordinary concrete. The welds between the flanges are connected by split welds.

Embodiment 2

[0022] Refer to attached Figure 4-6 , a composite steel pipe concrete column, including two "H" shaped steel 1, the two steel sections are vertically arranged, welded together by the flange; the web of the steel section is provided with shear studs 2 along the height direction Concrete 3 is poured into the cavity surrounded by the splicing of the two section steels, and the concrete and the section steel are connected into one body through the shear bolts. The H-shaped steel is welded H-shaped steel. The concrete is high-strength concrete. A reinforcing plate 4 parallel to the web is provided between the H-shaped steel flanges. The welds between the reinforcing plate and the flange and between the flanges are connected by fillet welds.

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PUM

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Abstract

The invention discloses a combined-type steel tube concrete column which comprises two 'H'-shaped sectional steel which is vertically arranged and are welded integrally through flanges; a web of the sectional steel is provided with a shearing resistant bolt screw along the height direction; concrete is poured into a cavity enclosed by splicing the two sectional steels; and the concrete and the sectional steel are connected integrally through the shearing resistant bolt screw. According to the invention, internal baffle plates are not required to be arranged, so the combined-type steel tube concrete column is simple to manufacture; concrete in the column is integral, and is convenient to pour; the combination effect of sectional steel tubes and concrete is reliable, and the bearing capability is easy to guarantee; and the construction and manufacturing are convenient, and the economical performance is superior.

Description

technical field [0001] The invention belongs to the technical field of building structure engineering, in particular to a composite steel pipe concrete column. Background technique [0002] At present, steel structures often use rectangular concrete-filled steel tube columns, that is, steel tubes are filled with concrete. The steel tubes restrain the concrete, increasing the strength and ductility of the concrete; Tensile properties of steel and compressive properties of concrete. However, the prerequisite for this kind of joint work is that the concrete inside the pipe is a continuous body and is in close contact with the steel pipe. [0003] The commonly used structure in the beam-column joint area is to set an outer ring plate or an inner diaphragm inside the tube. The outer ring plate is generally large in size, has a great impact on the building, has poor adaptability and flexibility, and is rarely used. However, electroslag welding is required to install the inner p...

Claims

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Application Information

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IPC IPC(8): E04C3/34
Inventor 金天德童根树叶再利
Owner 金天德
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