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Assembling type steel tube concrete combination column

A concrete-filled steel tube, prefabricated technology, applied in the direction of columns, piers, pillars, etc., to achieve the effects of large contact area, reliable bonding and anchoring strength, and simple process

Inactive Publication Date: 2016-04-06
HUAQIAO UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing prefabricated structures complete the component connection in the form of post-cast strips, which still cannot avoid the cast-in-place operation

Method used

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  • Assembling type steel tube concrete combination column
  • Assembling type steel tube concrete combination column
  • Assembling type steel tube concrete combination column

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Please check Figure 1 to Figure 5 , the fabricated steel pipe concrete composite column, including a first column section 10 and a second column section 20 .

[0028] The first column section 10 includes a first steel pipe 11 and a reinforcement cage arranged outside the first steel pipe 11. The first steel pipe 11 is filled with high-strength concrete 12. Concrete is poured on the first steel pipe 11 and the reinforcement cage to form the first external concrete. 13. The first steel pipe 11 has an insertion portion 15 protruding from the first mating surface of the first external concrete portion 13, and the first longitudinal reinforcement 14 of the steel cage has a reserved section 16 protruding from the first mating surface, preferably , the protruding length of the socket part 15 is slightly greater than the protruding length of the reserved section 16 . The first steel pipe 11 is longitudinally arranged in the center of the first outer concrete part 13 and const...

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Abstract

The invention discloses an assembling type steel tube concrete combination column which comprises two column segments. Each column segment comprises a steel tube and a steel reinforcement cage distributed outside the steel tube, wherein the steel tube is filled with concrete, the steel tube and the steel reinforcement cage are cast by concrete so as to form exterior concrete. The first steel tube is provided with a plugging portion stretching out of a first matching face of a first exterior concrete portion. A first longitudinal steel reinforcement bar is provided with a reserved segment stretching out of the first matching face. One end of the second steel tube is fixedly connected with a steel sleeve. A first slot is formed in the steel sleeve. One end of a second longitudinal steel reinforcement bar is fixedly connected with a steel sleeve. A second slot is formed in the steel sleeve. The first matching face of the first column segment is opposite to the second matching face of the second external concrete portion. The plugging portion is plugged into the first slot of the steel sleeve, the reserved segment is plugged into the second slot of the steel sleeve, and sizing materials are injected into a gap between the plugging portion and the steel sleeve and a gap between the reserved segment and the steel sleeve. The assembling type steel tube concrete combination column has the advantages that the two column segments can be prefabricated, the manufacturing precision can be improved, the construction period is shortened, and the mechanical performance is reliable.

Description

technical field [0001] The invention relates to the field of structural engineering in civil engineering, in particular to an assembled steel pipe concrete composite column. Background technique [0002] The prefabricated core steel pipe concrete composite column refers to the composite structure in which the steel pipe is filled with high-strength concrete, the steel pipe is wrapped with ordinary concrete, and steel bars and steel pipes are reserved at the end of the column for easy assembly. The traditional on-site construction method has a low degree of industrialization, and the supporting formwork, maintenance, and formwork removal processes are cumbersome and generate a lot of construction waste; in contrast, the prefabricated structure mainly completes the assembly work on site, which greatly reduces the cast-in-place operation and shortens the construction period. , is less restricted by climatic conditions. However, most of the existing prefabricated structures com...

Claims

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Application Information

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IPC IPC(8): E04C3/34
CPCE04C3/34
Inventor 刘阳王超陈海郭子雄吴渊凯连世洪郑志惠
Owner HUAQIAO UNIVERSITY
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