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Forming reinforcing steel bar for prefabricated concrete column or prefabricated concrete beam and production method thereof

A technology for concrete beams and concrete columns, applied in the field of forming steel bars, can solve the problems of high labor cost, high cost, hindering the development of concrete prefabricated buildings, etc., and achieve the effect of reducing production cost and improving production efficiency.

Pending Publication Date: 2021-11-02
GUANGDONG UNIV OF PETROCHEMICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Taking prefabricated concrete columns or prefabricated concrete beams as an example, the processing and installation of steel bars are basically still manual operations, the degree of industrial production is very low, and the labor cost is high, resulting in high production costs of prefabricated concrete components, resulting in The cost of concrete prefabricated buildings is higher than that of cast-in-place buildings, which seriously hinders the development of concrete prefabricated buildings

Method used

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  • Forming reinforcing steel bar for prefabricated concrete column or prefabricated concrete beam and production method thereof
  • Forming reinforcing steel bar for prefabricated concrete column or prefabricated concrete beam and production method thereof
  • Forming reinforcing steel bar for prefabricated concrete column or prefabricated concrete beam and production method thereof

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Experimental program
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Effect test

Embodiment 1

[0062] This embodiment discloses a shaped steel bar for concrete column prefabricated parts or concrete beam prefabricated parts, refer to Figure 1~2 . It includes longitudinal reinforcement 1 and spiral reinforcement 2 embedded in the main body of the concrete column prefabricated part or the concrete beam prefabricated part.

[0063] Longitudinal steel bar 1, its setting direction is parallel to the length direction of the main body of the concrete column prefabricated part or the concrete beam prefabricated part;

[0064] The spiral bars 2 are spirally arranged around the outer side of the longitudinal steel bar 1 according to preset intervals, and are used to hoop the whole of the longitudinal steel bar 1;

[0065] It should be noted that the spiral reinforcement 2 can be one or a combination of steel bars, steel strands, flat steel, thin steel plates, and carbon fibers. The present embodiment spiral bar 2 adopts steel bar.

[0066] The position of the intersection of ...

Embodiment 2

[0069] This embodiment discloses a shaped steel bar for a concrete column prefabricated part or a concrete beam prefabricated part whose cross section is "L" or "T" or "ten". Figure 3-5 .

[0070] Its longitudinal steel bars 1 include a first group of longitudinal steel bars 11 and a second group of longitudinal steel bars 12; its spiral bars 2 include a first group of spiral bars 21 and a second group of spiral bars 22;

[0071] The first group of spiral bars 21 are arranged spirally around the outside of the first group of longitudinal reinforcement bars 11, and are used to hoop the whole of the first group of longitudinal reinforcement bars 11; To hoop the whole of the second group of longitudinal steel bars 12.

[0072] In the formed steel bar of this embodiment, the longitudinal steel bar 1 also includes the zeroth group of longitudinal steel bars 10, and the zeroth group of longitudinal steel bars 10 is hooped by the first group of spiral bars 21 and the second group o...

Embodiment 3

[0077] This embodiment discloses a prefabricated concrete column or concrete beam prefabricated steel bar with a "cage within a cage" situation. Refer to Figure 6~7 .

[0078] Its shaped reinforcement includes inner reinforcement cage A n (the completed reinforcement cage, as the inner reinforcement cage), the third group of longitudinal reinforcement 13 and the third group of spiral reinforcement 23;

[0079] The third group of longitudinal reinforcement 13 is located in the inner reinforcement cage A n outside, the third group of spiral bars 23 surrounds the third group of longitudinal steel bars 13 and the inner reinforcement cage A n The outer helical setting is used to hoop the third group of longitudinal reinforcement 13 and the inner reinforcement cage A n Overall.

[0080] The position of the intersection of longitudinal reinforcement 1 and spiral reinforcement 2 is connected by spot welding.

[0081] It should be noted that no matter whether it is a longitudinal...

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Abstract

The invention discloses a forming reinforcing steel bar for a prefabricated concrete column or a prefabricated concrete beam and a production method thereof, and belongs to the technical field of fabricated buildings. The forming reinforcing steel bar comprises a longitudinal reinforcing steel bar and a spiral bar, wherein the longitudinal reinforcing steel bar and the spiral bar are embedded in a prefabricated concrete main body; the longitudinal reinforcing steel bar is arranged in the length direction of the prefabricated concrete main body; and the spiral bar is spirally arranged around the outer side of the longitudinal reinforcing steel bar and is used for hooping the whole longitudinal reinforcing steel bar. The invention further discloses a forming reinforcing steel bar when the cross section of the prefabricated concrete part is L-shaped or T-shaped or cross-shaped and the reinforcing bar of the prefabricated concrete part belongs to the cage-in-cage condition. The invention further discloses a production method of the forming reinforcing steel bar. The forming reinforcing steel bar can be conveniently and automatically produced in a factory, so that the production efficiency of component prefabrication is greatly improved, and the production cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of prefabricated buildings, and in particular relates to a formed steel bar for a concrete column prefabricated part or a concrete beam prefabricated part and a production method thereof. Background technique [0002] At present, my country is vigorously promoting the development of prefabricated buildings, and various places have invested in the construction of factories producing prefabricated components. However, at present, the production of prefabricated concrete components in factories is still mostly manual work. Taking prefabricated concrete columns or prefabricated concrete beams as an example, the processing and installation of steel bars are basically still manual operations, the degree of industrial production is very low, and the labor cost is high, resulting in high production costs of prefabricated concrete components, resulting in The cost of concrete prefabricated buildings is higher than t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C5/06B21F27/20
CPCE04C5/0609E04C5/0618B21F27/20
Inventor 李胜强
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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