Large-sized deformed bar and manufacturing method thereof

A manufacturing method and large-scale technology, applied in the direction of building structure, structural elements, building components, etc., can solve problems such as unfavorable earthquake resistance, unfavorable cost saving, increase of construction project weight, etc., to improve mechanical strength and corrosion resistance, improve Surface quality, the effect of improving drawing efficiency

Inactive Publication Date: 2015-08-19
杭州蓝筹企业管理有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, most domestic enterprises adopt the micro-alloying hot-rolling process for production. However, the threaded steel bars produced by the hot-rolling process are all solid structures, which is not conducive to saving costs, and increases the self-weight of construction projects, which is not conducive to earthquake resistance.

Method used

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  • Large-sized deformed bar and manufacturing method thereof
  • Large-sized deformed bar and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0023] Such as Figure 1-2 Shown, the large size special-shaped steel bar of the present invention comprises:

[0024] A bare wall section, the bare wall section has two sections, which are respectively arranged at both ends of the large-size special-shaped steel bar;

[0025] A corrugated section, the corrugated section is arranged in the middle of the large-size special-shaped steel bar, and the two ends of the corrugated section are respectively connected with the smooth wall sections located at both ends; the shape of the corrugated section is a spiral waveform.

[0026] Further, the large-scale special-shaped steel bar is a hollow structure, and the wall thickness T of the large-scale special-shaped steel bar is 0 is 3mm, the diameter D of the light wall section of the large-scale special-shaped steel bar 0 20mm, and the diameter of the smooth wall section of the large-scale special-shaped steel bar is equal to the diameter of the waveform section; the total length L of...

Embodiment 2

[0038] Such as Figure 1-2 As shown, the large-scale special-shaped steel bars include:

[0039] A bare wall section, the bare wall section has two sections, which are respectively arranged at both ends of the large-size special-shaped steel bar;

[0040] A corrugated section, the corrugated section is arranged in the middle of the large-size special-shaped steel bar, and the two ends of the corrugated section are respectively connected with the smooth wall sections located at both ends; the shape of the corrugated section is a spiral waveform.

[0041] Further, the large-scale special-shaped steel bar is a hollow structure, and the wall thickness T of the large-scale special-shaped steel bar is 0 is 6mm, the diameter D of the light wall section of the large-scale special-shaped steel bar 0 40mm, and the diameter of the smooth wall section of the large-scale special-shaped steel bar is equal to the diameter of the waveform section; the total length L of the large-scale speci...

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Abstract

The invention discloses a large-sized deformed bar and a manufacturing method thereof. The large-sized deformed bar comprises polished wall sections and a waveform section, wherein the two polished wall sections are respectively arranged at two ends of the large-sized deformed bar; the waveform section is arranged in the middle of the large-sized deformed bar, and the two ends of the waveform section are respectively connected with the polished wall sections at the two ends; and the waveform section is shaped like a spiral waveform. The manufacturing method of the large-sized deformed bar mainly comprises the following steps: smelting; hot-rolling of a seamless pipe; thermally treating; surface-treating; reducing and drawing; cold-rolling and moulding; and examining and putting into a storeroom. The large-sized deformed bar disclosed by the invention disclosed by the invention is moderate in manufacturing cost, high in mechanical strength, good in corrosion resistance and excellent in anti-seismic property.

Description

technical field [0001] The invention relates to a building material, in particular to a large-scale special-shaped steel bar and a manufacturing method thereof. Background technique [0002] Threaded steel bar for reinforced concrete is a key material widely used in various construction projects at home and abroad, and it is also a key product mass-produced by various steel plants in my country's metallurgical industry. With the rapid development of the construction industry, buildings have put forward higher quality standards for this product. Only high-strength threaded steel bars with good plasticity, weldability, fatigue resistance and cohesiveness can meet the needs of high-rise buildings, large-span, earthquake resistance, low temperature resistance, corrosion resistance and other high-end construction projects, and can save energy. steel for the purpose of reducing costs. For this reason, most domestic enterprises adopt the micro-alloying hot-rolling process for pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C5/02C22C38/60C22C38/54C22C33/04
Inventor 吴小钢林芷仪廖林赵国安马军陈浩翔陈缘
Owner 杭州蓝筹企业管理有限公司
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