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Prestressed spiral rib steel wire with large diameter and high strength and manufacturing method thereof

A technology of spiral rib steel wire and production method, which is applied in the direction of building reinforcements, roads, textiles and papermaking, etc., can solve the problems of high cost and high production cost, and achieve the effect of improving quality, excellent mechanical properties and increasing grip force

Active Publication Date: 2013-01-09
SILVERY DRAGON PRESTRESSED MATERIALS CO LTD
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Problems solved by technology

[0006] However, the large-diameter high-strength prestressed spiral rib steel wire (steel bar) produced in the prior art cannot meet the requirements of use, the production cost is high, and the cost is large, so it needs further improvement to adapt to the requirements of railway modernization

Method used

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  • Prestressed spiral rib steel wire with large diameter and high strength and manufacturing method thereof
  • Prestressed spiral rib steel wire with large diameter and high strength and manufacturing method thereof
  • Prestressed spiral rib steel wire with large diameter and high strength and manufacturing method thereof

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Embodiment Construction

[0021] In order to make the purpose, technical solution and advantages of the present invention clearer, the large-diameter high-strength prestressed spiral rib steel wire and its production method of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention rather than limit the present invention.

[0022] like figure 1 As shown, the large-diameter high-strength prestressed spiral rib steel wire of the embodiment of the present invention, as a possible implementation, includes a base round steel wire, and 4 continuous helical raised spirals that rotate around the base round steel wire Ribs, the four continuous spiral ribs continuously rotate around the base round steel wire, and the four continuous raised spiral ribs form 90 degrees to each other at the cross section of the base round steel wire. ...

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Abstract

The invention discloses a prestressed spiral rib steel wire with large diameter and high strength and a manufacturing method thereof. The prestressed spiral rib steel wire with the large diameter and the high strength comprises a base circle steel wire and 4 spiral ribs which rotate around the base circle steel wire to form a continuous spiral protrusion, wherein the 4 continuous spiral ribs rotate around the base circle steel wire continuously; and the 4 spiral ribs with the continuous protrusion form an angle of 90 degrees with each other at a transverse section of the base circle steel wire, so that the strength and the prestress of the spiral rib steel wires are improved, and the gripping force between the prestressed spiral rib steel wire and concrete is increased.

Description

technical field [0001] The invention relates to the technical field of steel and its production, in particular to a large-diameter high-strength prestressed spiral rib steel wire for ballastless track slabs of high-speed railways and a production method thereof. Background technique [0002] my country's railway transportation is advancing towards modernization. On the one hand, it is speeding up the transformation of the original railways, and on the other hand, it is speeding up the construction of intercity high-speed passenger dedicated lines. The construction of high-speed passenger dedicated lines in my country is in full swing. According to the latest news, the national railway mileage will reach 110,000 km in the next three years, including 13,000 km of high-speed passenger dedicated lines. [0003] For such a high train speed, first of all, the track construction should be innovated to ensure the safe operation of high-speed trains. [0004] According to the experi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C5/03E04C5/08E01B3/34
CPCD07B1/0693D07B5/005D07B2501/2023
Inventor 谢志峰谢铁根余景岐闫崇健谢志安谢志元
Owner SILVERY DRAGON PRESTRESSED MATERIALS CO LTD
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