Assembled prestressed carbon fiber plate tensioned anchorage system, and anchorage method thereof

A carbon fiber board, prestressed technology, used in building maintenance, structural elements, building components, etc., can solve the problems of low strength, large weight, easy to corrode, etc., to achieve stable quality performance, high reuse rate, and small headroom impact. Effect

Inactive Publication Date: 2017-10-27
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Compared with the carbon fiber plate reinforcement method, the paste steel plate reinforcement method, whic

Method used

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  • Assembled prestressed carbon fiber plate tensioned anchorage system, and anchorage method thereof
  • Assembled prestressed carbon fiber plate tensioned anchorage system, and anchorage method thereof
  • Assembled prestressed carbon fiber plate tensioned anchorage system, and anchorage method thereof

Examples

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Example Embodiment

[0073] Example

[0074] An assembled prestressed carbon fiber plate tension anchoring system and its anchoring method in this embodiment are shown in the figure, and the I-beam is reinforced against bending to improve the bending bearing capacity of the original member. The installation position of the anchorage is on the lower flange plate of the steel beam 1. The tension anchor system includes outer lock nut 2, through-hole jack 3, spherical washer I-4, inner lock nut 5, spherical washer II-6, reaction frame 7, threaded rod 8, anchor cover 9, Anchor base plate 10, wedge splint 11, steering block 12, pin 13, steering block pressing plate 14, anchoring plate 15, carbon fiber plate 16, and anchoring rail seat 18. The fixed-end anchor 17 has basically the same overall structure and accessory names as the tension-end anchor.

[0075] The anchor cover plate 9 and the bottom plate 10 are formed by precision casting of ductile iron, and the two are connected as a whole by 10 M10 b...

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Abstract

The invention discloses an assembled prestressed carbon fiber plate tensioned anchorage system, and an anchorage method thereof. The assembled prestressed carbon fiber plate tensioned anchorage system comprises a tensioning assembly, a tensioning end anchorage device, two anchorage plates and a fixing end anchorage device, wherein the two ends of a carbon fiber plate are respectively fixed on a to-be-strengthened steel girder through the tensioning end anchorage device and the fixing end anchorage device, the anchorage plates are coated on the carbon fiber plate and pretensioned together with the steel girder, the tensioning assembly is connected with the tensioning end anchorage device, the carbon fiber plate is pretentioned by applying jacking force to a counter-force frame through the tensioning assembly, and after the tensioning of the carbon fiber plate is completed, the carbon fiber plate is fastened on the steel girder by the anchorage plates through locking pieces. The assembled prestressed carbon fiber plate tensioned anchorage system has the beneficial effects that after strengthening is completed, the anchorage devices and the tensioning assembly can be removed from a steel structure, and only the carbon fiber plate and the anchorage plates on the two ends are left, so that the economy is good. The carbon fiber plate is fit with the surface of the steel structure through a steering block, and adhesion strengthening is formed by utilizing special epoxy glue, thus being beneficial to overall stress of the structure.

Description

[0001] Field [0002] The invention belongs to the technical field of structural reinforcement, is applicable to the reinforcement design and construction of steel structures and steel-concrete composite structures, and relates to an assembled prestressed carbon fiber plate tension anchor system and an anchor method. Background technique [0003] Carbon fiber material is a lightweight structural material with excellent performance. It was first used in the aerospace field and is currently widely used in civil structures. As a reinforcement material, its technical indicators have been developed from non-prestressed reinforcement directly attached to the surface of the structure to prestressed reinforcement with a large amount of reinforcement and high material utilization. According to literature research, the limitation of the existing prestressed carbon fiber reinforcement technology is that it only strengthens concrete structures, and there are very few systematic studies on...

Claims

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Application Information

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IPC IPC(8): E04C5/12E04G23/02
CPCE04C5/125E04G23/0218
Inventor 黄侨宋世刚万世成
Owner SOUTHEAST UNIV
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