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Tension anchoring device and tension anchoring method of prestressed frp mesh

An anchoring device and prestressing technology, applied in the direction of building maintenance, construction, building construction, etc., to achieve the effect of eliminating stress concentration and improving the effect of reinforcement

Active Publication Date: 2017-10-10
SOUTHEAST UNIV +1
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Purpose of the invention: the present invention aims at applying prestress to the FRP grid to reduce structural deformation and make full use of the material strength when the FRP grid is used to reinforce the reinforced structure In the case of the FRP mesh, it provides a device that is convenient and reliable for tensioning the FRP mesh

Method used

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  • Tension anchoring device and tension anchoring method of prestressed frp mesh
  • Tension anchoring device and tension anchoring method of prestressed frp mesh

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Embodiment Construction

[0031] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0032] Such as figure 1 As shown, the present invention is a tension anchoring device suitable for applying prestress to FRP grids, including an upper platen 1 , a lower liner plate 2 and a connecting piece 3 . Wherein the upper pressing plate 1 and the lower liner 2 are processed steel plates. Connector 3 consists of four sets of bolts and nuts.

[0033] Such as figure 2 As mentioned above, the surface of the steel plate of the upper platen 1 is processed with conve...

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Abstract

The invention discloses a tensioning anchoring device and tensioning anchoring method suitable for a FRP grid with applied pre-stress; the tensioning anchoring device comprises a lower liner plate, an upper platen, and a connector fastening the upper platen with the lower liner plate; the top surface of the lower liner plate is provided with grooves used for nesting the FRP grid and having equal intervals with the FRP grid vertical and horizontal fiber wood; the bottom surface of the upper platen is provided with convex ribs clamped into the grooves, wherein the convex ribs comprises transverse ribs and vertical ribs; the bottom of the groove and one side face, bearing the grid shearing force, of the groove are provided with a first cushion layer; the convex surface of the convex ribs are provided with a second cushion layer. The FRP grid can be applied with pre-stress so as to reinforce a structure, thus fully expressing fiber reinforced composite material intensity, and improving reinforcing effect.

Description

Technical field: [0001] The invention is a grid tension anchoring device, which is applicable to the technical fields of civil engineering and traffic structure reinforcement, and is especially suitable for applying prestress to old buildings by using grid-shaped fiber-reinforced composite materials to enhance the structural bearing capacity. Background technique: [0002] At present, many buildings are under harsh environments such as severe cold, ocean, industry, and alpine climate. The building structure is gradually aging, and the bearing capacity of local components is reduced, which brings great safety hazards to the structure. [0003] Fiber-reinforced composite (FRP) is a material formed by winding, molding or pultrusion of fibers and matrix materials. It has the characteristics of high tensile strength, light weight, corrosion resistance and fatigue resistance. These characteristics make FRP material can be used as a good structural reinforcement material. [0004]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G23/02
CPCE04G23/0218E04G2023/0259E04G2023/0262
Inventor 汪昕吴智深朱中国贺卫东陈功
Owner SOUTHEAST UNIV
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