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A circular section multilayer sheet type cfrp cable system

A technology of multi-layer sheets and circular cross-sections, which is applied in the direction of buildings, building reinforcements, building components, etc., can solve the problems of poor wind-induced vibration resistance of cables and difficult anchoring of cables, so as to save costs and reduce anchorage. With size, the effect of improving self-damping

Active Publication Date: 2021-08-06
重庆卓越强森新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention can effectively solve the problems of the difficulty in anchoring the rod-shaped CFRP cable with a circular cross-section and the poor wind-induced vibration resistance of the CFRP cable with a rectangular cross-section, and further improve the performance and applicability of the CFRP cable

Method used

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  • A circular section multilayer sheet type cfrp cable system
  • A circular section multilayer sheet type cfrp cable system
  • A circular section multilayer sheet type cfrp cable system

Examples

Experimental program
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Effect test

example 1

[0031] According to the method, the outer diameter of the polyethylene pipe sheath is 100mm (inner diameter 96mm, thickness 2mm), and the thickness of the sheet is 1.6mm;

[0032] The thickness of each layer of CFRP sheet is 1.6mm, and the thickness of each layer of sheet-type foam is 1.6mm;

[0033] The width of the middle layer of CFRP sheet

[0034] up or down from the middle

[0035] Layer 1 width is:

[0036] Layer 2 width is:

[0037] Calculate layer by layer to:

[0038] Layer 13 width is:

[0039] Layer 14 width is:

[0040] Sheet type foam up or down from the middle layer

[0041] Layer 1 width is:

[0042] Layer 2 width is:

[0043] Calculate layer by layer to:

[0044] Layer 13 width is:

[0045] Layer 14 width is:

[0046] According to the calculation given above, this example 1 can determine the number of layers of CFRP sheets: 2×14+1=29 layers, as attached Figure 4 shown;

[0047] The number of sheet-type foam layers is: 2×14=28 la...

example 2

[0055] Compared with example one, this example two adopts said method to determine the circular section and the same implementation steps; the difference is that the outer diameter of the polyethylene pipe sheath is 120mm (inner diameter 114mm, thickness 3mm), and the sheet thickness 1.8mm;

[0056] The thickness of each layer of CFRP sheet is 1.8mm, and the thickness of each layer of sheet-type foam is 1.8mm;

[0057] The width of the middle layer of CFRP sheet

[0058] up or down from the middle

[0059] Layer 1 width is:

[0060] Layer 2 width is:

[0061] Calculate layer by layer to:

[0062] Layer 14 width is:

[0063] Layer 15 width is:

[0064] Sheet type foam up or down from the middle layer

[0065] Layer 1 width is:

[0066] Layer 2 width is:

[0067] Calculate layer by layer to:

[0068] Layer 14 width is:

[0069] Layer 15 width is:

[0070] According to the calculation given above, the number of layers of CFRP sheet can be determined ...

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Abstract

The invention discloses a circular section multi-layer sheet-type CFRP cable system, which relates to the technical fields of civil engineering and composite materials. Including CFRP sheet, sheet type foam, arc type foam, polyethylene pipe jacket, upper corrugated plate, lower corrugated plate, wave plate, bolts, nuts and washers. CFRP sheets of different widths are superimposed according to the law of gradually decreasing width size of each layer from the middle to the top. The vertices of the outer edge of the foam are inscribed together with a circle to form a virtual circular section, and the outer part is wrapped with a polyethylene tube sheath; in the anchoring section, wave clips are used to space CFRP sheets, and wave clips are used for clamping and anchoring. The invention overcomes the shortcoming of the difficulty in anchoring of the round section bar type CFRP cable, solves the problem of poor wind-induced vibration resistance of the rectangular section sheet type CFRP cable, and can be applied to cable-stayed bridges, suspension bridges and space cable structures.

Description

technical field [0001] The invention relates to the fields of civil engineering, mechanical engineering, composite material technology and the like, and in particular relates to a CFRP cable system of circular cross-section multilayer sheet type. Background technique [0002] CFRP (Carbon Fiber Reinforced Polymer, carbon fiber reinforced plastic) is a new type of high-performance composite material, which is composed of carbon fiber and a polymer matrix wrapped with carbon fiber. CFRP has many excellent mechanical properties such as light weight, high strength, corrosion resistance, fatigue resistance, low creep, and high damping. The cables made of CFRP can solve the problems of excessive weight, insufficient strength, low load-bearing efficiency, and poor durability of steel cables. and other shortcomings. Replacing steel cables with CFRP cables in highly corrosive environments such as long-span bridges and space structures, marine and chemical plants, and fatigue-prone e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C5/07E04C5/08E04C5/12
CPCE04C5/07E04C5/085E04C5/127
Inventor 刘越解佳展朵永玉张宏涛韩强白玉磊田学帅韦青
Owner 重庆卓越强森新材料科技有限公司
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