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Basalt fiber and carbon fiber compound geogrid with electric heating function

A basalt fiber and composite geotechnical technology, applied in the direction of roads, pavement details, road construction reinforcements, etc., can solve the problems of difficulty in dispersing conductive fillers, weakening the mechanical properties of asphalt, weakening the strength of the pavement, etc., so as to delay the occurrence of cracks and prolong the Fatigue life, deflection reduction effect

Inactive Publication Date: 2010-05-05
ZHEJIANG GBF BASALT FIBER
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] Although various automatic thermal control snowmelt methods have been successfully applied in engineering, each method still has many disadvantages: using circulating thermal fluid to heat the road surface needs to bury dense pipelines in the road surface, which will weaken the strength of the road surface. Corrosion, leakage and other inconvenient maintenance
Since asphalt itself is not conductive, a large amount of conductive filler needs to be added to prepare conductive asphalt, which makes it difficult to disperse the conductive filler and weakens the mechanical properties of the asphalt

Method used

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  • Basalt fiber and carbon fiber compound geogrid with electric heating function

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Embodiment 1

[0020] Embodiment 1: Adopt Taili continuous carbon fiber produced by Formosa Plastics Group, first coat epoxy resin (grade: E-44) on the surface of the carbon fiber bundle, and paste it on the mesh with a mesh size of 25mm×25mm when the epoxy resin is not completely cured On the weft yarn of the basalt fiber geogrid (produced by Zhejiang Shijin Basalt Fiber Co., Ltd.). And put a braided plastic sleeve with a length of about 5cm on the place where the carbon fiber bundle protrudes from the grid, so as to prevent the carbon fiber from breaking when it protrudes from the grid. Finally, copper lugs are connected to both ends of the carbon fiber and fixed on the copper plate electrodes.

[0021] The structure of the electric heating pavement used for manufacturing is as follows: the composite pavement lower layer is prepared according to C30 concrete, and the mix ratio is: cement: water: sand: gravel=1:0.4:1.23:3. The cement is 42.5 ordinary Portland cement produced by Huaxin Ceme...

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Abstract

The invention discloses a basalt fiber and carbon fiber compound geogrid with electric heating function, which is formed by compounding materials of basalt fiber, carbon fiber beams, modified asphalt, polyacrylic emulsion or high temperature resistant heat convertible resin and the like. The geogrid not only has the function of reinforcement, but also has the functional characteristic of electric heating effect, has simple construction, low manufacture cost, convenient construction, safety and reliability, and is mainly used for melting snow and ice on the concrete pavement and the airfield runway.

Description

technical field [0001] The utility model relates to a basalt fiber-carbon fiber composite geogrid with electric heating function, which belongs to the technical field of new composite materials. Background technique [0002] In areas with severe winter weather conditions, traffic jams and even traffic paralysis are often caused by icy roads or excessive snow accumulation. Mechanical snow removal, artificial snow removal, spraying snow-melting salt, water spray deicing and other road deicing and snow-melting methods are mainly used after the event, and it is difficult to ensure timely removal of ice and snow on the road surface. Airports, highways, railway crossings, and bridges are getting thicker and thicker, and they are forced to close, which can lead to paralysis of traffic arteries in severe cases. Moreover, snowmelt salt can also cause water pollution, corrosion of steel bars and damage to concrete due to salt freezing. Therefore, in order to improve the ability of m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C11/26E01C11/18
Inventor 孙明清石钱华陈龙胡显奇李滨陈兴芬
Owner ZHEJIANG GBF BASALT FIBER
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