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- Carbon Fiber Sheet
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- Carbon fiber sheet DH-510P(Primer) DH-510R(Resin)
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Carbon Fiber Sheet
Carbon fiber sheet
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- Overview of Construction Method & Type and Properties
- Using for various area of Aerospace with Sports field and so on..
- attached file
- attached file2
Summary Overview of Construction Method Type and Properties System Method for Carbon fibre sheet Comparison for Strength of Carbon fiber sheet Construction Sequence of Carbon fiber sheetAs a petrochemical related product used in various fields including the aerospace industry, the field of sports (golf, fishing rods and more) and etc., it has been researched and developed into a structure stiffener for civil engineering and construction, using its tensile strength which is 10 times greater than that of steel.
Recently, carbon fiber strengthening methods have become commercialized throughout the world. It involves arranging carbon fiber in one direction, transforming it into sheets or fabric and impregnating it to attach onto the surface of concrete (pillars, beams, slabs and etc.) as epoxy resin and then hardening it. This method is the most advanced method which boasting the strongest and most durable output compared to existing methods such as steel decompression and etc.Summary Overview of Construction Method Type and Properties System Method for Carbon fibre sheet Comparison for Strength of Carbon fiber sheet Construction Sequence of Carbon fiber sheet
High strength, high elasticity 10 times stronger than steel, controls cracks, possesses high durability with its increased opposing power.Easy construction Great construct ability, good responsiveness to different sites regardless of the space and time.Anticorrosive and non inflammable Does not corrode and permanently prevents the structure from corroding (from water, salt), resistant to fire as it is non inflammable (proven by the Japanese railroad associationLight As material lighter than aluminum, can be easily cut, can be easily applied to structures with complex forms.Summary Overview of Construction Method Type and Properties System Method for Carbon fibre sheet Comparison for Strength of Carbon fiber sheet Construction Sequence of Carbon fiber sheetCarbon fiber sheet types and properties Item High strength carbon fiber N200 High strength carbon fiber N300 High strength carbon fiber N300 Fiber weight(g/㎡) 200 300 300 Fiber gravity(g/㎠) 1.80 1.80 1.82 Fabric Thickness(m) 0.111 0.167 0.165 Tensile strength(㎏/㎝ width) 390 590 500 Designed strength(㎏/㎠) 35,000 35,500 30,000 Tensile elasticity(㎏/㎝ width) 25,900 38,800 62,700 Designed elasticity(㎏/㎡) 2.35 x 10⁴ 2.35 x 10⁴ 3.80 x 10⁴
First layer (1PLY) ordinary construction thickness (the finishing thickness when constructed under standard conditions) 0.6~1.0mm. The designed thickness of the sheet has been calculated and designed using a set strength and elasticity of the strengthened fiber in real surfaces.Tensile strength and elasticity values represent the values for the first layer's (1PLY) 1cm.The designed strength and elasticity is a value calculated by dividing the tensile strength and elasticity by the designed thickness for each surface area (cm2).* Product width: 50cm is the standard * Product length: 100m Summary Overview of Construction Method Type and Properties System Method for Carbon fibre sheet Comparison for Strength of Carbon fiber sheet Construction Sequence of Carbon fiber sheetCarbon fiber sheets have been applied to repair and strengthen concrete structures since around 1990. First it was mainly used to repair and strengthen chimneys, beams and slabs of buildings and tunnel concrete lining. After, with the mass production of cars, this carbon fiber sheet method was applied to strengthening highway bridge RC decks and its use was dramatically increased. In Japan, after the Hansin great earthquake, the carbon fiber method of construction was widely applied to buildings, pillars, the railroad bridges, highway bridge piers and etc. Recently in Korea, the superiority of the carbon fiber sheet method of construction has been confirmed, leading to a drastic increase in its use. The areas it is applicable to is as follows.
Field of civil engineering Retrofit measures for highway bridges and railroad bridges. / Repair and strengthen highway bridges' RC decks./ Repair and strengthen tunnels, box culverts.Field of construction Retrofit measures for pillars, beams and walls. /Repair, strengthen and prevent bending of beams, slabs and etc. / Strengthen steel concrete chimneys
Summary Overview of Construction Method Type and Properties System Method for Carbon fibre sheet Comparison for Strength of Carbon fiber sheet Construction Sequence of Carbon fiber sheetComparison of strenfthening methods Carbon fiber sheet Steel concrete one side increase method Adhesion of steel sheets Introduction of method ◆Using epoxy resin on the existing concrete surface, the carbon fiber sheet is attached.
◆Steel concrete is pump created on to the existing concrete surface, increasing the cross section as shown in the picture.
◆Using adhesive resin, steel sheets are attached on to the existing concrete surface.
Structure characteristics ◆Strengthening ingredients light weight, high strength
◆Almost no increase in weight◆Numerous construction record, weight increase
◆New concrete interface problem◆Numerous construction records
◆Weight increaseConstruct ability ◆No need for heavy machinery
◆Before construction, surface processing needed
◆Period of construction short◆Heavy machinery needed
◆Noise and dust created during construction
◆Limited construction sites applicable◆Heavy machinery needed
◆On site welding and anchors needed
◆Limited construction sites applicableMaintenance ◆If necessary can be painted over ◆Problem of steel corrosion ◆Regular painting required Overall ◆ ▲ ◆ ◆ : Most superior / ◆: Good / ▲: Ordinary
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Main Contents
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Daehwa Precision
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Mechanical injection packer
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concrete crack injection repair
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concrete repair kits
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Single component Injection Pump
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Twin Line Injection Pump
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Acrylic Injection Pump
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Grouting Injection Pump
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grouting injection
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polyurethane injection system
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resin injection pump
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repair of concrete
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epoxy injections
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epoxy injection system
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epoxy injection systems
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concrete repair epoxy injection
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Water stop grouting Method
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Reinjector Injection Method
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Syringe Injection Method
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concrete repair epoxy mortar
