The essence of InfraCore Inside® · 2020. 7. 24. · Company The essence of InfraCore Inside ......
Transcript of The essence of InfraCore Inside® · 2020. 7. 24. · Company The essence of InfraCore Inside ......
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The essence of InfraCore Inside®A brief introduction
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InfraCore Inside looks and feels like a sandwich structure, but it has a more direct descent from beams, in fact multi-beam plates.
The following slides give an introduction into the essence of theInfraCore Technology: how it functions, the mechanicalbehaviour, the benefits as compared to sandwiches and multi-beam plates.
The essence of InfraCore Inside®
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All the InfraCore Inside concepts described hereafter are protected by patents.
For licensing of this technology, please contact InfraCoreCompany
The essence of InfraCore Inside®
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Steel beam:Two flanges, connected by a web
Steel beam:Two flanges, connectedby a web
xy
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Glass Fibre Fabric beam:Two flanges, connected by a webOne layer of ±45ᵒ fabric
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Glass Fibre Fabric beam:Two flanges, connected by a webOne layer of ±45ᵒ fabric + one layer of 0ᵒ fabric on flanges
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Glass Fibre Fabric beam:Two flanges, connected by a webFlanges 0ᵒ/ ±45ᵒ fabric, web ±45ᵒ fabric
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Carbon/Glass Fibre Fabric beam:Two flanges, connected by a webFlanges 0ᵒ carbon/ ±45ᵒ glass fabric, web ±45ᵒ glass fabric
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Glass Fibre Fabric beam:Two flanges, connected by a webFlanges 0ᵒ/ ±45ᵒ fabric, web ±45ᵒ fabric + one layer op 90ᵒ fabric
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x
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Glass Fibre Fabric beam:Two flanges, connected by a webFlanges 0ᵒ/ ±45ᵒ fabric, web 90ᵒ/±45ᵒ fabric
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Glass Fibre Fabric box beam:Flanges, connected by websFlanges 0ᵒ/ ±45ᵒ fabric, webs 90ᵒ/±45ᵒ fabric
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Glass Fibre Fabric box beam:Flanges, connected by websFlanges 0ᵒ/ ±45ᵒ fabric, webs 90ᵒ/±45ᵒ fabric
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Glass Fibre Fabric box beam:Flanges, connected by websFlanges 0ᵒ/ ±45ᵒ fabric, webs 90ᵒ/±45ᵒ fabric
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Glass Fibre Fabric box plate:Flanges, connected by websFlanges 0ᵒ/ ±45ᵒ fabric, web 90ᵒ/±45ᵒ fabric
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Steel beamLoaded in three-point bending
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Steel beamLoaded in three-point bendingShear load distribution on cross section
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Glass Fibre Fabric beamLoaded in three-point bending
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Glass Fibre Fabric beamLoaded in three-point bendingShear load distribution on cross sectionContinuous transfer of shear loads
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Fibre Reinforced PlasticsNon-homogeneous, layered materialFibres act as crack arrestorsVulnerable to cracking between fibre layers (“interlaminar cracking”)
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Glass Fibre Reinforced Plastic Multi-beam Box plateBeams are self-containedLittle shear transfer between beams Impact damage may occur: local delamination
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Glass Fibre Reinforced Plastic Multi-beam Box / Sandwich plateInterlaminar cracking is inconsequentialNo skin-core debonding, no damage growth
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Focus on beam directly under impactA crack in flange-web zone may occur
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Focus on beam directly under impactCrack will not grow, constricted by fibres
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Focus on beam directly under impactBeam can carry load despite crack
Much residual surface to carry shear loadsStable situation
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Glass Fibre Reinforced Plastic Multi-beam Box / Sandwich plateInterlaminar cracking is inconsequentialNo skin-core debondng→ EXTREMELY ROBUST
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Glass Fibre Fabric beam:Two flanges, connected by a webFlanges 0ᵒ/ ±45ᵒ fabric, web 90ᵒ/±45ᵒ fabric
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Glass Fibre Fabric beam:Add shear webs perpendicular to main websMade of ±45ᵒ fabric in box configuration
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Glass Fibre Fabric beam:Add shear webs perpendicular to main websMade of ±45ᵒ fabric in box configuration
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Glass Fibre Fabric beam:Add shear webs perpendicular to main websMade of ±45ᵒ fabric in box configuration
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Glass Fibre Fabric beam:Add shear webs perpendicular to main websMade of ±45ᵒ fabric in box configuration
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Glass Fibre Fabric beam:Add shear webs perpendicular to main websMade of ±45ᵒ fabric in box configuration
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Glass Fibre Fabric beam:Add shear webs perpendicular to main websMade of ±45ᵒ fabric in box configuration
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Glass Fibre Fabric box beam:Flanges, connected by websFlanges 0ᵒ/ ±45ᵒ fabric, webs 90ᵒ/±45ᵒ fabric, cross-webs ±45ᵒ fabric
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Glass Fibre Fabric box beam:Flanges, connected by websFlanges 0ᵒ/ ±45ᵒ fabric, webs 90ᵒ/±45ᵒ fabric, cross-webs ±45ᵒ fabric
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Core configurations:Multi-box plate±45ᵒ fabric
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Core configurations:Multi-box plate±45ᵒ fabric + foam
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Core configurations:Multi-box plate±45ᵒ fabric + foam
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Core configurations:Multi-box plate±45ᵒ fabric + foam
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Core configurations:Foam (lost mould core)
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Core configurations:Massive fibre reinforced plastic plate
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Core configurations:Multi-box plate±45ᵒ fabric
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Core configurations:Multi-box plate±45ᵒ fabric + core wrap of 90ᵒ fabric
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Core configurations:Multi-box plate±45ᵒ fabric + core wrap of 90ᵒ fabric
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Core configurations:Multi-box plate±45ᵒ fabric + core wrap of 90ᵒ fabric
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Core configurations:Multi-box plate±45ᵒ fabric + core wrap of 90ᵒ fabric
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GRP pultruded beam: Achilles heelSupported in three-point bendingImpaced by hard object → flange-web crack initiation
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GRP pultruded beam: Achilles heelLoaded in three-point bendingUnarrested crack growth → catastrophic failure
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Classic sandwich: Achilles HeelTwo skins bonded on a core Impaced by hard object → skin-core debonding
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Classic sandwich: Achilles HeelTwo skins bonded on a core
Crack growth caused by rolling loads
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Classic sandwich: Achilles HeelTwo skins bonded on a core
Catastrophic failure, due to unrestricted weak resin dominated fracture path
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Multi beam plate: Achilles HeelMany box beams bonded togetherImpaced by hard object → crack in and between webs
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Multi beam plate: Achilles HeelMany box beams bonded togetherCrack growth caused by rolling loads
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Multi beam plate: Achilles HeelMany box beams bonded togetherFailure, due to unrestricted weak resin dominated fracture path
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Multi beam plate: Achilles HeelMany box beams bonded together, with additional deck layersImpaced by hard object → two weak resin dominated fracture paths
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Glass Fibre Fabric box beam:Extreme robustness
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What is InfraCore Inside...
From classic sandwich to InfraCore...
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What is InfraCore Inside...
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What is InfraCore Inside...
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What is InfraCore Inside...
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What is InfraCore Inside...
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What is InfraCore Inside...
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What is InfraCore Inside...
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InfraCore Inside
• skin = in essence a new material
• through-the-thickness off-axis
• new name coined:
“oblique layered composites”
• complete filled 6x6 compliance matrix
• to be fully modelled...
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What is InfraCore
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Cross section InfraCore light
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Cross section InfraCore heavy
5 patents assigned
5 patents pending
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Foam contribution to InfraCore
InfraCore Inside, with
Airex T90 65 kg/m3
constructive PET-foam
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Foam contribution to InfraCore
InfraCore Inside, with
PU 35 kg/m3 Nestaan,
foam
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The essence of InfraCore Inside®
InfraCore Inside combines the advantages of sandwich structures and multi-beam plates, without thedrawbacks.
This makes InfraCore Inside the product of choice forvery robust heavy duty applications, such as bridges, lock gates, etc.
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InfraCore Company
Contact
• Postal address: Oostdijk 25, 3077 CP Rotterdam/NL
• Office address: Fascinatio Boulevard 7222909 VA Capelle aan den IJssel/NL
• Email: [email protected]
• Internet: www.infracore-company.com
• Phone: 0031-624628868