Search results for "Ribb"

showing 3 items of 153 documents

Increasing the flexural capacity of RC beams using steel angles and pre-tensioned stainless steel ribbons

2016

This article presents an experimental programme on reinforced concrete beams retrofitted with steel angles and pre-stressed stainless steel ribbons to increase their flexural strength and ductility. Two different configurations of the steel ribbon were designed, and two companion specimens for each type considered were subjected to a four-point bending test to facilitate a direct comparison in the analysis of the effectiveness of the retrofitting technique. The influence of longitudinal steel angles and transverse stainless steel ribbons is analysed, and the concrete confinement due to stainless steel ribbons examined. The strengthened beams show remarkable increments in flexural strength a…

reinforced concrete beamCAMflexural capacityMaterials sciencesteel anglebusiness.industrystainless steel ribbonretrofitting0211 other engineering and technologies020101 civil engineering02 engineering and technologyBuilding and ConstructionStructural engineeringStrength of materials0201 civil engineeringSettore ICAR/09 - Tecnica Delle CostruzioniFlexural strengthMechanics of Materials021105 building & constructionRetrofittingGeneral Materials ScienceMaterials Science (all)CAM; flexural capacity; reinforced concrete beams; retrofitting; stainless steel ribbons; steel angles; Civil and Structural Engineering; Building and Construction; Materials Science (all); Mechanics of MaterialsbusinessCivil and Structural EngineeringStructural Concrete
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Experimental Investigation on Stiffness and Strength of Single-Lap Z-Pinned Joints in a Laminated CFRP Stress-Ribbon Strip

2016

Carbon fiber-reinforced polymer (carbon-polymer) is an advanced lightweight composite material with high strength and excellent resistance to corrosion and fatigue. Over the past decades, application of fiber-reinforced polymers has been spread from the aerospace to other branches of industry such as automobile and civil engineering. Unidirectional carbon-polymers have a high potential for replacing steel in tensile members. Recently, the first carbonpolymer stress-ribbon bridge has been constructed in Germany. The non-laminated strip-loop carbon-polymer thin strips were used as the load bearing components in this bridge. In comparison with the laminated components, the applied cables are c…

stress-ribbon stripMaterials sciencelcsh:TE1-450020101 civil engineering02 engineering and technologysingle-lap joint0201 civil engineeringCorrosionStress (mechanics)lcsh:TG1-470lcsh:Bridge engineeringRibbonUltimate tensile strengthmedicinelaminateBearing capacityComposite materiallcsh:Highway engineering. Roads and pavementsJoint (geology)Civil and Structural Engineeringcarbon fiber reinforced polymer (cfrp)business.industrycarbon fiber reinforced polymer (CFRP); laminate; single-lap joint; stress-ribbon strip; test data.StiffnessBuilding and ConstructionStructural engineering021001 nanoscience & nanotechnologytest data.Adhesivemedicine.symptom0210 nano-technologybusinessThe Baltic Journal of Road and Bridge Engineering
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Modeling the mechanical behavior of carbon nanostructures

2016

Low-dimensional nanostructures are expected to have vast number of applications in the future. Particularly large amount of research has been invested in the atomthick carbon membrane called graphene, which has become popular due to its unique electronic and mechanical properties. This thesis presents studies of the mechanical and electromechanical properties of several different types of graphene nanostructures. In addition, short detours are performed in order to study the elasticity of gold nanostructures and topology effects in graphene nanoribbons. The research is performed by using several different simulation methods. In simulations the system parameters and environment can be chosen…

topologymekaniikkahiiligraphenesimulationfysikaaliset ominaisuudetkimmoisuusnanorakenteetgrafeenielasticitysimulointitopologiamechanicsgraphene nanoribbonselectromechanics
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