A method for flexural reinforcementof old wood beams with CFRP materials.docx
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1、AmethodforflexuralFeinforcementofoldwoodbeamswithCFRPmaterials这篇文献的批注yzl:上 篇只是说:PlaSIiCiIy没有。其实,木 材的应力应变关系为非线性的。故这篇分析更精确前半部分,这篇文献与上次文献的不同之处在于在进行受力计算时,木材受压区域考虑了I塑性变形而木材的受拉区域以及CFRP只考虑了弹性变形,并给出了在不同的破坏形式下相/应的中性轴方程式以及截面上极限弯矩的计算式。【用平被面假定和平衡方程度可以推导出】Thispaperpresentsastudyonthereinforcementofexistingwoodel
2、ementsunderbendingloadsthroughtheuseofFRPmaterials.Ananalyticalinvestigationwasfirstconductedon(hebehaviorofagenericFRP-reinforcedwoodsection.Thisstudy,inturn,ledtoanumericalprocedurebasedonnon-linearwoodproperties,suitableforapplicationinthedesignofFRPreinforcementofold,pre-existingwoodbeamsunderva
3、rj,ingcongurationsofinterventionlayoutsandmaterials.Anexperimentalprogrammebasedonafour-pointbendingtestconfigurationisproposedtocharacterizethestifihcss,ductilityandstrengthresponseofFRP-woodbeams.MechanicaltestsonthereinforcedwoodshowedthatexternalbondingofFRPmaterialsmayproduceincreasesinflexural
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