摘要
针对单向纤维增强树脂基复合材料(FRP)压缩强度远低于其拉伸强度的问题,对影响拉挤FRP管轴向压缩承载力的一些因素进行研究,探讨提高拉挤FRP管轴向压缩强度的途径。结果表明,无端部约束情况下增加包裹对提高FRP管承载力效果不明显;端部约束可改变FRP管破坏形式,对提高其承载力效果显著;在端部约束情况下增加包裹也可有效提高FRP管承载力。
Aiming at the problem that the compression strength of the fiber reinforced resin composites（FRP） is much lower than the tensile strength, the factors that affected the axial compression bearing capacity of pultruded FRP were studied, the ways to improve the axial compressive strength of pultruded FRP pipe were explored. The results show that the claddings do little work to the compression strength without end-restraints, the failure mode of the specimens will change and the compressive strength will improve if install the end-restraints. Claddings are helpful to the compression strength in conditions of end-restraints.
出处
《工程塑料应用》
CAS
CSCD
北大核心
2013年第5期66-69,共4页
Engineering Plastics Application
基金
国家科技支撑计划项目(2012BAK05B00)
国家973计划项目(2012CB026202)
关键词
FRP管
包裹
端部约束
轴向压缩承载力
FRP pipe
cladding
end-restraint
axial compression bearing capacity
