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纤维增强材料(FRP)管-混凝土-钢管构件是一种新型组合构件,由外部FRP管、内层钢管以及两者之间填充的混凝土三部分组成,三种材料的协同互补和共同工作使该组合构件具有许多优于现有组合构件的力学性能,该组合构件外管和内管同心放置可用于受压构件,偏心放置可用于受弯构件。主要综述国内外关于该组合构件的最新研究成果,主要包括轴压、偏压和受弯作用下的破坏模式、主要影响因素,以及构件承载力实用计算式等。
Fiber Reinforced Plastics (FRP) Pipe-Concrete-Steel Pipe Components is a new type of composite component consisting of an outer FRP pipe, an inner steel pipe, and concrete filled between the two. The three materials complement each other and work together to make the The composite component has a number of mechanical properties that are superior to existing composite components that can be used concentrically for the compression member and for the eccentric placement for flexural members. This paper mainly reviews the latest domestic and foreign research results on the composite components, including the failure modes under axial compression, bias and bending, the main influencing factors and the practical calculation formula of the component bearing capacity.