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CFRP材料具有强度高、质量轻、耐腐蚀和耐久性好等特点,但在新建建筑中应用CFRP管混凝土柱施工复杂,成本高昂,而采用在薄壁钢管外缠绕CFRP布,用钢管作为CFRP布的施工模板,可大大简化施工过程,且能满足对柱子截面形状的要求,应用前景广阔。该文通过对圆CFRP-钢复合管约束混凝土短柱的轴压静力性能进行试验研究,对比并建议了圆CFRP-钢复合管约束混凝土短柱的轴压承载力计算方法,可供实际工程设计参考。
CFRP material has the characteristics of high strength, light weight, corrosion resistance and durability, but the application of CFRP pipe in the new building is complicated and costly to construct. CFRP cloth is used to wind the thin-wall steel pipe and CFRP cloth Construction template can greatly simplify the construction process, and can meet the requirements of the cross-sectional shape of the pillar, the application prospect is broad. In this paper, the axial compressive properties of CFRP-steel composite confined concrete short columns are studied. The calculation method of axial compressive bearing capacity of circular CFRP-steel composite confined concrete short columns is compared and proposed, which can be used for practical engineering Design Reference.