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从改善结构延性的角度,系统地研究了外包PET材料的双层钢管混凝土柱的力学性能,并通过试验得到了其轴压承载力增长的现象和规律,将试验研究结果与试验前理论计算结果进行了对比,验证了理论计算公式的准确性。
From the point of view of improving the ductility of the structure, the mechanical properties of double-walled CFST columns with outsourced PET material were studied systematically. The phenomena and regularities of the axial compressive load-bearing capacity growth were obtained. The results of the experimental and theoretical calculations The comparison between the two methods verifies the accuracy of the theoretical calculation formula.