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描述了循环荷载作用下薄壁钢管混凝土梁柱节点的8个试验,选取了柱的横截面类型和轴压力水平作为试验参数。此外,选取2个钢管混凝土梁柱节点试验已进行对比。每个钢管混凝土梁柱节点构件都由钢管混凝土柱及柱上方的梁构成,作为建筑的内部节点。对试验结果进行分析,评测了不同的参数对于梁柱节点性能的影响。结果表明:薄壁钢管混凝土柱显示出了卓越的抗震性能和良好的适应性,特别适用于地震区使用。
Eight tests of beam-column joints of thin-walled CFST concrete under cyclic loading are described. The cross-section type and axial pressure of the column are selected as the test parameters. In addition, two concrete-filled steel tube and column connections have been tested. Each CFST beam-column node element consists of a concrete filled steel tube column and a beam above the column as the internal node of the building. The test results were analyzed and the influence of different parameters on the performance of beam-column joints was evaluated. The results show that the thin-walled CFST columns show excellent seismic performance and good adaptability, especially for the use of seismic areas.