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Study on Seismic Behavior of Concrete-filled square steel tube column with core column-Steel Beam Joints

机译:用芯柱 - 钢梁关节进行混凝土钢管柱地震行为的研究

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This paper has carried out the quasi-static tests of five specimens of FRP-UHPC column-steel beam joints with core columns, and the extensive parameter analysis of the joints by numerical simulation. The results show that the Concrete-filled square steel tube column with core column -Steel Beam Joints have strong bearing capacity. It has excellent deformability, stiffness and energy dissipation capacity, and works well under the condition of high axial compression ratio. The bearing capacity of the replacement beam specimen does not deteriorate significantly, which indicates that the Concrete-filled square steel tube column with core column -Steel Beam Joints is replaceable.
机译:本文采用了具有核心柱的五个FRP-UHPC柱 - 钢束接头的准静态测试,以及通过数值模拟的关节的广泛参数分析。 结果表明,具有芯柱 - 钢梁接头的混凝土方形钢管柱具有很强的承载力。 它具有出色的可变形性,刚度和能量耗散能力,并且在高轴向压缩比的条件下运行良好。 替代梁样品的承载力不会显着恶化,这表明具有芯柱 - 柱梁接头的混凝土方形钢管柱是可更换的。

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