The numerical analyze results show that the core steel tube joint applied to concrete filled square steel tubular column and reinforced concrete beam have good mechanical property, and structure beh.
数值分析表明该节点用于方钢管混凝土柱与钢筋混凝土梁的节点，具有良好的性能且受力性能与在圆钢管混凝土结构中相似。
Square steel tube column filled with steel-reinforced concrete is a new design model of steel-concrete composite columns.
钢骨-方钢管混凝土柱是一种组合柱设计模式，采用切线模量理论对该组合柱轴向受压稳定承载力进行分析。
Square steel tube column filled with steel-reinforced concrete is a new design model of steel-concrete composite columns.
钢骨-方钢管混凝土柱是一种组合柱设计模式，采用切线模量理论对该组合柱轴向受压稳定承载力进行分析。
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