The test results show that anchoring failure of the core steel tube in joint core position does not appear. Therefore, the anchoring length in the external steel tube can be reduced properly.
试验现象和结果显示,节点试件破坏时,节点核心区的芯钢管并没有出现锚固破坏的现象,因此可以适当减小芯钢管伸入外钢管内的锚固长度。
参考来源 - 带有芯钢管的圆钢管混凝土中节点抗震性能试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
椅脚：钢脚，采优质圆形实芯钢管与椅架一体折弯成型后经高温静电粉末喷塑制作而成；
Chair Legs:Sled-Base Chair with Solid Steel Rod Legs in Powder Coating Integrated into Steel Frame;
将一种带有芯钢管的不连通钢管混凝土节点用于方钢管混凝土结构，验证了这种节点的可行性。
The core steel tube applied to concrete filled square steel tubular structure and verify feasibility of this joint.
提出一种在节点区间断钢管混凝土柱的外钢管、设置芯钢管的新型钢管混凝土柱与钢筋混凝土梁的节点。
A new type of column-RC beam joint of concrete filled steel tube (CFST) is created. The outer tubular column of CFST is disconnected in the joint zone. The core steel tube is put in the joint zone.
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