为改善薄壁钢管混凝土柱的力学性能，提出了设冷弯直肋方形薄壁钢管混凝土柱的新型结构形式。

New type of CFTST columns with cold-formed longitudinal straight ribs is put forward to improve the mechanical capability of columns of concrete-filled thin-walled steel tube (CFTST).

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本发明公开了薄壁钢管再生混合柱与钢筋混凝土梁的节点及其施工方法。

The invention discloses a node for a thin-wall steel tube regenerative mixed column and a reinforced concrete beam and a construction method thereof.

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