Steel tube concrete beam-column joint structure and construction method: Fid-Bau Portal

Steel tube concrete beam-column joint structure and construction method

TANG MIN / CHEN CHEN / LIU YONGTIAN / SHI WENZHI / LIU RUIWEN

The invention relates to the technical field of building construction, and discloses a steel tube concrete beam-column joint structure and a construction method. The steel tube concrete beam-column joint structure comprises a steel tube concrete column and a reinforced concrete beam, wherein the steel tube concrete column comprises a steel tube wall and concrete arranged in an inner cavity of the steel tube wall; a plurality of open holes are formed in the steel tube wall around the axis of the steel tube wall; one end of the reinforced concrete beam extends into the inner cavity of the steel tube wall through the open holes, or a beam longitudinal bar penetrates through the steel tube wall through the open holes; a column steel bar cage with a certain anchoring length is arranged in the inner cavity of the steel tube wall relative to the open holes; the column steel bar cage comprises a column longitudinal bar, a column stirrup and a cross steel bar; the cross steel bar is connected with the steel tube wall and the column longitudinal bar respectively; and the column stirrup is connected with the column longitudinal bar. By adopting the steel tube concrete beam-column joint structure and the construction method, the problems of non-direct force transmission way, complex structure and inconvenience in construction in the conventional steel tube concrete beam-column joint are solved.

本发明涉及建筑施工技术领域，公开了一种钢管混凝土梁柱节点结构及施工方法，钢管混凝土梁柱节点结构包括钢管混凝土柱和钢筋混凝土梁，所述钢管混凝土柱包括钢管壁和设于所述钢管壁内腔中的混凝土，所述钢管壁上环绕所述钢管壁的轴线设有若干开孔；所述钢筋混凝土梁的一端通过所述开孔伸入所述钢管壁的内腔中，或所述梁纵筋通过所述开孔贯穿所述钢管壁；所述钢管壁的内腔中相对于所述开口设置有一定锚固长度的柱钢筋笼，所述柱钢筋笼包括柱纵筋、柱箍筋和交叉钢筋，所述交叉钢筋分别与所述钢管壁及所述柱纵筋连接，所述柱箍筋与所述柱纵筋连接。本发明解决了现有的钢管混凝土梁柱节点传力方式不直接、结构复杂、施工不方便的问题。

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