Connecting structure of prefabricated reinforced concrete column and beam and construction method: Fid-Bau Portal

Connecting structure of prefabricated reinforced concrete column and beam and construction method

CHEN YUN / ZHAO WEI

The invention discloses a prefabricated reinforced concrete column and beam connecting structure and a construction method thereof.The structure comprises a lower prefabricated reinforced concrete column, an upper prefabricated reinforced concrete column and a beam arranged on the lower prefabricated reinforced concrete column, and the upper end of the lower prefabricated reinforced concrete column and the upper end of the upper prefabricated reinforced concrete column are each provided with an annular hoop steel plate; vertical H-shaped short steel and prefabricated column short plates are arranged at the lower ends, and column longitudinal bars are arranged in the vertical H-shaped short steel and the prefabricated column short plates; the prefabricated column top plate is welded to the top end of the annular hoop steel plate, the lower-layer horizontal reinforcing plate and the upper-layer horizontal reinforcing plate are arranged in the annular hoop steel plate, the lower ends of the column longitudinal bars are anchored to the prefabricated column end plate through bolt anchor heads, and the upper ends of the column longitudinal bars are anchored to the upper-layer horizontal reinforcing plate through bolt anchor heads. The vertical H-shaped short steel is welded to the prefabricated pile top plate, and concrete is poured into the connecting area of the lower prefabricated reinforced concrete column and the upper prefabricated reinforced concrete column. The connection reliability of the upper prefabricated reinforced concrete column and the lower prefabricated reinforced concrete column and the safety of the whole structure are improved.

本发明公开了一种预制钢筋混凝土柱与梁的连接结构及其施工方法，结构包括下预制钢筋混凝土柱、上预制钢筋混凝土柱以及设在下预制钢筋混凝土柱上的梁，下预制钢筋混凝土柱和上预制钢筋混凝土柱上端均设有环向抱箍钢板，下端均设有竖向H型短钢和预制柱短板，内部均配置有柱纵筋；环向抱箍钢板顶端焊接有预制柱顶板，内部设置有下层水平加强板和上层水平加强板，柱纵筋的下端通过螺栓锚头锚固在预制柱端板上，上端通过螺栓锚头锚固在上层水平加强板上；竖向H型短钢与预制桩顶板进行焊接，下预制钢筋混凝土柱与上预制钢筋混凝土柱连接区域灌注有混凝土。本发明提高了上预制钢筋混凝土柱与下预制钢筋混凝土柱的连接可靠性和整体结构的安全性。

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