Bolt type prefabricated frame column connecting joint: Fid-Bau Portal

Bolt type prefabricated frame column connecting joint

CAO XIAOLUO

The invention discloses a bolt type prefabricated frame column connecting joint comprising a first prefabricated column with the square upper portion, a square steel sleeve in the middle and a second prefabricated column with the square lower portion, the bottom of the first prefabricated column is fixedly welded to the top of the square steel sleeve, and a grouting hole is formed in the lower portion of the middle of one side of the square steel sleeve; a grout outlet hole is formed in the upper portion of the middle of the opposite side, the top of the second prefabricated column is correspondingly arranged in a square steel sleeve, and an integrated structure is formed in the square steel sleeve through grouting. The joint is simple in structure and convenient to install; manufacturing cost is low, and application and popularization can be achieved; the column bottom screw and nut can be buried in a floor decoration surface layer, and the appearance of the column cannot be influenced; the joint is good in integrity, high in strength and reliable in connection.

本发明公开了一种插销式预制框架柱连接节点，包括上部方形的第一预制柱、中间的方钢套以及下部方形的第二预制柱，所述第一预制柱底部与方钢套的顶部焊接固定，所述方钢套一侧中间下部设置有注浆孔，相对侧中间上部设置有出浆孔，所述第二预制柱的顶部对应设置于方钢套内且所述方钢套内通过灌浆形成一体式结构。本发明构造简单，安装方便；造价成本低，可推广应用；柱底螺杆螺帽可埋至于楼板装修面层中，不会影响柱外观；该节点整体性好，强度高，连接可靠。

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