Concrete filled steel tube combined node connecting structure with inner reinforcing steel bars and outer steel plates

Abstract

The utility model relates to the field of buildings, in particular to a concrete-filled steel tube combined node connecting structure with inner reinforcing steel bars and outer steel plates, which comprises a vertically arranged concrete-filled steel tube column and concrete-filled steel tube beams horizontally arranged in the circumferential direction of the concrete-filled steel tube column, and each concrete-filled steel tube beam is matched with the concrete-filled steel tube column. A cross-shaped connecting node is formed by taking the steel pipe concrete column as the center; the concrete-filled steel tube column is provided with a connecting plate horizontally penetrating through the tube wall of the concrete-filled steel tube column, the connecting plate comprises an upper flange connecting plate and a lower flange connecting plate which are staggered in height, and the upper flange connecting plate and the lower flange connecting plate support the upper tube wall and the lower tube wall of the concrete-filled steel tube beam respectively from bottom to top. The two sets of connecting plates which are located at the same height and oppositely arranged on the concrete-filled steel tubular column are connected through connecting steel bars. The width of the upper flange connecting plate is smaller than that of the lower flange connecting plate, and the lower flanges of the concrete filled steel tube beams are flush. Rapid positioning of the concrete filled steel tube beam is achieved, the construction efficiency during beam-column connection is greatly improved, and the mechanical property of a node core area in a column body is improved through the connecting steel bars.

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