Fabricated concrete beam-column connecting joint and construction method thereof: Fid-Bau Portal

Fabricated concrete beam-column connecting joint and construction method thereof

YOU YI / XIE GUIHUA / ZHANG HONGYU / ZHANG SHUAI

The invention discloses a fabricated concrete beam-column connecting joint and a construction method thereof. The connecting joint comprises a center concrete bracket column, a right side prefabricated concrete beam and a left side prefabricated concrete beam. The precast concrete beam is in lap joint with the corbel, anchoring steel plates are arranged on the front side and the rear side of the lap joint position, the anchoring steel plates on the front side and the rear side are connected through split bolts penetrating through the precast concrete beam and the corbel, connecting triangular steel is arranged at the corner of the upper side of the lap joint position, and the connecting triangular steel is connected with the precast concrete beam through embedded bolts. The connecting triangular steel and the center concrete bracket column are connected through a center high-strength friction type bolt. The prefabricated beams can be stably lapped on the concrete column, and the prefabricated concrete beams on the left side and the right side are combined and connected with the triangular steel plates to form a tight whole with the column body. Dry and wet operations are combined in the construction process, and through later assembly of the precast beams, the construction time is greatly saved, the working efficiency is improved, and combined connection under various conditions is met.

本发明公开了一种装配式混凝土梁柱间连接节点及其施工方法。该连接节点中心混凝土牛腿柱、右侧预制混凝土梁、左侧预制混凝土梁。预制混凝土梁搭接于牛腿，搭接处的前后侧设置有锚固钢板，前后侧的锚固钢板通过穿设于预制混凝土梁和牛腿的对拉螺栓连接，搭接处的上侧拐角设置有连接三角钢，连接三角钢与预制混凝土梁通过预埋螺栓相连，连接三角钢、中心混凝土牛腿柱通过中心高强摩擦型螺栓连接。本发明使得预制梁能够稳稳的搭接在混凝土柱上，左右两侧预制混凝土梁与三角钢板进行组合连接后与柱体形成一个紧密的整体。施工过程干湿作业相结合，通过预制梁的后期组装，大大节约了施工时间，提高了工作效率，满足各种情况下的组合连接。

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