Square tubular column and H-shaped steel beam fabricated joint and construction method: Fid-Bau Portal

Square tubular column and H-shaped steel beam fabricated joint and construction method

SHEN JIANDONG / SHEN HU / SHEN LONG / SHEN YONG

The square pipe column and H-shaped steel beam assembly type node comprises a square pipe, an H-shaped steel beam and accessories, the accessories comprise connecting pieces, lug plates and supporting pieces, the lug plates are symmetrically welded to the side faces of the square pipe, the symmetrical supporting pieces are installed between an upper flange plate and a lower flange plate of the H-shaped steel beam, and the connecting pieces are symmetrically arranged on the upper side and the lower side of the H-shaped steel beam. The supporting pieces penetrate through flange plates of the H-shaped steel beams through first high-strength bolts to be fixedly connected with the connecting pieces on the upper sides and the lower sides of the H-shaped steel beams correspondingly, and the two connecting pieces are fixedly connected with the lug plates through second high-strength bolts. The supporting pieces are arranged between the flange plates of the H-shaped steel beams, so that the horizontal rotation rigidity of the H-shaped steel beams is improved, the wind load resistance is high, the bearing capacity of the web plates is shared, and the joint has good stress performance; and the connecting pieces are arranged upwards, so that the two sides of the H-shaped steel beam are attached to the square pipes, and the joint has good horizontal rotation rigidity.

本发明公开了一种方管柱与H型钢梁装配式节点，包括方管、H型钢梁和附件，附件包括连接件、耳板和支撑件，方管的侧面对称焊接耳板，H型钢梁的上下翼缘板之间安装对称的支撑件，连接件对称设在H型钢梁的上下两侧，支撑件通过高强螺栓一穿过H型钢梁的翼缘板分别与H型钢梁上下侧的连接件固定连接，两个连接件通过高强螺栓二与耳板固定连接，并公开了该装配式节点的施工方法；本发明通过在H型钢梁的翼缘板之间设置支撑件，提高了H型钢梁的水平转动刚度，抗风载能力强，分担腹板承受力，使得节点具有良好的受力性能；并且通过把连接件朝上设置，使得H型钢梁两侧与方管贴合，使节点具有较好的水平转动刚度。

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