Steel-encased concrete composite beam adopting U-shaped connecting pieces: Fid-Bau Portal

Steel-encased concrete composite beam adopting U-shaped connecting pieces

ZHANG ZHENYONG / LIU XIANGGANG / YANG YUANLONG / LIU CHUAN / PAN PENGGANG

The steel-encased concrete composite beam adopting the U-shaped connecting piece comprises a wing plate and a web plate, and the wing plate is arranged in the horizontal direction and located above the web plate; the web plate is arranged along the vertical direction, and the top end of the web plate is fixedly connected with the wing plate to form a composite beam with a T-shaped section; wherein the web comprises a U-shaped steel beam, and the top ends of the two side walls of the U-shaped steel beam are bent inwards to form upper flanges; a connecting piece is arranged above the U-shaped steel beam, the section of the connecting piece is U-shaped, and the bottom end of the connecting piece is fixedly connected with the upper flange of the U-shaped steel beam; the top ends of the two side walls of the connecting piece extend in the direction away from the connecting piece to form a plurality of protrusions, and a groove is formed between every two adjacent protrusions. The bulges at the top ends of the two side walls of the connecting piece are in one-to-one correspondence A plurality of open holes are formed in the bottom of the connecting piece, penetrate through the bottom of the connecting piece and are distributed at intervals in the length direction of the connecting piece.

本发明公开了一种采用U形连接件的外包钢混凝土组合梁，包括翼板和腹板，所述翼板沿水平方向设置，并位于腹板的上方；所述腹板沿竖直方向设置，其顶端与翼板固定相连，形成截面为T形的组合梁；其中，所述腹板包括U形钢梁，所述U形钢梁两侧壁的顶端朝向内弯折形成上翼缘；在所述U形钢梁的上方设有连接件，所述连接件的截面呈U形，该连接件的底端与U形钢梁的上翼缘固定相连；所述连接件两侧壁的顶端朝向背离连接件的方向延伸，形成多个凸起，相邻两个凸起之间形成一凹槽；连接件两侧壁顶端的凸起一一对应设置；所述连接件的底部设有多个开孔，所述开孔贯穿连接件的底部，并沿连接件的长度方向间隔分布。

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