Roof structure of steel structure and construction method: Fid-Bau Portal

Roof structure of steel structure and construction method

WEI YUANPENG

The invention relates to a roof structure of a steel structure and a construction method.The roof structure comprises a supporting truss arranged on concrete columns, a steel beam frame arranged on the supporting truss, a purline frame arranged on the steel beam frame and a ceiling arranged on the purline frame, and the steel beam frame comprises longitudinal beams and cross beams; the longitudinal beams and the transverse beams are distributed in a criss-cross mode and form a plurality of beam frame units, and cross fastening assemblies used for connecting and fastening every two adjacent longitudinal beams are arranged on the beam frame units. The cross fastening assembly comprises two lock pull rods arranged in a cross mode and adjusting bases arranged on the longitudinal beams, connecting bases are arranged on the adjusting bases, and the two ends of each lock pull rod penetrate through the two connecting bases distributed on the two longitudinal beams in a diagonal mode respectively. The lock pull rod is provided with a connecting fastener used for being connected with the longitudinal beam in a fastening mode. The device has the effect of being stable in structure.

本发明涉及一种钢结构的屋顶结构及施工方法，其中，屋顶结构包括设置于砼柱上的支撑桁架、设置于支撑桁架上的钢梁架、设置于所述钢梁架上的檩条架以及设置于所述檩条架上的顶棚，所述钢梁架包括纵梁和横梁，所述纵梁和横梁呈纵横交错分布并形成有若干个梁架单元，所述梁架单元上设置有用于连接紧固相邻的两条纵梁的交叉紧固组件；所述交叉紧固组件包括两根呈交叉设置的锁拉杆以及设置于所述纵梁的调节座，所述调节座上设置有连接座，所述锁拉杆的两端分别穿过两条纵梁上呈对角分布的两个连接座，所述锁拉杆上设置有用于与所述纵梁进行紧固连接的连接紧固件。本发明具有结构稳定的效果。

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