Supporting structure suitable for large-span high-altitude cantilever construction of steel structure and mounting method: Fid-Bau Portal

Supporting structure suitable for large-span high-altitude cantilever construction of steel structure and mounting method

SEKI HIDETOSHI

Abstract

The supporting structure comprises a steel column set, the steel column set comprises four steel pipe columns, the four steel pipe columns are projected in the Z-axis direction, and the projections of the four steel pipe columns are located at the four corners of a rectangle correspondingly so that the stability and uniform stress of the steel column set can be guaranteed; the structure is allowed to bear the gravity and external force brought by large span and high-altitude overhanging, additional supporting and fixing are provided for the structure through oblique connection of the second connecting beams between the adjacent steel pipe columns, the stability of the whole structure is further improved, the connecting beam sets and the second connecting beams are arranged in a crossed mode, and the overall structure is more stable. By means of the layout mode, a cross supporting system is effectively formed, the transverse stability and the longitudinal stability of the supporting structure are improved, the connecting beam sets and the second connecting beams which are arranged in a cross mode can share force together under the action of external loads or wind power, deformation and vibration of the structure are reduced, and therefore the stability and the safety of the whole structure are improved.

本发明公开了适用于钢结构大跨度高空悬挑施工的支撑结构及安装方法，包括钢柱组，钢柱组包括四个钢管柱，沿着Z轴方向投影，四个钢管柱的投影分别位于一矩形的四个拐角处以确保了钢柱组的稳定性和均匀受力，允许结构承受大跨度和高空悬挑所带来的重力和外力，通过第二连接梁在相邻钢管柱之间的斜向连接，为结构提供了额外的支撑和固定，进一步提高了整体结构的稳定性，其次，连接梁组与第二连接梁呈交叉设置，这种布局方式有效地形成了一个交叉支撑体系，增加了支撑结构的横向和纵向稳定性，在受到外部荷载或风力作用时，呈交叉设置的连接梁组和第二连接梁能够共同分担力量，减少结构的变形和振动，从而提高整体结构的稳定性和安全性。

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