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随着社会经济的不断发展,建筑向高层化、艺术化、功能化发展。在建筑设计中,钢结构因抗震性能优良、结构承载力高及施工速度快等优势,在多层、高层与超高层建筑中获得广泛应用。然而在进行钢结构框架设计工作时,为满足设计效果,建筑设计师经常会对钢柱取尽可能小的截面,但钢柱截面较小,经常会引起钢柱长细比难以符合建筑框架设计的规范要求。在本文中,通过对多层钢结构框架钢柱长细比要求的分析,结合实际案例,对多层钢结构框架钢柱长细比设计工作进行了分析与探讨。
With the continuous development of social economy, architecture has developed into a high-level, artistic and functional development. In architectural design, steel structures are widely used in multi-story, high-rise and super-tall buildings due to their excellent seismic performance, high structural bearing capacity and fast construction speed. However, in the design of steel frame, to meet the design effect, architects often take the smallest possible cross-section of the steel column, but smaller steel cross-section, often lead to slenderness of the steel column is difficult to meet the architectural design The specification requirements. In this paper, through the analysis of the requirements of the slenderness ratio of the multi-story steel frame and the practical case, the design of the slenderness ratio of the multi-story steel frame is analyzed and discussed.