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某医院两栋住院楼对称布置,建筑总高98.7m,共24层,两栋楼相距40 m,在21~22层用连廊联系两栋楼,两栋楼分别悬挑19.5m钢桁架。本文根据高位悬挑构件的复杂性,有针对性地进行抗震受力分析及设计,并对大型复杂钢结构施工过程的高空安装、卸载全过程进行施工模拟。分析结果及后期实践表明,本工程所采取的设计方法、施工模拟是安全可靠的,也为以后类似项目提供了宝贵经验。
The two hospital buildings of a hospital are symmetrically arranged. The total height of the building is 98.7m, a total of 24 floors. The two buildings are 40 m apart. Two buildings are linked with the corridors on the 21st to the 22nd floors, and the 19.5m steel trusses are respectively suspended in the two buildings. According to the complexity of tall cantilever structures, this paper analyzes and designs the seismic resistance force in a targeted way, and simulates the whole process of high-altitude installation and unloading of large-scale complex steel structures. The analysis results and later practice show that the design method and construction simulation adopted in this project are safe and reliable, and also provide valuable experience for similar projects in the future.