大跨度树杈柱+层叠式曲面网壳屋盖结构施工技术研究
王章毅 , 杨树森 , 李亮 , 潘文智 , 曹佐盛 , 马多成
建筑钢结构进展 ›› 2025, Vol. 27 ›› Issue (06) : 114 -122.
大跨度树杈柱+层叠式曲面网壳屋盖结构施工技术研究
Research on Construction Technology of Large-Span Tree Branch Column and Stacked Curved Mesh Shell Roof Structure
惠州南站钢屋盖采用大跨度树杈柱+层叠式曲面网壳结构,屋盖结构体系独特,国内少有。针对惠州南站钢屋盖工期紧、精度要求高以及施工条件复杂的特点,选择顶部钢屋盖先做、高架候车层后做的施工方法。通过方案比选、施工组织优化、施工过程无支撑钢柱稳定性控制以及施工过程仿真分析等关键技术,能够节省工期约1~2个月,施工成本降低约350万,创造较大的经济效益和社会价值,充分保障了钢屋盖施工安全和施工质量,顺利完成钢屋盖的安装工作,为后续此类型结构的设计和施工提供借鉴与参考。
The steel roof of Huizhounan Rail Station adopts large-span tree branch columns and stacked curved mesh shells. Its roof structural system is unique and rare in China. Due to the tight schedule, high precision requirements, and complex construction conditions of Huizhounan Rail Station, steel roof is constructed before the elevated waiting hall. Through key technologies such as scheme comparison, construction organization optimization, stability control of unsupported steel columns during construction and construction simulation analysis, the construction period is shortened by about 1-2 months, and the construction cost is reduced by about 3.5 million, which create significant economic benefits and social value. The safety and construction quality of the steel roof are successfully guaranteed, and the installation work of the steel roof is successfully completed. This article also provides a reference for the design and construction of similar structure in the future.
大跨度树杈柱 / 层叠式曲面网壳 / 安装施工技术 / 施工组织优化 / 钢柱长细比分析 / 施工仿真分析
large-span tree branch column / stacked curved mesh shell / installation and construction technique / construction organization optimization / analysis of steel column slenderness ratio / construction simulation analysis
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