武汉火车站中央站房钢结构施工过程模拟分析.pdf

2010年7月 施工技术 第39卷第7期 CONSTRUCTION TECHNOLOGY 武汉火车站中央站房钢结构施工过程模拟分析 张琨，黄刚1，刘曙2，高纯1 (1.中建三局建设工程股份有限公司，湖北武汉430064；2.中建钢构有限公司，广东深圳518040) [摘要]结合武汉火车站大跨度空间双曲网壳结构，模拟了考虑几何非线性效应和时变效应影响的施工内力分析 过程，并研究了施工阶段大跨度空间网壳结构的施工荷载、材料特性和边界条件等因素对其施工过程内力的影响. 通过对武汉火车站钢结构分阶段施工和分区域卸载的全过程进行模拟计算，并与整体卸载进行比较和施工的全过 程监测，验证了武汉火车站钢结构工程分区城卸载施工方案的可行性和优越性. [关键词]武汉火车站：钢结构；分区卸载；施工模拟 [中图分类号]TU393.3 [文献标识码]A[文章编号]1002-8498(2010)07-0001-03 Numerical Simulation Analysis of Wuhan Railway Station Steel Structure Construction Zhang Kun' Huang Gang' Liu Shu? Gao Chun' (1.China Construction Third Engineering Bureau Co. Lad.Wuhan Hubei 430064 China; 2.China Construction Steel Structure Co.Ltd.Shenzhen Guangdong 518040 China) Abstract:Combing with long-span space hyperboloid reticulated shell structure in Wuhan Railway Station the authors simulate construction internal force analysis process under the consideration of geometrical nonlinearity effect and time-varying effect and research the influence of construction load material performances and boundary conditions on structure internal force of the space reticulated shell structure on construction stage.By whole process simulation and calculation on construction by stages and unloading by regions of steel structure in Wuhan Railway Station and paring with whole unloading and construction whole process monitoring the authors verify feasibility and superiority of construction scheme of unloading by regions of steel structure engineering in Wuhan Railway Station. Key words:Wu...