施工技术 2015年10月下 86 CONSTRUCTION TECHNOLOGY 第44卷第20期 D0I:10.7672/sgs2015200086 湛江钢铁基地B型干煤棚施工 全过程模拟分析 郭小康,李鹏 (上海宝冶集团有限公司,上海200941) [摘要]根据湛江钢铁基地B型干煤棚施工组织设计,采用MIDAS通用有限元软件中的施工分析模块,考虑了结 构的几何与边界非线性,对整个施工过程进行模拟分析.获取了整个施工过程中结构的变形与应力,并将其与结 构一次加载结果进行了比较.结果表明,采用的“网架累积拼装,胎架逐步滑移”的施工方法安全可靠,施工结束时 结构的变形、应力与设计目标虽存在一定差异,但可接受. [关键词]钢结构;B型干煤棚;施工模拟;拼装;胎架 [中图分类号]TU311.41 [文献标识码]A [文章编号]1002-8498(2015)20-0086-04 Construction Process Simulation for Type-B Dry Coal Shed in Iron and Steel Base of Zhanjiang Guo Xiaokang Li Peng (Shanghai Baoye Group Co.Ltd.Shanghai 200941 China) Abstract:According to the construction process of type-B dry coal shed in iron and steel base of Zhanjiang the constructing simulation block of finite element software MIDAS is adopted to conduct the whole construction process by considering the nonlinearity of geometry and boundary.The deformation and stress distribution of the structure in the construction process are obtained which are pared with the results of the structure under plete loading.It is shown that the construction method of cumulative assembly and temporary supporting system gradually slip is safe and reliable.Although the final state of the structure in the construction process is different with the design target to same extent the results are still acceptable. Key words:steel structures;type-B dry coal shed;simulation;assembly;jigs 1工程概况 64500 本工程为宝钢广东湛江钢铁基地项目原料工 程一标段B型干煤棚,采用正放四角锥双层三心圆 2 20 20 柱面空间网壳结构,节点形式为焊接空心球,结构 4343 00 a平面 下弦采用多点支撑,在部分支点处设置橡胶支座以 252...