施工技术 2016年4月下 30 CONSTRUCTION TECHNOLOGY 第45卷第8期 D0I:10.7672/8js2016080030 上海中心大厦施工模拟分析* 王晓蓓,高振锋2,伍小平2 (1.同济大学土木工程学院,上海200092;2.上海建工集团股份有限公司,上海200080) [摘要]在施工过程中由于材料时变等因素引起的竖向构件的累积变形效应,是超高层结构设计和施工中需要考 虑的关键间题,以上海中心大厦为例,考虑混凝土收缩徐变效应等影响因素,根据实际施工进度建立施工过程有限 元模型,上海中心大厦采用钢骨混凝土组合柱,分别采用几种简化方法建立铜混组合柱模型进行施工过程模拟,得 到核心筒和巨型柱在各施工阶段的竖向累积变形,对各简化方法的计算结果进行比较,在上海中心大厦施工过程 中,对竖向构件变形及关键部位应力进行了长期监测,计算结果与实测数据较为吻合,说明分析方法的可行性. [关键词]高层建筑:组合结构;施工;数值模拟:竖向变形 [中图分类号]TU375.4 [文献标识码]A [文章编号]1002-8498(2016)08-0030-04 Construction Simulation Analysis for Shanghai Tower Wang Xiaobei' Gao Zhenfeng2 Wu Xiaoping㎡ (1.College of Ciril Engineering Tongji University Shanghai 200092 China; 2.Shanghai Construction Group Co.Ltd.Shanghai 200080 China) Abstract:The cumulative deformation of vertical members during construction caused by the effects of time-dependent material property is a major consideration in the design and construction of super-high rise buildings.A FEA model of Shanghai Tower considering creep and shrinkage of concrete is established according to the actual construction process.The Shanghai Tower adopts the steel-concrete posite columns this paper uses several simplified methods to establish the column model and the vertical cumulative deformations of cores and columns in each construction stage are acquired and pared.The long-term monitoring of vertical deformation and stress of critical members has been conducted the calculated results are in good agreement with the monitoring results which prove...
上海中心大厦施工模拟分析.pdf
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