2016年7月下 施工技术 第45卷第14期 CONSTRUCTION TECHNOLOGY 109 D0I:10.7672/8js2016140109 无轴式摩天轮结构成型施工过程分析* 陈恒超1，代跃强2，余流2.3 (1.遵义职业技术学院，贵州遵义563123；2.中国建筑第六工程局有限公司，天津300451； 3.天津市土木工程绿色建造与节能技术企业重点实验室，天津300451) [摘要]潍坊市白浪河大桥摩天轮工程采用创新的固定立体环状结构形式，是目前世界上直径最大的无轴式摩天 轮结构，实际工程少、施工经验不足.针对该工程独特的结构形式、复杂的施工方法，采用有限元分析软件MIDA/ GEN 根据“生死单元法”对该工程刚性轮盘结构成型过程进行施工过程跟踪模拟分析.结果表明：通过建立有限 元模型，对施工方案中各施工阶段进行预分析，给出了施工过程中的内力发展与变形规律，保证结构施工的安全顺 利进行. [关键词]钢结构；无轴式；摩天轮；成型施工；生死单元法；施工过程分析 [中图分类号]TU745 [文献标识码]A [文章编号]1002-8498(2016)14-0109-04 Analysis of Construction Process for Shaping the Non-spoke Type Ferris Wheel Chen Hengchao' Dai Yueqiang2 Yu Liu2.3 (1.Zunyi Professional Technology College Zunyi Guizhou 563123 China;2.China Construction Sixth Engineering Diwision Co.Ld.Tianjin 300451 China;3.Tianjin Corporate Key Laboratory of Green Construction Energy-saving Technology of Ciril Engineering Tianjin 300451 China) Abstract:The novel vertical ring-shaped structure was adopted in the architecture of Bailanghe Bridge Ferris Wheel in the Weifang city of which diameter is the largest in the world today.Considering the unique structure and difficulties to construct tracking the shaping process of rigid hub finite element analysis of construction process is implemented based on general structure analysis software MIDAS/ GEN adapting birth&death method.It is presented the internal force&deformation distribution during the shaping construction by employing nonlinear finite element method.Lots of data have been obtained as guideline...
无轴式摩天轮结构成型施工过程分析.pdf
