大连市体育场上层看台结构设计

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英文篇名：Structural design of Dalian Stadium upper grandstand 中文刊名：建筑结构 英文刊名：Building Structure 作者：程亚鹏 ; 王洪国 英文作者：Cheng Yapeng ; Wang Hongguo(Institute of Architectural Design and Research ; Harbin Institute of Technology ; Harbin 150090 ; China) 中文关键词：体育场 ; 支承结构 ; 拉弯构件 ; 有粘结预应力 ; 超长结构 英文关键词：stadium ; supporting structure ; member with pull and press ; bonded prestress ; super-long structure 出版日期：2012-01-15 机构：哈尔滨工业大学建筑设计研究院; 年：2012 期：01 出版单位：建筑结构

摘要

大连市体育场看台结构为混凝土框架结构,上层看台径向两端为关键节点,一端是罩篷钢桁架上部支座的支承结构,一端是大悬臂结构。着重阐述了这两个节点的结构方案分析及设计。上层看台混凝土结构环向超长,为了控制温度应力和混凝土收缩所产生的裂缝采取了设置粘结预应力筋、施工后浇带、通长板钢筋等一系列措施。并应用MIDAS Gen程序进行总装整体模型计算,考虑了240余种荷载组合,选取了最不利荷载进行结构设计。
The upper grandstand of Dalian Stadium is reinforced concrete structure,and the radial ends of this grandstand are key nodes,one is the support structure for top pedestal of the ceiling structure,and the other is long span cantilever.The structural analysis and design of these two nodes were summarized.The upper grandstand is super-long structure in radial direction.A series of measures,such as setting bond prestressed reinforcement,pouring techninque after construction and reinforced through whole plates,were adopted to reduce cracks caused by temperature stress and concrete shrinkage.MIDAS Gen finite element software was used to perform whole structure analyses,240 load combinations were checked and the most adverse load was select to be the design load.

引文

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