杭州奥体博览中心主体育场钢结构罩棚施工关键技术研究.pdf

场区,建筑,杭州起重机,桁架,钢结构,学术文献
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2014年4月下 施工技术 第43卷第8期 CONSTRUCTION TECHNOLOGY 13 D0I:10.7672/5js2014080013 杭州奥体博览中心主体育场钢结构罩棚 施工关键技术研究* 周观根,郑孝谨,洪王东,朱传先,游桂模,陈峰 (浙江东南网架股份有限公司,浙江杭州311209) [摘要]针对杭州奥体博览中心主体育场钢结构罩棚大悬挑空间管桁架与弦支单层网壳的特点和施工难点,重点 研究了3种安装方法的利与弊,并详细介绍了分段拼装、分段吊装、高空对接、结构合龙、支撑架卸载等关键技术, 对施工全过程进行了模拟仿真分析.结果表明,该技术高效、合理,保证了工程质量和施工安全. [关键词]钢结构;体育场;吊装;结构合龙:有限元分析;卸载 [中图分类号]TU758.11 [文献标识码]A[文章编号]1002-8498(2014)08-0013-04 The Key Construction Technology of the Steel Truss in Main Stadium of Hangzhou Olympic and International Expo Center Zhou Guan'gen Zheng Xiaojin Hong Wangdong Zhu Chuanxian You Guimo Chen Feng Zhejiang Southeast Space Frame Co.Ltd.Hangzhou Zhejiang 311209 China) Abstract:The main stadium of Hangzhou Olympic and International Expo Center is a hybrid steel structures which is posed of large cantilever space pipe truss and single-layer suspended lattice shell structure.Based on the structural characteristics and construction difficulties of the steel structure research on the advantages and disadvantages of three kinds of installation methods for the construction process is focused on.At the same time the key construction technologies and difficulties for the sectional assembling sectional installation high altitude connection closure technology and support frame unloading etc are discussed in detail in this paper.FEA simulation analysis on the whole construction process shows that the construction technology is efficient and rational.As a result the engineering quality and construction safety are ...

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