| 北京银泰中心钢结构主楼结构设计 |
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| 引用本文： | 赵广鹏,李培彬,吕佐超,娄宇,韩合军,黄健. 北京银泰中心钢结构主楼结构设计[J]. 建筑结构, 2007, 37(11) |
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| 作者姓名： | 赵广鹏 李培彬 吕佐超 娄宇 韩合军 黄健 |
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| 作者单位： | 中国电子工程设计院,北京,100840;中国电子工程设计院,北京,100840;中国电子工程设计院,北京,100840;中国电子工程设计院,北京,100840;中国电子工程设计院,北京,100840;中国电子工程设计院,北京,100840 |
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| 摘 要： | 北京银泰中心工程塔楼A为63层的超高层钢结构,结构总高度249.5m。工程采用框架筒中筒结构体系,并以伸臂桁架在三个设备层形成了加强层提高结构的抗侧刚度。工程在风荷载和地震反应谱的选取上做了较为充分的论证,设计中通过选择延性较好的钢材、加强第二道抗震防线、提高结构在罕遇地震作用下的抗震性能及采取强节点弱构件的构造措施,使得结构抗震性能有了较为可靠的保障。Pushover分析结果也表明结构具有充足的抗震能力。
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| 关 键 词： | 伸臂桁架 静力弹塑性分析 流体阻尼器 能力谱 需求谱 屈强比 |
Structural Design of Super-high Steel Building of Beijing Yintai Center |
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| Abstract: | Steel building of Beijing Yintai Center is a super-high structure which has 63 floors with 249.5m total structural height.The tube-tube structure system is adopted and outtriggers are set in the three mechanical floors for strengthening floors.In selecting the wind load and seis-response spectra,there do much argumentation.The structural aseismatic capacity is ensured by selecting better ductile steel,reinforcing the second aseismatic line of defence,increasing aseismatic capacity under seldom-occurred earthquake and using strong node and weak member conformation.The Pushover analysis indicates that the building has good aseismatic capacity. |
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| Keywords: | outtrigger nonlinear static analysis liquid dampers energy spectrum demand spectrum ratio of yield to strength |
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