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考虑设备使用安全性的空冷支架结构体系基于位移的抗震设计方法研究

STUDY OF DISPLACEMENT-BASED DESIGN METHOD OF AIR-COOLED CONDENSER STRUCTURE CONSIDERING EQUIPMENT SAFETY

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【作者】 代慧娟白国良王博薛冯李红星

【Author】 Dai Huijuan;Bai Guoliang;Wang Bo;Xue Feng;Li Hongxing;School of Architecture and Civil Engineering,Xi’an University of Science and Technology;Civil Engineering College of Xi’an University of Architecture and Technology;North-West Electric Power Designing Institute;

【机构】 西安科技大学建筑与土木工程学院西安建筑科技大学土木工程学院西北电力设计院

【摘要】 现有的空冷支架结构抗震设计方法没有明确考虑设备在地震中的使用安全性,不符合"投资效益"准则。通过空冷支架结构的抗震性能试验研究,给出适合该类结构-设备耦合体系在地震作用下的性能水平,提出考虑设备使用安全性的空冷支架结构抗震性能目标量化值,并建立一种适用于该类结构体系的基于位移的抗震设计方法和步骤。最后,以某1 000 MW空冷支架结构为例进行基于位移的抗震设计,并采用非线性动力时程分析对提出的基于位移的设计方法进行验证。结果表明,提出的基于位移的抗震设计方法较为合理。

【Abstract】 The existing seismic design methods of air-cooled condenser structure do not meet the"investment benefit"criterion because they do not consider the safety of the equipment in earthquake. Through the experimental study on the seismic performance of the structure,performance levels and quantified values of the structure were given,which were suitable for the structure-equipment coupled system,the design methods and steps were established. Finally,displacement-based seismic design method was used to analyze a 1 000 MW air-cooled condenser structure,and the nonlinear dynamic time history analysis was taken for validation. The results showed that displacement-based seismic design method was reasonable.

【基金】 国家自然科学基金面上项目(51178383);教育部高等学校博士学科点专项科研基金(20096120110003)
  • 【文献出处】 工业建筑 ,Industrial Construction , 编辑部邮箱 ,2015年02期
  • 【分类号】TU352.11
  • 【被引频次】1
  • 【下载频次】64
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