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《地震研究》[ISSN:1000-0666/CN:53-1062/P]

卷:

期数:

2025年03期

页码:

472-478

栏目:

出版日期:

2025-04-15

文章信息/Info

Title:

Research on the Monitoring and Performance Evaluation of Seismic Isolation Layers at Beijing Daxing International Airport

作者:

牛领辉¹; 贺佳²; 吴勇¹; 赵建明³; 吴乔飞²; 秦凯⁴; 安晓文⁵; 庄灿涛¹; 张素灵¹

(1.北京港震科技股份有限公司,北京 102628; 2.湖南大学 土木工程学院,湖南 长沙 410082; 3.首都机场集团有限公司北京建设项目管理总指挥部,北京 102604; 4.北京市建筑设计研究院股份有限公司,北京 100045; 5.云南省地震局,云南 昆明 650224)

Author(s):

NIU Linghui¹; HE Jia²; WU Yong¹; ZHAO Jianming³; WU Qiaofei²; QIN Kai⁴; AN Xiaowen⁵; ZHUANG Cantao¹; ZHANG Suling¹

(1.Beijing Gangzhen Technology Co.,Ltd.,Beijing 102628,China)(2.College of Civil Engineering,Hunan University,Changsha 410082,Hunan,China)(3.Beijing Construction Project Management Headquarters,Capital Airports Holdings Co.,Ltd.,Beijing 102604,China)(4.Beijing Institute of Architectural Design Co.,Ltd.,Beijing 100045,China)(5.Yunnan Earthquake Agency,Kunming 650224,Yunnan,China)

关键词:

大兴机场航站楼;  单体隔震建筑;  隔震层监测;  隔震性能

Keywords:

terminal building of Daxing Airport;  single-structure seismic isolation building;  monitoring of isolation layer;  isolation performance

分类号:

P315.92; TU352

DOI:

10.20015/j.cnki.ISSN1000-0666.2025.0049

摘要:

北京大兴国际机场航站楼是世界上最大的单体隔震建筑,其隔震装置多达1 376套。大量隔震装置应用于同一大型工程结构,其工作状态及服役性能值得关注。因此,需利用机场航站楼的隔震层监测及性能评估系统,评估机场核心区隔震装置的服役状态及工作性能。介绍了系统的建设及组成部分,并分析了其在地铁、高铁等日常环境激励下的工作状态,最后以2023年山东平原5.5级地震为例,对隔震装置的隔震效果及系统的运行状态展开了检验和评估。结果表明:隔震层监测及性能评估系统在日常事件和突发地震中均可保持正常运行,隔震支座能够有效降低地震动的影响,提高建筑物的抗震性能。

Abstract:

As the largest single-structure seismic isolation building in the world,the terminal building of Beijing Daxing International Airport has been installed with various types of isolation devices including lead rubber isolation bearings,ordinary rubber isolation bearings,sliding isolation rubber bearings,and viscous dampers.A total number of 1 376 sets of isolation devices have been used.The variety and quantity of isolation devices greatly ensure the safe operation of the airport,but at the same time,this also poses great challenges to the isolation devices' daily monitoring and maintenance.Therefore,based on the monitoring and performance evaluation system of seismic isolation layers,this article focuses on investigating the working status and isolation performance of the isolation system in the core area of the airport.The construction and components of the monitoring system were introduced,and the working status of it under daily environmental excitation such as subways and high-speed trains was analyzed.Finally,taking the 2023 Pingyuan,Shandong M5.5 earthquake as an example,the performance of the isolation devices and the operational status of the system were tested and evaluated.Results show that the system can maintain normal operation in the daily work and in the case of earthquakes.Isolation bearings and dampers can effectively reduce the earthquake-caused vibration of the buildings,therefore improving the buildings' seismic performance.

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备注/Memo

备注/Memo:

收稿日期:2024-09-09.
基金项目:国家自然科学基金面上项目(52278305).
第一作者简介:牛领辉(1982-),主要从事地震工程研究以及地震监测系统推广工作.E-mail:dizhen119@163.com.

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更新日期/Last Update: 2025-04-15