[1]NIU Linghui,HE Jia,WU Yong,et al.Research on the Monitoring and Performance Evaluation of Seismic Isolation Layers at Beijing Daxing International Airport[J].Journal of Seismological Research,2025,(03):472-478.[doi:10.20015/j.cnki.ISSN1000-0666.2025.0049
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Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume:
Number of periods:
2025 03
Page number:
472-478
Column:
Public date:
2025-04-15
- Title:
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Research on the Monitoring and Performance Evaluation of Seismic Isolation Layers at Beijing Daxing International Airport
- Author(s):
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NIU Linghui1; HE Jia2; WU Yong1; ZHAO Jianming3; WU Qiaofei2; QIN Kai4; AN Xiaowen5; ZHUANG Cantao1; ZHANG Suling1
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(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)
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- Keywords:
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terminal building of Daxing Airport; single-structure seismic isolation building; monitoring of isolation layer; isolation performance
- CLC:
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P315.92; TU352
- DOI:
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10.20015/j.cnki.ISSN1000-0666.2025.0049
- Abstract:
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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.