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Seismic Isolation Design Comparison of Japan, China, USA and Eurocode
More and more seismically isolated buildings have been constructed in the world. One of the reasons for the dramatic increase is the stipulation of design standards. In October 2021, “ISO/FDIS 23618-2022 Bases for design of structures - General principles for seismically isolated structures” was approved.
In this paper, seismic isolation design and devices testing standards of Japan, China, the United States of America and Eurocode, are compared using the same building model. For seismic loads, design response spectra were calculated and compared. The locations of the buildings were assumed to be Tokyo, Beijing, San Francisco and Reggio Calabria, Italy, respectively, in order to take into account the seismicity.
The building model is a 7-story RC building supported by lead rubber bearings. In each analysis case, the weight, height, super-structure and ground conditions of the building were all the same. In Japan, China and Eurocode, the same LRB devices were used. However, the seismic load in USA was quite large, larger size devices were used. Both the equivalent linearization method and the time history response analysis method were used for the response analysis of the building. The response analysis results such as the response displacement of the seismic isolation system, the shear force coefficients of the super-structure, and the story drift were used as comparison parameters.
Seismic Isolation Design Comparison of Japan, China, USA and Eurocode
More and more seismically isolated buildings have been constructed in the world. One of the reasons for the dramatic increase is the stipulation of design standards. In October 2021, “ISO/FDIS 23618-2022 Bases for design of structures - General principles for seismically isolated structures” was approved.
In this paper, seismic isolation design and devices testing standards of Japan, China, the United States of America and Eurocode, are compared using the same building model. For seismic loads, design response spectra were calculated and compared. The locations of the buildings were assumed to be Tokyo, Beijing, San Francisco and Reggio Calabria, Italy, respectively, in order to take into account the seismicity.
The building model is a 7-story RC building supported by lead rubber bearings. In each analysis case, the weight, height, super-structure and ground conditions of the building were all the same. In Japan, China and Eurocode, the same LRB devices were used. However, the seismic load in USA was quite large, larger size devices were used. Both the equivalent linearization method and the time history response analysis method were used for the response analysis of the building. The response analysis results such as the response displacement of the seismic isolation system, the shear force coefficients of the super-structure, and the story drift were used as comparison parameters.
Seismic Isolation Design Comparison of Japan, China, USA and Eurocode
Lecture Notes in Civil Engineering
Cimellaro, Gian Paolo (Herausgeber:in) / Feng, Demin (Autor:in) / Saito, Taiki (Autor:in) / Wu, Honglei (Autor:in) / Liu, Wenguang (Autor:in)
World Conference on Seismic Isolation ; 2022 ; Turin, Italy
Seismic Isolation, Energy Dissipation and Active Vibration Control of Structures ; Kapitel: 26 ; 317-325
07.01.2023
9 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Seismic isolation , Design code , Equivalent linear method , Time history analysis , ISO 23618 Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences , Fire Science, Hazard Control, Building Safety , Building Construction and Design , Cultural Heritage
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