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Performance design method of a new combined isolation system based on passive variable damping variable stiffness device
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Zheng LI, Weiqing FU, Haozhe WANG
Earthquake Engineering and Engineering Dynamics | 2024, 44(3) : 127 - 135
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Earthquake Engineering and Engineering Dynamics | 2024, 44(3): 127-135
Performance design method of a new combined isolation system based on passive variable damping variable stiffness device
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Zheng LI, Weiqing FU, Haozhe WANG
Affiliations
  • School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, China
doi: 10.13197/j.eeed.2024.0312
Outline
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Passive variable damping and stiffness device is a device that does not require external energy input and feedback control, and has the functions of variable damping energy consumption and variable stiffness limit. By combined with isolation bearings, this device forms a new isolation system that can effectively control seismic waves of different types and intensities. Based on the theory of performance-based design, a design method for composite isolation systems has been proposed. Through this method, the parameter design of passive variable damping and stiffness devices and isolation bearings in the isolation layer can be completed. The study also provided a complete design process and detailed explanation of the design process, and verified the feasibility and effectiveness of the design method through engineering examples. This performance design method can be widely applied in the engineering design field of composite isolation new systems, providing a reliable design method and technical support for related engineering. Through this advanced design method, the structure can better cope with disasters caused by earthquakes, ensuring the safety and stability of the structure.

passive variable damping variable stiffness device  /  combined isolation system  /  performance design method  /  control effect
Zheng LI, Weiqing FU, Haozhe WANG. Performance design method of a new combined isolation system based on passive variable damping variable stiffness device[J]. Earthquake Engineering and Engineering Dynamics, 2024 , 44 (3) : 127 -135 . DOI: 10.13197/j.eeed.2024.0312
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Year 2024 volume 44 Issue 3
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Article Info
doi: 10.13197/j.eeed.2024.0312
  • Receive Date：2023-04-26
  • Online Date：2026-03-30
Article Data
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  • Received：2023-04-26
  • Revised：2023-06-01
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    School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, China
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https://castjournals.cast.org.cn/joweb/dzgcygczd/EN/10.13197/j.eeed.2024.0312
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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