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Simplified mechanical model and seismic response for isolation tank considering soil-tank-liquid interaction
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Xiang LI1, 2, Shu-jin ZHANG1, 3, Jian-gang SUN2, 4, Zun-ce WANG1, Lei XU2, Li-fu CUI2, Yuan LÜ5
Journal of Vibration Engineering | 2024, 37(3) : 436 - 447
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Journal of Vibration Engineering | 2024, 37(3): 436-447
Simplified mechanical model and seismic response for isolation tank considering soil-tank-liquid interaction
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Xiang LI1, 2, Shu-jin ZHANG1, 3, Jian-gang SUN2, 4, Zun-ce WANG1, Lei XU2, Li-fu CUI2, Yuan LÜ5
Affiliations
  • 1School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
  • 2College of Civil Engineering, Dalian Minzu University, Dalian 116650, China
  • 3Research Institute of Oil Production Engineering, Daqing Oilfield Limited, CNPC, Daqing 163453, China
  • 4School of Civil Engineering, Institute of Disaster Prevention, Beijing 101601, China
  • 5School of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, China
Published: 2024-03-28 doi: 10.16385/j.cnki.issn.1004-4523.2024.03.008
Outline
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In order to seek a kind of tank structure which can absorb shock and reduce costs，a new structure system of isolation tank is proposed. The restoring force model of rolling isolation is deduced by the principle of balances of forces，and the restoring force model of composite rolling isolation device is obtained. Based on the three-particle model and site soil model，the simplified mechanical model and motion equations of the new isolation tank considering soil-tank-liquid interaction （STLI） are proposed，and the seismic responses of seismic tank and new isolation tank that considered STLI and Non-STLI are studied under different sites. The results show that the new isolation tank can effectively reduce the base shear and overturning moment，but the control of the sloshing wave height is limited. It is suggested that in the high intensity area，under the premise of meeting the shaking wave height，the new isolation tank can be designed to reduce the intensity. After considering the STLI effect，the base shear and overturning moment of seismic tank decrease obviously. The discrepancy rate gradually increases from class Ⅰ site to class Ⅳ site，and the decrease is most significant in soft soil. The seismic responses of the new isolation tank are less affected by the STLI，which can effectively cut off the coupling between the superstructure and the site soil，and weaken the influence of the STLI effect on the superstructure.

soil-tank-liquid interaction  /  isolation tank  /  composite rolling isolation  /  simplified mechanical model  /  seismic response
Xiang LI, Shu-jin ZHANG, Jian-gang SUN, Zun-ce WANG, Lei XU, Li-fu CUI, Yuan LÜ. Simplified mechanical model and seismic response for isolation tank considering soil-tank-liquid interaction[J]. Journal of Vibration Engineering, 2024 , 37 (3) : 436 -447 . DOI: 10.16385/j.cnki.issn.1004-4523.2024.03.008
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Year 2024 volume 37 Issue 3
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2024.03.008
  • Receive Date：2022-07-12
  • Online Date：2026-02-10
  • Published：2024-03-28
Article Data
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History
  • Received：2022-07-12
  • Revised：2022-09-13
Funding
Affiliations
    1School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318, China
    2College of Civil Engineering, Dalian Minzu University, Dalian 116650, China
    3Research Institute of Oil Production Engineering, Daqing Oilfield Limited, CNPC, Daqing 163453, China
    4School of Civil Engineering, Institute of Disaster Prevention, Beijing 101601, China
    5School of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen 518055, China
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表12种不同金属材料的力学参数
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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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