Real-time hybrid test of a LNG storage tank with a variable curvature friction pendulum system

• Autorzy: Lin Shu-chao , Wang Jingxuan , Gao Shan , Zhao Hong-tie

Identyfikatory

DOI

10.1007/s43452-021-00245-z

• Języki publikacji: EN

Abstrakty

EN

To accurately reproduce the seismic response of the liquefied natural gas (LNG) storage tank equipped with the variable curvature friction pendulum system (VCFPS), a real-time hybrid (RTH) experiment, also known as a real-time substructure experiment, is conducted on it in this study. A typical LNG storage tank with a capacity of 160,000 m3 is employed as the numerical substructure simulated using the MATLAB/Simulink, while the variable curvature friction pendulum bearing (VCFPB) is utilized as the experimental substructure tested using the compression-shear equipment. Thereafter, the validity and feasibility of the RTH experiment are verified using the SAP2000 results. Finally, the working performance of the VCFPB is evaluated scientifically, comprehensively, reasonably, and efficiently. The results show that the VCFPB is very effective in avoiding the resonance phenomenon. It can be seen from the displacement of isolation layer that the VCFPB meets the design requirement. The maximum relative deviations between the RTH test results and the SAP2000 results are 3.45% for the displacement of isolation layer, 4.27% for the base shear, and 1.49% for the liquid sloshing height, respectively. The RTH test is stable and reliable and the predicted results are highly accurate and effective. The RTH test method proves to be accurate in the prediction of the seismic response of the LNG storage tank equipped with the VCFPBs.

Słowa kluczowe

EN

real-time hybrid test; LNG storage tank; VCFPB; long-period ground motion; seismic response

PL

zbiornik LNG; zbiornik do przechowywania cieczy; trzęsienie ziemi

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2021
• Tom: Vol. 21, no. 3
• Strony: 44--62
• Opis fizyczny: Bibliogr. 45 poz., fot., rys., tab.

Twórcy

autor

Lin Shu-chao

• Shaanxi Key Laboratory of Safety and Durability of Concrete Structures, Xijing University, Xi’an 710123, China
• Postdoctoral Station of Civil Engineering, Tianjin University, Tianjin 300072, China

autor

Wang Jingxuan

• School of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, China

autor

Gao Shan

• School of Civil Engineering, Harbin Institute of Technology, Harbin 150000, China
• Postdoctoral Station of Civil Engineering, Chongqing University, Chongqing 400000, China

• https://orcid.org/0000-0002-9590-9158

autor

Zhao Hong-tie

• School of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 10055, China

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)