Abstract Based on potential flow theory (PFT), the lower limit for large amplitude liquid sloshing of rectangular liquid storage tank (RLST) is obtained, and a 3-D numerical model of sliding isolation concrete rectangular liquid storage tank (CRLST) with displacement limiting-devices is established. Results calculated by two-way coupling method are compared with those obtained by finite element method (FEM) based on nonlinear PFT, dynamic responses of isolation and no-isolation CRLSTs are compared, and parameter analysis is conducted. Results show that sliding isolation has a good damping effect on the dynamic responses. The more the dimension of seismic action is, the greater the dynamic responses will be; Dynamic responses increase with the increase of liquid level height; The nonlinear liquid sloshing becomes more pronounced as the PGA increases, but the effect of PGA on tensile stress of the structure is not significant after sliding isolation being taken; the resonance problem caused by excitation frequency should be paid enough attention to.


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    Title :

    Nonlinear Dynamic Responses of Sliding Isolation Concrete Liquid Storage Tank with Limiting-Devices


    Contributors:
    Cheng, Xuansheng (author) / Jing, Wei (author) / Feng, Huan (author)

    Published in:

    Publication date :

    2019-06-03


    Size :

    16 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English







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