Abstract Shaking table test is widely used as the main experimental approach to evaluate seismic performance of structures, and it usually consumes huge funds and labors. To ensure success of the tests, it is essential to evaluate the feasibility and accuracy before the test is conducted. However, research on test feasibility has rarely been reported. In recent years, complexity of shaking table tests has increased significantly due to the increasing demand of testing facility performance. Hence, feasibility evaluation becomes more and more important. In this paper, main performance indexes of the shaking table facility are expounded. According to the performance indexes of actuator parameters, a rapid feasibility evaluation method is then proposed based on the equilibrium between the facility capacity and the table output demand. Subsequently, applicability of the evaluation method is validated by evaluating the practical tests. The results show that the maximum acceleration targets in horizontal and vertical direction are mutually restrained under three-dimensional excitations. For the feasibility evaluation of large-scale model tests, the eccentric and overturning moment of specimen are the main performance control indexes due to their adverse influences on the facility. And the overturn-resistance of shaking table will be enhanced significantly by vertical actuators during the absence of vertical excitations. In the shaking table array test, millimeter-scale relative displacement between tables may lead to accidental damage of the test specimen or not working of the facility when the reinforced concrete foundation crosses the shaking tables. Therefore, attentions should be paid to the design of the test scheme.


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    Titel :

    Facility Performance Indexes and Rapid Test Feasibility Evaluation Method of Shaking Tables


    Beteiligte:
    Guo, Wei (Autor:in) / Zhai, Zhipeng (Autor:in) / Yu, Zhiwu (Autor:in) / Long, Yan (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2019-06-05


    Format / Umfang :

    16 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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