Dynamic Interaction Between the Shaking Table and the Specimen During Seismic Tests

Maoult, Alain Le; Queval, Jean-Claude; Bairrão, Rogério

doi:10.1007/978-90-481-8746-1_40

Cited by 8 publications

(6 citation statements)

References 2 publications

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“…It is composed only of shell finite elements, since the shaking table can be seen as an assembly of shells and plates. A detailed description of the shaking table model can be found in [43]. The overall mesh is composed of 13,178 finite elements and 10,779 nodes.…”

Section: Description Of the Numerical Modelmentioning

confidence: 99%

SMART 2013: Experimental and numerical assessment of the dynamic behavior by shaking table tests of an asymmetrical reinforced concrete structure subjected to high intensity ground motions

Richard

Cherubini

Voldoire

et al. 2016

Engineering Structures

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Section: Description Of the Numerical Modelmentioning

confidence: 99%

SMART 2013: Experimental and numerical assessment of the dynamic behavior by shaking table tests of an asymmetrical reinforced concrete structure subjected to high intensity ground motions

Richard

Cherubini

Voldoire

et al. 2016

Engineering Structures

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“…In particular, spurious base motions, such as rocking, may be induced due to the admittance of the supporting system and/or the actuators because the control cannot fully compensate undesirable motions . Spurious motions also may occur due to the deformability of the table plate itself (Le Maoult et al 2009). …”

Section: Shaking Tablementioning

confidence: 99%

An overview of seismic testing needs in Europe: towards a new advanced experimental facility

Marazzi

Politopoulos

Pavese

2010

Bull Earthquake Eng

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This paper presents a synthesis of the activities carried out in the framework of the European project EFAST (design study of a European Facility for Advanced Seismic Testing) to determine the general characteristics of a new European world-class facility for earthquake testing of structures. To this end the demands for the necessary testing to support the modern seismic engineering research have been investigated and compared to the actual capabilities of European laboratories. The outcome is the determination of performance objectives and requirements in the gross. On the basis of the needs assessment carried out during the first phase of the project and taking into account the technological advances in both experimental techniques and equipment (hardware and software) for seismic testing, a modern facility for experimental seismic research should be composed, mainly, of a high performance shaking tables array and a large reaction structure where both traditional (pseudo-static/dynamic) and innovative testing techniques (e.g. real time hybrid testing) can be applied and combined. A tentative layout of the facility is also proposed and issues related to the best utilization of such a laboratory are discussed.

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“…The investigation suggests that the stiffness hinge should be increased as much as possible. Maoult et al 29 adopted finite element modeling to investigate the phenomenon of structural frequency reduction in large-scale shaking table experiments. The investigation demonstrated that the deformation of shaking table is the main reason for the CSI effects.…”

Section: Introductionmentioning

confidence: 99%

Effect assessment for the interaction between shaking table and eccentric load

Wang

Liu

et al. 2022

Sci Rep

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Electro-hydraulic shaking table is an essential experimental apparatus to evaluate structural performance under actual vibration condition. The control-structure interaction (CSI) between shaking table and eccentric load has lately received considerable attention for causing the accuracy degradation of shaking table test. At present, the research gap of the influence of the eccentricity of load on the CSI makes it challenging to find the CSI effects. And an effect assessment is yet to be proposed to evaluate the CSI effects, which has impeded the development of test technology. To overcome those theoretical bottlenecks, in this research, an analytical transfer function matrix of shaking table and eccentric load is established to analyze the CSI effects. The analysis is conducted under such conditions as different mass ratio (MR), moment of inertia ratio (IR), and eccentric distance ratio (ER) conditions. Through the analysis, the role of the ER is identified, the sensitivities of the MR, IR, and ER to the transfer function matrix are revealed, and the CSI effects are found. Furthermore, a novelty effect assessment is proposed to appraise whether the CSI effects can be ignored in shaking table test. And the visualization expression of the effect assessment is obtained for convenient application.

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Dynamic Interaction Between the Shaking Table and the Specimen During Seismic Tests

Cited by 8 publications

References 2 publications

SMART 2013: Experimental and numerical assessment of the dynamic behavior by shaking table tests of an asymmetrical reinforced concrete structure subjected to high intensity ground motions

SMART 2013: Experimental and numerical assessment of the dynamic behavior by shaking table tests of an asymmetrical reinforced concrete structure subjected to high intensity ground motions

An overview of seismic testing needs in Europe: towards a new advanced experimental facility

Effect assessment for the interaction between shaking table and eccentric load

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