Nonlinear dynamic behavior of base-isolated buildings with the friction pendulum system subjected to near-fault earthquakes

Mazza, Fabio; Sisinno, S.

doi:10.1080/15397734.2016.1277740

Cited by 12 publications

(2 citation statements)

References 30 publications

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“…It was found that the sliding displacement increases between 20% and 38% in the bi-directional excitation case when compared with unidirectional excitation. Several researchers studied various FPS-isolated structures, such as buildings [44], bridges [45], liquid storage tanks [46], and nuclear power plants [47]. Typically for analysis purposes, FPS is modeled in 1D or 2D; although this is agreeable under normal loading, it is not realistic in extreme loads, which may include uplifting [48].…”

Section: Sliding Isolation Systems With a Single Sliding Surfacementioning

confidence: 99%

Sliding Isolation Systems: Historical Review, Modeling Techniques, and the Contemporary Trends

et al. 2022

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Base isolation techniques have emerged as the most effective seismic damage mitigation strategies. Several types of aseismic devices for base isolation have been invented, studied, and used. Out of several isolation systems, sliding isolation systems are popular due to their operational simplicity and ease of manufacturing. This article discusses the historical development of passive sliding isolation systems, such as pure friction systems, friction pendulum systems, and isolators with other sliding surface geometries. Moreover, multiple surface isolation systems and their behavior as well as the effectiveness of using complementary devices with standalone passive isolation devices are examined. Furthermore, the article explored the various modeling techniques adopted for base-isolated single and multi-degree freedom building structures. Special attention has been given to the techniques available for modeling the complex phenomena of sliding and non-sliding phases of sliding bearings. The discussion is further extended to the development in the contemporary areas of seismic isolation, such as active and hybrid isolation systems. Although a significant amount of research is carried out in the area of active and hybrid isolation systems, the passive sliding isolation system still has not lost its appeal due to its ease of adaptability to the structures.

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Section: Sliding Isolation Systems With a Single Sliding Surfacementioning

confidence: 99%

Sliding Isolation Systems: Historical Review, Modeling Techniques, and the Contemporary Trends

et al. 2022

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“…For small vibrations of the earthquake-excited pendulum with an inelastic spring considering the P-Delta effect, see [18]. For some other advanced applications of pendulum vibrations in the present context, see, e.g., [19,20]. In the following, we consider two cases of excitation: a harmonic excitation, which in vertical direction is in primary resonance, and a real earthquake excitation from recorded acceleration data.…”

Section: Introductionmentioning

confidence: 99%

Application of a Novel Picard-Type Time-Integration Technique to the Linear and Non-Linear Dynamics of Mechanical Structures: An Exemplary Study

Oborin

Irschik

2021

Applied Sciences

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Applications of a novel time-integration technique to the non-linear and linear dynamics of mechanical structures are presented, using an extended Picard-type iteration. Explicit discrete-mechanics approximations are taken as starting guess for the iteration. Iteration and necessary symbolic operations need to be performed only before time-stepping procedure starts. In a previous investigation, we demonstrated computational advantages for free vibrations of a hanging pendulum. In the present paper, we first study forced non-linear vibrations of a tower-like mechanical structure, modeled by a standing pendulum with a non-linear restoring moment, due to harmonic excitation in primary parametric vertical resonance, and due to excitation recordings from a real earthquake. Our technique is realized in the symbolic computer languages Mathematica and Maple, and outcomes are successfully compared against the numerical time-integration tool NDSolve of Mathematica. For out method, substantially smaller computation times, smaller also than the real observation time, are found on a standard computer. We finally present the application to free vibrations of a hanging double pendulum. Excellent accuracy with respect to the exact solution is found for comparatively large observation periods.

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Seismic response of base-isolated buildings: exploring isolator properties

Domadzra,

Bhandari,

Hasan

2024

Asian J Civ Eng

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Nonlinear dynamic behavior of base-isolated buildings with the friction pendulum system subjected to near-fault earthquakes

Cited by 12 publications

References 30 publications

Sliding Isolation Systems: Historical Review, Modeling Techniques, and the Contemporary Trends

Sliding Isolation Systems: Historical Review, Modeling Techniques, and the Contemporary Trends

Application of a Novel Picard-Type Time-Integration Technique to the Linear and Non-Linear Dynamics of Mechanical Structures: An Exemplary Study

Seismic response of base-isolated buildings: exploring isolator properties

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