Hysteretic behavior investigation of self-centering double-column rocking piers for seismic resilience

Han, Qiang; Jia, Zhenlei; Xu, Kun; Zhou, Yucai

doi:10.1016/j.engstruct.2019.03.024

Cited by 112 publications

(41 citation statements)

References 27 publications

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“…Liu et al (2019d) proposed a new type of elastic rocking pier column and studied the seismic performance of the new pier column under cyclic load test. Han et al (2019a) proposed a new swinging pier that uses unbonded post-tensioning and has an alternative energy dissipation device at the bottom of the pier, and has conducted experimental studies on the pier with different types of energy dissipation devices. Zhang et al (2019h) proposed a dimensionless regression analysis method to estimate the seismic response of rocking pier-foundation system under near-fault ground motion.…”

Section: Self-centering Piermentioning

confidence: 99%

Review of annual progress of bridge engineering in 2019

Zhao

Yuan

Wei

et al. 2020

ABEN

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Bridge construction is one of the cores of traffic infrastructure construction. To better develop relevant bridge science, this paper introduces the main research progress in China and abroad in 2019 from 13 aspects, including concrete bridges and the high-performance materials, the latest research on steel-concrete composite girders, advances in box girder and cable-supported bridge analysis theories, advance in steel bridges, the theory of bridge evaluation and reinforcement, bridge model tests and new testing techniques, steel bridge fatigue, wind resistance of bridges, vehicle-bridge interactions, progress in seismic design of bridges, bridge hydrodynamics, bridge informatization and intelligent bridge and prefabricated concrete bridge structures.

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Section: Self-centering Piermentioning

confidence: 99%

Review of annual progress of bridge engineering in 2019

Zhao

Yuan

Wei

et al. 2020

ABEN

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“…This interaction introduces hard contact in normal direction and penalty method with a friction coefficient of 0.4 in a tangential direction. [ 41 ] The constraint in the type of embedded region was used to consider the interaction of reinforcing bars to the surrounding concrete. The welds between connections were simulated using tie constraint.…”

Section: Numerical Modeling and Verificationmentioning

confidence: 99%

A posttensioned rocking infill wall–frame system for multistory precast concrete buildings

Naserpour

Fathi

2021

Structural Design Tall Build

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Summary By proposing a multiple rocking infill wall–frame (MRWF) system, this paper investigates the effects of wall–frame interaction on the seismic response of self‐centering walls. In the MRWF system, infill walls are connected to the adjacent beams through posttensioned tendons, which provide the self‐centering ability, and the energy dissipation capacity of the system is enhanced using O‐shaped steel dampers. The seismic behavior of the MRWF system, with various wall configurations, is evaluated alongside conventional shear wall and typical rocking wall systems at three height levels of two, four, and six stories. After developing the numerical models, the cyclic and time history analyses are carried out. The results of cyclic analysis show that the energy dissipation capacity of MRWF models is much higher than that of typical rocking wall models. Furthermore, for the MRWF models, by increasing the number of walls with a smaller width, the effect of wall–frame interaction is mitigated, resulting in minimal damage to the structural members and self‐centering ability of more than 90%. The time history analysis results illustrate that for the MRWF models, the residual drifts and plastic rotation at the beams are significantly reduced by applying the proper structural layout of the multiple rocking walls, especially for six‐story models.

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“…Civil engineering structures often exhibit nonlinear hysteretic behavior under strong cyclic loadings, such as earthquakes, hurricanes, and other extreme loads . Hysteresis refers to the memory nature of inelastic behavior, where restoring force depends not only on transient deformation but also on the history of deformation .…”

Section: Introductionmentioning

confidence: 99%

Identification of nonlinear hysteretic systems using sequence model‐based optimization

Jiang

Wen

Han

et al. 2020

Struct Control Health Monit

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Summary Identification of nonlinear hysteretic systems has practical significance for the prediction of structural response. This paper develops a novel parameter identification method for nonlinear hysteretic systems. The Bouc–Wen model and its improved models are used to parametrically characterize the structural systems. Model parameters are identified using a given load‐displacement trajectory. The proposed method is developed under the framework of the sequence model optimization, which provides a broader search domain and needs fewer iterations. Firstly, a series of sensitivity analyses were conducted to investigate the effects of the Bouc–Wen parameters on the hysteresis behavior and to guide the identification process. Subsequently, based on the framework of the sequence model optimization, a novel strategy for identifying the model parameters of the nonlinear hysteresis system was proposed. Finally, the effectiveness and accuracy of the proposed algorithm were verified by the experimental data and numerical simulation results. The results indicate that the identified numerical model can accurately capture the strength and stiffness degradation and the pinching effect of the structural system. As a result, the predicted hysteretic trajectories are well agreed with the actual structural responses. The case studies demonstrate that the proposed method is sufficiently accurate and computationally efficient for the nonlinear hysteretic systems.

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Hysteretic behavior investigation of self-centering double-column rocking piers for seismic resilience

Cited by 112 publications

References 27 publications

Review of annual progress of bridge engineering in 2019

Review of annual progress of bridge engineering in 2019

A posttensioned rocking infill wall–frame system for multistory precast concrete buildings

Identification of nonlinear hysteretic systems using sequence model‐based optimization

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