Experimental study and parameter analysis on the seismic performance of self-centering hybrid reinforced concrete shear walls

Gu, Anqi; Zhou, Ying; Xiao, Yi; Li, Qingwu; Qu, Ge

doi:10.1016/j.soildyn.2018.10.003

Cited by 70 publications

(26 citation statements)

References 18 publications

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“…The experimental works were validated using analytical modeling. Besides that, several researchers (Holden et al 2003;Preti and Giuriani 2012;Smith et al 2011Smith et al , 2013Gavridou et al 2014;Pakiding et al, 2015;Zhu and Guo 2017;Lu and Wu 2017;Gu et al 2019) made some comparison of seismic performance between the conventional precast wall (emulative) and precast hybrid wall system (non-emulative) in term of hysteresis loops, energy dissipation, lateral strength, initial construction cost, economic losses and others. In common, the results show that the precast hybrid walls feature minimal structural damage, superior restoring, energy dissipation, ductile behavior and excellent self-centering tendency over larger lateral displacements compared to their reinforced concrete (RC) counterpart.…”

Section: Figurementioning

confidence: 99%

Review on the rocking wall systems as a self-centering mechanism and its interaction with floor diaphragm in precast concrete structures

Masrom

Hamid

2020

Lat. Am. j. solids struct.

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The severe damage of precast concrete wall structures that have been recorded in the past earthquake has led to the innovation of the rocking wall concept which can demonstrate free or minimum damage aftershock of an earthquake. Furthermore, extensive research works have been well conducted in the past three decades on the establishment of precast rocking wall systems, designs, details, and techniques. Despite this extensive development, little attention has been devoted to investigate the interaction between the rocking wall systems and the flooring diaphragm. The historical perspective on the development of rocking wall systems over the past few decades in the precast concrete structures is presented. Subsequently, the limited research works on the interaction of precast rocking wall to the floor diaphragm are described. Apart from that, this paper attempts to highlight the application of rocking wall systems in the context of precast connection for the precast load-bearing structures. In this contribution, the precast rocking wall-floor connection for precast load-bearing structures is proposed and presented in this paper.

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Section: Figurementioning

confidence: 99%

Review on the rocking wall systems as a self-centering mechanism and its interaction with floor diaphragm in precast concrete structures

Masrom

Hamid

2020

Lat. Am. j. solids struct.

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“…When the mass of the cantilever beam is relatively light and the moment of inertia is small in transverse vibration, the resulting shear deformation is negligible. Therefore, the influence of shear deformation and moment of inertia on the beam can be ignored, only its bending deformation can be considered, and the Euler-Berner beam mechanical analysis model mentioned above can be established (Xu and Lu 2011;Gu et al 2018). Combined with the condition of cantilever beam which one is the fixed and another is free.…”

Section: The Theoretical Model Of the Free Vibration Of Cantilever Beammentioning

confidence: 99%

The development and tests of remote data acquisition and transmission system on civil engineering structural vibration

Guo

Zhang

Huang³

2019

Journal of Asian Architecture and Building Engineering

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Aiming at the difficult problem of on-site real-time vibration responses monitoring and remote data transmission of the civil engineering structures, based on LabVIEW a remote data acquisition and transmission system is designed. In the system NI data acquisition card and DataSocket protocol of the LabVIEW software platform are used to realize data collection, remote transmission and control. That is, the civil engineering structural vibration responses can be monitored through internet at anytime and anywhere. The vibration parameters of a cantilever beam is detected and transmitted in real-time by using this system. The test parameter values are compared with the theoretical calculating value. The results show that relative to the traditional cable measurement and wireless short-range measurement, this system can effectively realize the remote real-time data acquisition, transmission, display, storage and control. Furthermore, the accuracy of data transmission is high. On the other hand, the system is easy to be built and maintained.

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“…To examine the cyclic and dynamic behavior of the hybrid wall system, several experimental studies have been conducted. [ 13–16 ] Also, several shake table tests have been carried out on the precast concrete buildings with hybrid wall system. [ 17,18 ] The results show that the hybrid wall system has an ideal flag‐shaped hysteretic behavior, representing superior self‐centering ability and enough energy dissipation capacity.…”

Section: Introductionmentioning

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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Experimental study and parameter analysis on the seismic performance of self-centering hybrid reinforced concrete shear walls

Cited by 70 publications

References 18 publications

Review on the rocking wall systems as a self-centering mechanism and its interaction with floor diaphragm in precast concrete structures

Review on the rocking wall systems as a self-centering mechanism and its interaction with floor diaphragm in precast concrete structures

The development and tests of remote data acquisition and transmission system on civil engineering structural vibration

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

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