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Estimation of Load-Induced Damage and Repair Cost in Post-Tensioned Concrete Rocking Walls

Journal of Shanghai Jiaotong university(Science) 2018年第1期23卷 122-131页

作者： jafari abouzar DUGNANI Roberto University of Michigan-Shanghai Jiao Tong University Joint Institute Shanghai Jiao Tong University

Post-tensioned concrete rocking walls might be used to avoid severe seismic damage at the base of structural walls, decrease residual drift, and lessen post-earthquake repair costs. The prediction of load-induced damage to the rocking wall resulting from seismic loading can provide an extremely valuable tool to evaluate the status and safety of structural concrete walls following earthquakes. In this study, the behavior and the damage state of monolithic, self-centering, rocking walls, as a new type of concrete rocking wall, are investigated. The nonlinear mechanical behavior of the wall is first modeled numerically, and subsequently the mechanical parameters from the numerical simulation are used to generate the local damage index. The results from the damage index model are compared with the full-scale test results, confirming the viability of the numerically based damage index method for estimating the seismically induced damage in concrete walls. Moreover, the estimated damage can be utilized as a qualitative and quantitative scale to assess the status of the wall following seismic loading ***, an equation is proposed to estimate the repair cost based on the predicted damage state for the studied structural system.

关键词： rocking walls damage index damage estimation repair cost post-tensioning(PT)

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Retraction Note to:Estimation of Load-Induced Damage and Repair Cost in Post-Tensioned Concrete Rocking Walls

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Journal of Shanghai Jiaotong university(Science) 2022年第4期27卷 588-588页

作者： jafari abouzar DUGNANI Roberto University of Michigan-Shanghai Jiao Tong University Joint Institute Shanghai Jiao Tong UniversityShanghai200240China

The Editor-in-Chief has retracted this article after an investigation by the University of Michigan-Shanghai Jiao Tong University Joint Institute concluded that it overlaps significantly with Refs.[1-3]and is therefore *** Dugnani agrees with this retraction but not with the wording of the retraction *** jafari has not responded to correspondence from the Journal about this retraction.

关键词： redundant overlap correspondence

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