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Effects of earthquake characteristics and soil on the performance of seismic isolation of bridges

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Authors Effects of earthquake characteristics and soil on the performance of seismic isolation of bridges

Nastaran Cheshmehkaboodi - PhD Candidate, University of Quebec, École de technologie supérieure, Canada.
Lotfi Guizani - Professor, University of Quebec, École de technologie supérieure, Canada.

Abstract:

Due to the destructive effects of near-fault earthquakes and soil effects, the aim of this study is to investigate the effect of these parameters on isolated bridges. Real earthquake records with different distances of fault are chosen and investigated. Results in terms of deck acceleration, base shear, displacement and the performance of isolator are studied and compared by nonlinear time history analysis in SAP2000. Results demonstrate that for NF zones, considering the soil effect, is imperative. In soft soils, seismic responses are amplified. Designing isolator without taking this fact into account will cause inappropriate design with lower capacity

Keywords:

Near-Fault records, Soil effect, Isolation system, seismic responses.

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COI code: SECM03_465

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Cheshmehkaboodi, Nastaran & Lotfi Guizani, 2019, Effects of earthquake characteristics and soil on the performance of seismic isolation of bridges, rd International Conference on Applied Researches in Structural Engineering and Construction Management (secm2019), تهران, دانشگاه صنعتي شريف, https://www.civilica.com/Paper-SECM03-SECM03_465.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Cheshmehkaboodi, Nastaran & Lotfi Guizani, 2019)
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