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Numerical investigation of multi-directional site response based on KiK-net downhole array monitoring data

Han, Bo ; Zdravkovic, Lidija ; Kontoe, Stavroula ; Taborda, David M.G.

Computers and geotechnics, 2017-09, Vol.89, p.55-70 [Periódico revisado por pares]

New York: Elsevier Ltd

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Título:
Numerical investigation of multi-directional site response based on KiK-net downhole array monitoring data
Autor: Han, Bo ; Zdravkovic, Lidija ; Kontoe, Stavroula ; Taborda, David M.G.
Assuntos: Acceleration array data ; Arrays ; Computer simulation ; Deformation ; Deformation mechanisms ; Finite element analysis ; Finite element method ; Hydro-mechanical coupling ; Iron ; Mathematical models ; Modelling ; Monitoring ; Monitoring systems ; Multi-directional site response ; Predictions ; Shear ; Studies ; Three dimensional models ; Volumetric analysis
É parte de: Computers and geotechnics, 2017-09, Vol.89, p.55-70
Descrição: The multi-directional site response of a well-documented downhole array in Japan is numerically investigated with three directional (3-D) dynamic hydro-mechanically (HM) coupled Finite Element (FE) analysis. The paper discusses the challenges that 3-D modelling poses in the calibration of a cyclic nonlinear model, giving particular emphasis on the independent simulation of the shear and volumetric deformation mechanisms. The employed FE model is validated by comparing the predicted site response against the recorded motions obtained from the KiK-net downhole array monitoring system in Japan. The results show that, by employing the appropriate numerical model, a good agreement can be achieved between the numerical results and the monitored acceleration response in all three directions simultaneously. Furthermore, the comparison with the recorded response highlights the significance of the independent modelling of the shear and volumetric deformation mechanisms to the improvement of the numerical predictions of multi-directional site response.
Editor: New York: Elsevier Ltd
Idioma: Inglês

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Numerical investigation of multi-directional site response based on KiK-net downhole array monitoring data

Han, Bo ; Zdravkovic, Lidija ; Kontoe, Stavroula ; Taborda, David M.G.

New York: Elsevier Ltd

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