Centrifuge and numerical modeling of the behavior of homogeneous embankment on liquefiable soil subjected to dynamic excitation

Saade, Chedid; Li, Zheng; Escoffier, Sandra; Thorel, Luc

doi:10.1016/j.soildyn.2023.107999

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Cited by 6 publications

References 57 publications

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Numerical study on the dynamic response characteristics of liquefiable silty sand-rock composite strata – Tunnel system under the influence of the vibration of a shield cutter-head

Jiang,

Zhang,

et al. 2024

Tunnelling and Underground Space Technology

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Numerical study on the dynamic response characteristics of liquefiable silty sand-rock composite strata – Tunnel system under the influence of the vibration of a shield cutter-head

Jiang,

Zhang,

et al. 2024

Tunnelling and Underground Space Technology

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A new method of rapid-intelligent assessment for the dynamic service performance in high-speed railway subgrade

Deng,

Xie,

Wang

et al. 2024

International Journal of Rail Transportation

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Development of a novel cylindrical cam shaking table for geotechnical centrifuge modelling

Sahare,

Sano,

Itoh

et al. 2024

International Journal of Physical Modelling in Geotechnics

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The use of dynamic centrifuge modelling has substantially risen over the years for investigating failure mechanisms, studying the physics-based mechanics of soil structure systems, and validating numerical tools. Nevertheless, the primary issues associated with the use of servo-hydraulic actuators (presently the prevailing shaking table for a geotechnical centrifuge) are their exorbitant expense, intricate operation, and shaking control. This paper describes the development of a novel cylindrical cam shaker for the newly installed Mark III geotechnical centrifuge facility at Tokyo City University. The cylindrical cam mechanism is activated once the desired voltage is applied via the electrical slip rings. The rotation of the cylindrical cam is translated into the linear motion of the follower plate which then moves the shaker linearly back and forth. A stepwise procedure is developed to determine the voltage required to drive the shaker and achieve the desired earthquake characteristics for a given payload mass and centrifugal acceleration. The performance of the shaker was systematically assessed through a series of dynamic centrifuge experiments at different centrifugal accelerations and payload masses. Finally, the excellent capabilities of the developed mechanical shaker in terms of the repeatability of the base motions were demonstrated using a model example.

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Centrifuge and numerical modeling of the behavior of homogeneous embankment on liquefiable soil subjected to dynamic excitation

Cited by 6 publications

References 57 publications

Numerical study on the dynamic response characteristics of liquefiable silty sand-rock composite strata – Tunnel system under the influence of the vibration of a shield cutter-head

Numerical study on the dynamic response characteristics of liquefiable silty sand-rock composite strata – Tunnel system under the influence of the vibration of a shield cutter-head

A new method of rapid-intelligent assessment for the dynamic service performance in high-speed railway subgrade

Development of a novel cylindrical cam shaking table for geotechnical centrifuge modelling

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