Dynamic behavior of sand-bitumen mixtures using large-size dynamic hollow cylinder tests

Sarajpoor, Saeed; Ghalandarzadeh, Abbas; Kavand, Ali

doi:10.1016/j.soildyn.2021.106801

Cited by 11 publications

(1 citation statement)

References 27 publications

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“…Application of the Newmark method is based on representation of the vector of unknown displacements   u and its derivatives   u by independent series in powers of a time step, with retention of terms up to third order of a derivative and choice of conditions for ensuring unconditional convergence of the integration process [15][16][17][18][19][20][21]. As a result of this representation the differential equation ( 6) at the end of the 1st step is reduced to the solution of the algebraic system…”

Section: Methоdmentioning

confidence: 99%

Investigation of dynamic behavior and stress-strain state of soil dams taking into account physically Non-linear properties of soils

Kholboev,

Matkarimov,

Mirzamakhmudov

2023

E3S Web of Conf.

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The article presents the results of a study of the dynamic behavior and stress-strain state of the Rezaksay soil dam taking into account the physically nonlinear properties of soils, in a flat setting. A mathematical model developed for the study of earth dams is presented. based on the Lagrange variational equation using the d'Alembert principle. As a computing device, the finite element method is used in the work. At the same time, it was determined that the stress-strain state and dynamic behavior of a soil dam significantly depend on the physical and mechanical properties of soils, the commensurability of the geometric dimensions, and theslope coefficients of the dam thrust prisms.

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Section: Methоdmentioning

confidence: 99%

Investigation of dynamic behavior and stress-strain state of soil dams taking into account physically Non-linear properties of soils

Kholboev,

Matkarimov,

Mirzamakhmudov

2023

E3S Web of Conf.

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Seismic fragility assessment of geotechnical seismic isolation (GSI) for bridge configuration

Forcellini

Alzabeebee

2022

Bull Earthquake Eng

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The seismic vulnerability of bridges may be reduced by the application of Geotechnical Seismic Isolation (GSI) below the foundations of the columns and the abutments. However, the role of GSI on the seismic response of bridges has been limitedly examined in literature. Therefore, this research has been conducted to study the effect of applying GSI on the seismic response of bridges to address the aforementioned gap in knowledge. Advanced nonlinear dynamic three-dimensional finite element analyses have been conducted using OpenSees to study the influence of the GSI. The cases of traditional and isolated bridges subjected to earthquakes have been considered to assess the GSI effects. The results showed that the GSI reduces the seismic effect on the column while its effect seems to be less significant for the abutments. In addition, fragility curves for the traditional and isolated cases have been developed and compared to provide insights with a probabilistic-based approach. The results of this paper provide a useful benchmark for design considerations regarding the use of GSI for bridges.

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Dynamic shear modulus and damping of lightweight sand-mycelium soil

Gou

2023

Acta Geotech.

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Dynamic behavior of sand-bitumen mixtures using large-size dynamic hollow cylinder tests

Cited by 11 publications

References 27 publications

Investigation of dynamic behavior and stress-strain state of soil dams taking into account physically Non-linear properties of soils

Investigation of dynamic behavior and stress-strain state of soil dams taking into account physically Non-linear properties of soils

Seismic fragility assessment of geotechnical seismic isolation (GSI) for bridge configuration

Dynamic shear modulus and damping of lightweight sand-mycelium soil

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