Dynamic behavior of earth dams under different kinematic impacts

Mirsaidov, Mirziyod; Toshmatov, Elyor

doi:10.1051/e3sconf/202337601103

Cited by 12 publications

(4 citation statements)

References 34 publications

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“…In order to carry out such calculations, a relatively large number of ground deformability parameters have to be determined with high accuracy and iterative methods for solving the obtained nonlinear equations have to be created. In this work, the cubic dependence between stress and strain components is used to describe the manifestation of physically nonlinear material properties [2][3][4][5][6][7][8][9][10].…”

Section: Intrоductiоnmentioning

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: Intrоductiоnmentioning

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 evaluation of earthquake hazards can protect the population and put them in safety side also it can be protected the dams from failure by analysis the behavior of dam soil through and at the end of earthquake [6,7].…”

Section: Introductionmentioning

confidence: 99%

Physical Modeling of Seismic Response of Makhool Dam Subjected to the Halabja Earthquake

Ali,

Al-Shukur

2024

MMEP

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Earth dam can be considered as the most ancient type of embankment dam that can be constructed with natural materials such as natural soils, rocks, clay and gravel. Zone earthfill dam is typically composed of two main parts: central core and shell that is filled with gravel and rock to strengthen the stability of the whole body of dam. Many reasons can cause the failure of an earth dam including hydraulic failure, structural failure and seepage failure. Earthquake failure can be considered as a structural failure, therefore, it is important to study the dynamic response of earth dam during the earthquake. This paper presents a seismic analysis on zone-earth dam subjected to earthquake excitation by using a shaking table with dimensions (170×150) cm, on which maximum acceleration, pore-water pressure, and displacement were calculated. The Makhool dam is considered as a case study that is located on Tigris River in Iraq with total length 3670 m. The physical model was simulated using a scale of 1:400 that fit the dimensions of the container (100×50×60) cm and subjected the model to the Halabja earthquake, with a magnitude of 7.3 (Richter scale) according to the Iraq Meteorological Organization and Seismology. Three values of earthquake (0.04 g, 0.06 g, and 0.08 g) were used with a time of 10 seconds, and the parameters were calculated on two nodes on the physical model. Pore-water pressure increases with an increase in the value of the earthquake and is larger at the dam base than the dam crest. Additionally, the displacement can be increased, which weakens the dam soil and affects the stability of the dam. The value of x-acceleration will be reduced at the end of the earthquake, which means the input acceleration affects soil properties.

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“…In [18], a mathematical model is presented for determining the dynamic behavior of earth dams, taking into account the viscoelastic properties of soil, using the hereditary Boltzmann-Volterra theory with the A.R. Rzhanitsyn's kernel under periodic kinematic influences.…”

Section: Introductionmentioning

confidence: 99%

Propagation of longitudinal waves in a linear viscoelastic medium

Khamidov,

Loginov,

Akbarov

2023

E3S Web of Conf.

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The article is devoted to the study of longitudinal wave propagation in a viscoelastic medium. A mathematical model of the problem of a linear viscoelastic medium was developed. The solution to the considered problems is reduced to the solution of a system of differential equations solved by the method of characteristics with the appropriate boundary conditions. The results are compared with known results obtained by other authors; a comparison shows the adequacy of the task posed. It was determined that the maximum values of stress, strain, and velocity of particles in viscous media vary according to a non-linear law. In the initial section of the medium and near it, first, the stress reaches its maximum, and then the strain and velocity of particles reach their maximum values.

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Dynamic behavior of earth dams under different kinematic impacts

Cited by 12 publications

References 34 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

Physical Modeling of Seismic Response of Makhool Dam Subjected to the Halabja Earthquake

Propagation of longitudinal waves in a linear viscoelastic medium

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