Slope Stability of Tailing Dam Under Seismic Excitation

Sahoo, Pragyan Pradatta; Shukla, Sanjay Kumar; Mohyeddin, Alireza

doi:10.1007/978-3-319-95792-0_7

Cited by 2 publications

(2 citation statements)

References 6 publications

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“…As a matter of fact, dams serve the basic aim of preserving water, while other structures like floodgates or levees (also known as dikes) are utilized to control or direct water stream into particular land areas. Although of all the benefits that could be obtained from dams' construction, but on the other hand, it may be caused a catastrophic flood when they fail [1]. Therefore, the monitoring of dam safety is considering the most significant issue that should be focused by the engineers and decision makers.…”

Section: Introductionmentioning

confidence: 99%

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Stability Assessment of Zoned Earth Dam under Water Particles Fluidity Effect: Hemren Dam as Case Study

Sammen

Majeed

2021

ARFMTS

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Recently the numerical modeling using finite element method is take into account as a very effective tool to investigate the desired behavior of structures in geotechnical engineering. Earth dams are a water retention structures that are normally wide constructed around the world due to its significant features. These structures may be failed due to exposure to an earthquake and this will result in disaster. The main objective of this study is to assess the slope stability and the seismic response of an earthen dam. Since the matter of seismic response is still have a considerable lack of information for earth dams as a unique structure. Hemren zoned earth dam that is located in Diyala governorate, northeast of Iraq that considered as an active seismic zone has been considered as case study. Numerical modeling has been done in this study using Geo studio software. Factor of safety was calculated with different water levels in order to evaluate the dam safety with different operation water level. The excited earthquake is Elcentro while three values of peak ground acceleration were used which are 0.2, 0.25 and 0.3 g and the duration time is scaled to 10 seconds. In addition, three key points (at the core, the shell and the foundation) that represent the dam construction material are used to evaluate the dynamic response within the dam body. The results revealed that the factor of safety is increased when the water level is increase, but in the increasing in the magnitude of factor of safety with water depths of (10 and 15) m was more than the other depth. The zone of the dam core shows a negative pore water pressure value. That leads to an increasing in effective stress at the core of the dam.

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Section: Introductionmentioning

confidence: 99%

“…The stability of the slope was assessed initially by taking into account the finite element stress analysis. The impact of factor of safety of tailing dam due to effect of both horizontal and vertical seismic loads were investigated by introduced a staged pseudo-static analysis [1].…”

Section: Introductionmentioning

confidence: 99%

Stability Assessment of Zoned Earth Dam under Water Particles Fluidity Effect: Hemren Dam as Case Study

Sammen

Majeed

2021

ARFMTS

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Analysis of Liquefaction in Tailings Deposits by Fem Modeling of Undrained Cyclic Triaxial

Reyes,

Bravo,

Gallardo-Sepúlveda

et al. 2024

Minerals

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In this article, a numerical calibration procedure for undrained cyclic triaxial tests is presented to evaluate the liquefaction potential in sand and silt samples from mining tailings in northern Chile. The numerical modeling of an axisymmetric specimen involved two stages: isotropic consolidation using the Hardening Soil Small (HSS) model and a cycling phase employing the UBC3D-PLM model to simulate the onset of liquefaction using the criterion that the excess pore pressure ratio Ru should exceed 0.8. The results demonstrate that the UBC3D-PLM modeling calibrated with experimental data from cyclic triaxial tests effectively represents the excess pore pressure in both sandy and silty soils from mining tailings. The accuracy of the modeling decreases when a single set of parameters is applied to the same soil at different cyclic stress ratios (CSR), highlighting the need for specific calibrations for each loading.

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Slope Stability of Tailing Dam Under Seismic Excitation

Cited by 2 publications

References 6 publications

Stability Assessment of Zoned Earth Dam under Water Particles Fluidity Effect: Hemren Dam as Case Study

Stability Assessment of Zoned Earth Dam under Water Particles Fluidity Effect: Hemren Dam as Case Study

Analysis of Liquefaction in Tailings Deposits by Fem Modeling of Undrained Cyclic Triaxial

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