A novel creep contact model for rock and its implement in discrete element simulation

Zhang, Wengang; Lin, Sicheng; Wang, Luqi; Wang, Lin; Jiang, Xiang; Wang, Shuo

doi:10.1016/j.compgeo.2023.106054

Computers and Geotechnics

2024

DOI: 10.1016/j.compgeo.2023.106054

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A novel creep contact model for rock and its implement in discrete element simulation

Wengang Zhang,

Sicheng Lin,

Luqi Wang

et al.

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2024

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Cited by 11 publications

References 42 publications

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Slope stability analysis with a hypoplastic constitutive model: Investigating a stochastic anisotropy model and a hydro‐mechanical coupled simulation

Xue,

Miao,

Wang

et al. 2024

Num Anal Meth Geomechanics

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A reliable constitutive model is essential for accurately predicting slope deformation in numerical analysis, which includes assessing slope stability as an integral component. However, calculating slope stability in numerical models can be challenging due to complex boundary conditions and advanced constitutive models, especially when probabilistic and hydro‐mechanical coupled simulations are required. In this paper, we use a vector‐sum method‐based framework for slope stability analysis that incorporates a critical state hypoplastic constitutive model. The rationality and accuracy of the stability results are initially verified through critical slip surface analysis and a factor of safety evaluation. Subsequently, we investigate the probability‐based slope stability and failure characteristics by incorporating the spatial variability of strength parameters into the hypoplastic model. Finally, the Baishuihe landslide in the Three Gorges Reservoir Region is examined as a case study, where hydro‐mechanical coupled simulations are conducted under actual water level and rainfall conditions. The time‐varying stability and deformation characteristics of the landslide are analyzed and compared with the results obtained from the Mohr‐Coulomb model. The analysis results demonstrate the practicality and efficiency of using a hypoplastic model for probabilistic and time‐varying slope stability calculations. Furthermore, it highlights the superior ability of the hypoplastic model to accurately describe reservoir landslide deformation processes.

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Slope stability analysis with a hypoplastic constitutive model: Investigating a stochastic anisotropy model and a hydro‐mechanical coupled simulation

Xue,

Miao,

Wang

et al. 2024

Num Anal Meth Geomechanics

View full text Add to dashboard Cite

show abstract

An artificial intelligence optimization method of back analysis of unsteady-steady seepage field for the dam site under complex geological condition

Yu,

Shen,

et al. 2024

Bull Eng Geol Environ

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Deterministic and probabilistic analysis of a multi-sliding zone reservoir bank landslide influenced by the combined effects of reservoir water level fluctuation and precipitation

Zhang,

He,

Wang

et al. 2024

Bull Eng Geol Environ

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A novel creep contact model for rock and its implement in discrete element simulation

Cited by 11 publications

References 42 publications

Slope stability analysis with a hypoplastic constitutive model: Investigating a stochastic anisotropy model and a hydro‐mechanical coupled simulation

Slope stability analysis with a hypoplastic constitutive model: Investigating a stochastic anisotropy model and a hydro‐mechanical coupled simulation

An artificial intelligence optimization method of back analysis of unsteady-steady seepage field for the dam site under complex geological condition

Deterministic and probabilistic analysis of a multi-sliding zone reservoir bank landslide influenced by the combined effects of reservoir water level fluctuation and precipitation

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