Experimental test and numerical simulation of the effect of brittleness on the microfracturing of sandstone

Noori, Mehran; Khanlari, Gholamreza; Sarfarazi, Vahab; Rafiei, Behrouz; Nejati, Hamid Reza; Schubert, Wulf

doi:10.1007/s10064-022-02776-y

Cited by 9 publications

(1 citation statement)

References 45 publications

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“…Material damage is an important content in the modern solid mechanic analysis. [55][56][57] In this work, a damage history-dependent scalar function φ is used to define the particle damage state as follows:…”

Section: Thermo-hydro-mechanical Coupling Control Equation In Gpd Modelmentioning

confidence: 99%

The nonlocal thermo‐hydro‐mechanical model for cracking behaviors of quasi‐brittle materials in the framework of advanced general particle dynamics

Zhou

Yao

et al. 2023

Fatigue Fract Eng Mat Struct

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A novel nonlocal thermo-hydro-mechanical coupling model is proposed to investigate cracking behaviors of quasi-brittle materials in the framework of advanced general particle dynamics (GPD). The nonlocal thermal conduction equation and the nonlocal flow diffusion equation are derived based on nonlocal vector calculus and the microscopic constitutive equation. Moreover, the coupling influences are considered based on the nonlocal equation and the coupling principle. The governing equation of the coupling system is established in the framework of GPD. The correctness of the proposed model is verified through comparing with the corresponding experimental data, and the numerical results are in good agreement with experimental results. Finally, the proposed model is applied to analyze the deformation and cracking behaviors of rock mass around tunnels, and the stress redistribution is revealed under thermo-hydro-mechanical coupling condition. K E Y W O R D S advanced general particle dynamics, cracking and mechanical behaviors of rock-like materials, nonlocal thermo-hydro-mechanical coupling model, nonlocal vector calculus Highlights • A novel nonlocal thermo-hydro-mechanical coupling model is proposed to investigate the cracking behaviors of rocks. • The nonlocal thermal conduction equation and the nonlocal flow diffusion equation are derived. • The governing equation of the coupling system is established in the framework of advanced general particle dynamics.

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Section: Thermo-hydro-mechanical Coupling Control Equation In Gpd Modelmentioning

confidence: 99%

The nonlocal thermo‐hydro‐mechanical model for cracking behaviors of quasi‐brittle materials in the framework of advanced general particle dynamics

Zhou

Yao

et al. 2023

Fatigue Fract Eng Mat Struct

View full text Add to dashboard Cite

show abstract

Assessment method for determining rock brittleness based on statistical damage constitutive relations

Chen,

Cudmani,

Peña

2024

Geomechanics for Energy and the Environment

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A review of test methods for uniaxial compressive strength of rocks: Theory, apparatus and data processing

Xie,

Liu,

Zhang

et al. 2024

Journal of Rock Mechanics and Geotechnical Engineering

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Experimental test and numerical simulation of the effect of brittleness on the microfracturing of sandstone

Cited by 9 publications

References 45 publications

The nonlocal thermo‐hydro‐mechanical model for cracking behaviors of quasi‐brittle materials in the framework of advanced general particle dynamics

The nonlocal thermo‐hydro‐mechanical model for cracking behaviors of quasi‐brittle materials in the framework of advanced general particle dynamics

Assessment method for determining rock brittleness based on statistical damage constitutive relations

A review of test methods for uniaxial compressive strength of rocks: Theory, apparatus and data processing

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