A better understanding of the mechanics of borehole breakout utilizing a finite strain gradient-enhanced micropolar continuum model
Borehole breakout denotes the failure in rock mass subjected to drilling, caused by stress
concentrations exceeding the material strength. Depending on the material properties, the …
concentrations exceeding the material strength. Depending on the material properties, the …
[HTML][HTML] Modelling geomechanical stability of a large deep borehole in shale for radioactive waste disposal
Large diameter boreholes drilled to a depth of 1000–2000 m are currently investigated in
Australia as a potential solution for waste emplacement and long-term containment for long …
Australia as a potential solution for waste emplacement and long-term containment for long …
Analytical and Numerical Estimation of Fracture Initiation and Propagation Regions around Large-Diameter, Deep Boreholes for Disposal of Long-Lived Intermediate …
The safety of high-level radioactive waste disposal has been studied across the world
considering mined geologic repositories. Here, we introduce large-diameter, deep borehole …
considering mined geologic repositories. Here, we introduce large-diameter, deep borehole …
Data-driven modeling for stability evaluation of cylindrical boreholes with slurry in anisotropic and non-homogeneous clays
K Kounlavong, J Shiau, VB Chauhan… - Engineered …, 2023 - espublisher.com
Wet-bored pile construction is a commonly used technique by contractors for building bored
piles. This method involves the use of a special drilling fluid, known as bentonite slurry, to …
piles. This method involves the use of a special drilling fluid, known as bentonite slurry, to …
Instability of boreholes with slurry
S Keawsawasvong, J Shiau - International Journal of Geosynthetics and …, 2021 - Springer
Drilling slurry has been widely used in the construction of wet-processed borehole
excavation, and the stability of such an excavation is of great concern to engineers. In this …
excavation, and the stability of such an excavation is of great concern to engineers. In this …
Comparison of predicted failure area around the boreholes in the strike-slip faulting stress regime with Hoek-Brown and Fairhurst generalized criteria
A Lakirouhani, M Bahrehdar, J Medzvieckas… - Journal of Civil …, 2021 - ijspm.vgtu.lt
Breakout is a shear failure due to compression that forms around the borehole due to stress
concentration. In this paper, the breakout theory model is investigated by combining the …
concentration. In this paper, the breakout theory model is investigated by combining the …
[PDF][PDF] incorporating Trenchless Technology Research
Large diameter boreholes drilled to a depth of 1000–2000 m are currently investigated in
Australia as a potential solution for waste emplacement and long-term containment for long …
Australia as a potential solution for waste emplacement and long-term containment for long …
Experimental and numerical simulation investigation of the deformation characteristics of vertical boreholes under non-uniform horizontal principal stress
X Fang, S Ma, Y Wang, F Li - … and Geophysics for Geo-Energy and Geo …, 2024 - Springer
To study borehole deformation under non-uniform horizontal principal stress in the deep
strata, a prediction method for horizontal principal stress was developed based on the …
strata, a prediction method for horizontal principal stress was developed based on the …
[PDF][PDF] Analytical and Numerical Estimation of Fracture Initiation and Propagation Regions around Large-Diameter, Deep Boreholes for Disposal of Long-Lived …
The safety of high-level radioactive waste disposal has been studied across the world
considering mined geologic repositories. Here, we introduce large-diameter, deep borehole …
considering mined geologic repositories. Here, we introduce large-diameter, deep borehole …