Challenges of rock drilling and opportunities from bio-boring

Y Zhao, S Dai - Biogeotechnics, 2023 - Elsevier
Drilling plays a significant role in the history of human civilization. The exploration of greater
depths, extreme environments, or hazardous areas calls for more energy-efficient and high …

Experimental and theoretical investigation of coupled damage of rock under combined disturbance

W Yao, J Yu, X Liu, Z Zhang, X Feng, Y Cai - International Journal of Rock …, 2023 - Elsevier
Cyclic loading and confining pressure unloading are two common types of disturbance
effects in rock engineering. In this study, a series of triaxial tests under combined …

Nano-scale mechanical properties of constituent minerals in shales investigated by combined nanoindentation statistical analyses and SEM-EDS-XRD techniques

Y Liu, A Liu, S Liu, Y Kang - International Journal of Rock Mechanics and …, 2022 - Elsevier
The mechanical properties of the constituent minerals in shale rock are fundamental to a
better knowledge of multi-scale shale behaviors. It benefits the engineering applications and …

[HTML][HTML] Combining atomic force microscopy and nanoindentation helps characterizing in-situ mechanical properties of organic matter in shale

J Wang, J Dziadkowiec, Y Liu, W Jiang, Y Zheng… - International Journal of …, 2024 - Elsevier
The quantification of mechanical properties of organic matter in shale is of significance for
the fine prediction and characterization of shale reservoir's mechanical properties. Due to …

Upscaling the creep behavior of clay-rich and quartz-rich shales from nanoindentation measurements: application to the Wufeng-Longmaxi shale, China

J Wang, Y Liu, C Yang, Y Zheng, W Jiang… - International Journal of …, 2023 - Elsevier
Creep of shale controls the stability of fault gouge in sedimentary rocks, aseismic
deformation in the upper crust, and several engineering operations, such as proppant …

Geomechanical properties of thinly interbedded rocks based on micro-and macro-scale measurements

R Cong, R Yang, G Li, Z Huang, Y Gong… - Rock Mechanics and …, 2023 - Springer
Clarifying the geomechanical properties and inherent heterogeneity of layered rocks is
essential for predicting fracture morphology and designing hydraulic fracturing pum** …

[HTML][HTML] Cross-scale mechanical softening of Marcellus shale induced by CO2-water–rock interactions using nanoindentation and accurate grain-based modeling

Y Liu, Q Liu, Z Wu, S Liu, Y Kang, X Tang - Underground Space, 2024 - Elsevier
Mechanical softening behaviors of shale in CO 2-water–rock interaction are critical for shale
gas exploitation and CO 2 sequestration. This work investigated the cross-scale mechanical …

Estimating the mechanical properties of rocks and rock masses based on mineral micromechanics testing

X Liu, D Xu, S Li, S Duan, H Xu, Q Jiang… - Rock Mechanics and Rock …, 2024 - Springer
Estimating the Mechanical Properties of Rocks and Rock Masses Based on Mineral
Micromechanics Testing | Rock Mechanics and Rock Engineering Skip to main content …

Macroscopic compressive strength study of historical grey bricks based on microscopic scale

J Yue, Y Lei, X Zhu, S Xu, M Yue - Construction and Building Materials, 2024 - Elsevier
Determining the macroscopic compressive strength of original grey bricks in historical
structures has become a crucial topic due to rules and legislation about the preservation of …

Micromechanical properties and homogenization of sandstone based on nanoindentation

Y Luo, S Zhang, Y Zhu, F Huang, Q Wu - Physics of Fluids, 2024 - pubs.aip.org
The composition and micromechanical properties of rock minerals have important effects on
its macroscopic mechanical performance. The composition, proportions, and morphology of …