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

WQ Xie, XL Liu, XP Zhang, QS Liu, EZ Wang - Journal of Rock Mechanics …, 2024 - Elsevier
The uniaxial compressive strength (UCS) of rocks is a vital geomechanical parameter widely
used for rock mass classification, stability analysis, and engineering design in rock …

Quantification of artificially induced microcracks and their effects on hard rock fragmentation performance and mechanical response characteristics

J Li, J Peng, D Ge, Y Li - Geoenergy Science and Engineering, 2024 - Elsevier
Microcracks have a significant effect on the physical and mechanical properties of rocks.
Inducing artificial microcracks in rocks can reduce rock strength and decrease the energy …

Research on the penetration coefficient during the rock drilling process by cyclic impact

J Li, Y Liu, L Wang, Y Sun, X Li, J Wang - Rock Mechanics and Rock …, 2024 - Springer
The penetration coefficient can represent the relationship between force and depth in the
rock drilling process, but its understanding is limited. Therefore, based on the rock drilling …

Dynamic mechanical properties and fractal characteristics of red sandstone under acid corrosion

W Liu, Y Liu, C Wang, M Zhai - Environmental Earth Sciences, 2024 - Springer
This study investigates the dynamic mechanical properties of red sandstone under normal
and acidic conditions with varying pH levels using the Split Hopkinson Pressure Bar (SHPB) …

Experimental study on mechanical and acoustic emission characteristics of sedimentary sandstone under different loading rates

N Li, Q Feng, W Yue, S Sun, Y Li, G Li… - Frontiers in Earth …, 2023 - frontiersin.org
In the field of rock engineering, complexity of stress environment is an important factor
affecting its stability. Thus, in view of fracture mechanism of rock under different loading rates …

Statistical analysis of thermally induced pre-existing microcracks and their influence on fracture behaviours of granite rock

Y Li, J Li, PG Ranjith, Y Luo, X Zhang, Q Yin - Theoretical and Applied …, 2024 - Elsevier
Rocks containing varying degrees of microcracks have a significant influence on their
mechanical behavior. Understanding the effect of pre-existing microcracks (PEMs) on rock …

Effect of artificially induced microcracks near the rock surface on granite fragmentation performance under heating treatment

Y Li, J Li, J Peng, D Ge, K Bo - International Journal of Rock Mechanics and …, 2024 - Elsevier
Various novel assisted drilling technologies enhance rock fragmentation performance by
introducing microcracks on the rock surface to weaken rock strength. However, the …

Numerical Simulation and Experimental Study on Rock Fragmentation and Crack Propagation Characteristics with Hole Enlargement Under Impact Load

C Zhang, Y Zhao, K Gao, Z Liu, J Qin, X Lv - Rock Mechanics and Rock …, 2024 - Springer
The cluster down-the-hole hammer reverse-circulation drilling technology is an attractive
approach for achieving a high rate of penetration (ROP) through the" small hole drilling …