[HTML][HTML] Dynamic mechanical properties and wave propagation of composite rock-mortar specimens based on SHPB tests

Z Han, D Li, X Li - International Journal of Mining Science and …, 2022 - Elsevier
Filled inclusions in rock discontinuities play a key role in the mechanical characteristics of
the rock and thereby influence the stability of rock engineering. In this study, a series of …

Fracturing and energy evolution of rock around prefabricated rectangular and circular tunnels under shearing load: A comparative analysis

J **n, Q Jiang, S Li, P Chen, H Zhao - Rock Mechanics and Rock …, 2023 - Springer
Mechanical behavior and energy evolution of rock around the tunnel are critical for
evaluating the instability of geotechnical engineering. To reveal the influence of tunnel …

Experimental investigation on the nonlinear characteristics of energy evolution and failure characteristics of coal under different gas pressures

Y Xue, J Liu, PG Ranjith, Z Zhang, F Gao… - Bulletin of Engineering …, 2022 - Springer
Studying the energy evolution characteristics of coal in a deep underground engineering
environment will help people to understand the evolution process and induced mechanism …

Effects of axial pre-force and loading rate on Mode I fracture behavior of granite

Z Han, D Li, X Li - International Journal of Rock Mechanics and Mining …, 2022 - Elsevier
Coupled static-dynamic tests were carried out on notched semi-circular bend (NSCB)
granitic specimens using a modified split Hopkinson pressure bar (SHPB) device, to …

Water saturation effects on dynamic behavior and microstructure damage of sandstone: phenomena and mechanisms

X Cai, Z Zhou, H Zang, Z Song - Engineering Geology, 2020 - Elsevier
Underground rock structures are frequently subjected to water erosion and dynamic
disturbance simultaneously. Herein, in order to study the coupled effects of water and high …

Initiation and propagation of a single internal 3D crack in brittle material under dynamic loads

Z Han, J Li, H Wang, J Zhao - Engineering Fracture Mechanics, 2023 - Elsevier
Different defects are widely distributed inside natural rock masses, and the development of
these defects poses a potentially severe threat to the entire structural stability and safety …

Mechanical properties of expansive slurry fractured rock mass composites in the direct shear experiment

W Zhang, N Yao, B Luo, Y Ye, F Oppong - Construction and Building …, 2023 - Elsevier
To study the differences in the mechanical properties and the strength variation of the
expansive slurry-fractured rock mass composites (ESFC) with different slurry thicknesses …

Cracking mechanism and strength criteria evaluation of granite affected by intermediate principal stresses subjected to unloading stress state

F Feng, S Chen, Y Wang, W Huang, Z Han - International Journal of Rock …, 2021 - Elsevier
Extensive true-triaxial unloading tests are conducted on rectangular Miluo granite
specimens to investigate their crack propagation behavior and peak unloading strength …

Fracture behavior and damage mechanisms of sandstone subjected to wetting-drying cycles

X Cai, Z Zhou, L Tan, H Zang, Z Song - Engineering Fracture Mechanics, 2020 - Elsevier
Rocks are usually subjected to cyclic wetting-drying due to the periodical changes in moist
condition. To investigate the effect of wetting-drying cycles on the fracture behavior of …

Novel ensemble intelligence methodologies for rockburst assessment in complex and variable environments

D Li, Z Liu, DJ Armaghani, P **ao, J Zhou - Scientific reports, 2022 - nature.com
Rockburst is a severe geological hazard that restricts deep mine operations and tunnel
constructions. To overcome the shortcomings of widely used algorithms in rockburst …