Grain-based discrete element method (GB-DEM) modelling of multi-scale fracturing in rocks under dynamic loading
This study aims to explore dynamic behaviours of fracturing and damage evolution of rock
materials at the grain scale. A grain-based discrete element method (GB-DEM) is proposed …
materials at the grain scale. A grain-based discrete element method (GB-DEM) is proposed …
Experimental investigation on dynamic strength and energy dissipation characteristics of gas outburst‐prone coal
We report laboratory experiments to investigate the dynamic failure characteristics of
outburst‐prone coal using a split Hopkinson pressure bar (SHPB). For comparison, two …
outburst‐prone coal using a split Hopkinson pressure bar (SHPB). For comparison, two …
Experimental research on the dynamic mechanical properties and damage characteristics of lightweight foamed concrete under impact loading
S Feng, Y Zhou, Y Wang, M Lei - International Journal of Impact …, 2020 - Elsevier
As an energy-saving and environmentally friendly building material, foamed concrete has
been widely applied for construction against impact loading. To investigate the dynamic …
been widely applied for construction against impact loading. To investigate the dynamic …
[HTML][HTML] Rate-dependent mechanical behavior of jointed rock with an impersistent joint under different infill conditions
Transition in the rate-dependent mechanical response of rock was investigated due to the
presence of impersistent joint with different infill conditions. Four types of samples, ie intact …
presence of impersistent joint with different infill conditions. Four types of samples, ie intact …
Dynamic mechanical property deterioration model of sandstone caused by freeze–thaw weathering
B Ke, K Zhou, C Xu, H Deng, J Li, F Bin - Rock Mechanics and Rock …, 2018 - Springer
In cold climate regions, rock engineering structures are subjected to repeated processes of
freeze–thaw weathering and consequently the integrity of these structures will gradually …
freeze–thaw weathering and consequently the integrity of these structures will gradually …
A multifrequency ultrasonic approach to extracting static modulus and damage characteristics of rock
Understanding the mechanical behavior of rock is a fundamental requirement for many
geological explorations. Based on the frequency dependence of primary and shear wave …
geological explorations. Based on the frequency dependence of primary and shear wave …
[HTML][HTML] Experimental research on the dynamic constringent characteristics and fractal properties of sandstone under impact loading
Z Zhao, J Xue, J Jin, L Tan, W Xia, R Cai - Case Studies in Construction …, 2023 - Elsevier
Abstract Using the Split Hopkinson Pressure Bar (SHPB), a sequence of impact loading
experiments were performed on sandstone to examine the dynamic constringent …
experiments were performed on sandstone to examine the dynamic constringent …
Dynamic mechanical behaviour of rock-like materials with a flaw under different orientation and infill conditions
The effect of flaw inclination angle on the mechanical behaviour of rock-like specimens
containing a pre-existing flaw under different infill conditions is investigated under dynamic …
containing a pre-existing flaw under different infill conditions is investigated under dynamic …
Effect of loading characteristics and specimen size in split Hopkinson pressure bar test on high-rate behavior of phyllite
Split Hopkinson pressure bar (SHPB) tests are performed on Himalayan phyllite rock with
five different specimen sizes and with different gas gun pressures and striker bar lengths of …
five different specimen sizes and with different gas gun pressures and striker bar lengths of …
Dynamic behavior of ungrouted and grouted rocks of different morphologies containing a flaw subjected to different thermal treatments
Rocks containing flaws around rock structures are often subjected to complex temperatures
and geological conditions. This study investigates the mechanical behavior of heat-treated …
and geological conditions. This study investigates the mechanical behavior of heat-treated …