Model test and numerical simulation on the dynamic stability of the bedding rock slope under frequent microseisms

Z Deng, X Liu, Y Liu, S Liu, Y Han, J Liu… - … and Engineering Vibration, 2020 - Springer
Shake table testing was performed to investigate the dynamic stability of a mid-dip bedding
rock slope under frequent earthquakes. Then, numerical modelling was established to …

A coupled finite difference-boundary element method for modeling the propagation of explosion-induced radial cracks around a wellbore

M Lak, MF Marji, AY Bafghi, A Abdollahipour - Journal of Natural Gas …, 2019 - Elsevier
Well stimulation methods such as hydraulic fracturing are often utilized in order to increase
the productivity index and permeability of the reservoir's rock. On the other hand, explosion …

Numerical modeling of the fractured zones around a blasthole

AR Hajibagherpour, H Mansouri… - Computers and …, 2020 - Elsevier
The high-energy rate of shock waves, as an important part of explosion energy, plays a
significant role in the mechanism of rock fragmentation. This energy rate and the mechanism …

Numerical determination of deformability and strength of 3D fractured rock mass

M Laghaei, A Baghbanan, H Hashemolhosseini… - International journal of …, 2018 - Elsevier
We used a systematic numerical method to determine deformability and strength parameters
of a fractured rock mass with irregular and stochastic fracture systems in 3D. In this case …

Analytical and numerical modeling of rock blasting operations using a two-dimensional elasto-dynamic Green's function

M Lak, MF Marji, AY Bafghi, A Abdollahipour - International Journal of Rock …, 2019 - Elsevier
Rock media may be exposed to dynamic forces and time-dependent stresses. Dynamic
phenomena in rock such as blasting and earthquakes need to propagate waves and …

Discrete element modeling of explosion-induced fracture extension in jointed rock masses

M Lak, M Fatehi Marji… - Journal of Mining …, 2019 - jme.shahroodut.ac.ir
The explosion process of explosives in a borehole applies a very high pressure on its
surrounding rock media. This process can initiate and propagate rock fractures, and finally …

A coupled hydro-mechanical non-ordinary state-based peridynamics for the fissured porous rocks

Y Shou, X Zhou - Engineering Analysis with Boundary Elements, 2021 - Elsevier
A novel coupled hydro-mechanical non-ordinary state-based peridynamics is proposed to
investigate hydro-mechanical problems in fissured porous rocks. The hydraulic bond is …

A mathematical model for parameter setting in discrete element numerical simulation

S Qin, H Lin, S Yang, Z Wei - International Journal of Coal Science & …, 2023 - Springer
To rationalize the setting of joint parameters, model size, and initial value of vertical stress in
simulation of mining of steeply inclined coal seams, a fault tree analysis method of discrete …

Seismic dynamic response characteristics and failure mechanisms of an accumulation body slope

Y Xinglong, D Jinyu, L Handong, B Shuokang - Natural Hazards, 2024 - Springer
In order to study the dynamic characteristics and destabilisation damage mode of the
accumulation body slope under the action of ground vibration, and to provide theoretical …

Seismic performance and failure mechanism of interbedded slopes with steep rock layers

L Li, N Ju, D Sheng - Engineering Geology, 2023 - Elsevier
Numerous interbedded rock (IR) slopes fail during the Wenchuan earthquake in the
mountainous region of western China. Landslides are also triggered in IR slopes with a 60° …