A novel carbon dioxide phase transition rock breaking technology: theory and application of non-explosive blasting
Z Chen, Y Yuan, C Yan, W Wang, Z Qin - Processes, 2022 - mdpi.com
As a non-explosive low-disturbance rock breaking technology, carbon dioxide phase
transition blasting (CDPTB) is widely used in rock breaking projects such as pressure relief …
transition blasting (CDPTB) is widely used in rock breaking projects such as pressure relief …
Dynamic responses and damage mechanism of rock with discontinuity subjected to confining stresses and blasting loads
The propagation of seismic waves induced by blasting changes significantly at rock
discontinuities such as joints and faults, many studies have focused on the mechanism of …
discontinuities such as joints and faults, many studies have focused on the mechanism of …
Implementation of extrinsic cohesive zone model (ECZM) in 2D finite-discrete element method (FDEM) using node binding scheme
The combined finite-discrete element method (FDEM) has been widely used for rock
fracturing simulations. Conventionally, FDEM is realized using the intrinsic cohesive zone …
fracturing simulations. Conventionally, FDEM is realized using the intrinsic cohesive zone …
Modelling of gas-driven fracturing and fragmentation in liquid CO2 blasting using finite-discrete element method
The high-pressure gas combined with the action of the stress wave has a significant effect to
drive fractures and enhance fragmentation in CO 2 blasting. Modelling the whole process …
drive fractures and enhance fragmentation in CO 2 blasting. Modelling the whole process …
Numerical simulation of deflagration fracturing in shale gas reservoirs considering the effect of stress wave impact and gas drive
J Wang, T Guo, M Chen, Z Qu, X Liu, X Wang - International Journal of …, 2023 - Elsevier
Methane deflagration fracturing is a new reservoir stimulation method that serves the
efficient development of shale gas reservoirs. However, the propagation law of deflagration …
efficient development of shale gas reservoirs. However, the propagation law of deflagration …
Numerical study of the effects of loading parameters on high-energy gas fracture propagation in layered rocks with peridynamics
H Li, T Kang, R Zhang, X Zhang, X Liang, W Zhu… - Engineering Fracture …, 2024 - Elsevier
The objective of this study is to investigate the influence of loading parameters on the
propagation pattern of high-energy gas fractures in layered rock formations. To this end, a …
propagation pattern of high-energy gas fractures in layered rock formations. To this end, a …
[HTML][HTML] Investigation of a non-explosive directional roof cutting technology for self-formed roadway
Traditional explosives have characteristics of high risk, large vibration, and poor directional
fracturing. Consequently, an instantaneous expander with a single crack surface (IESCS) …
fracturing. Consequently, an instantaneous expander with a single crack surface (IESCS) …
Influence of material heterogeneity on the blast-induced crack initiation and propagation in brittle rock
S Wang, L Wang, Y Wang - Computers and Geotechnics, 2023 - Elsevier
In the paper, we propose a peridynamic model for brittle rock with heterogeneous micro-
modulus and heterogeneous critical stretch to investigate the influence of material …
modulus and heterogeneous critical stretch to investigate the influence of material …
[HTML][HTML] Modelling of fracture intensity increase due to interacting blast waves in three-dimensional granitic rocks
The complexity of the physics of rock blasting is a longstanding modelling challenge. This
work presents in detail a three-dimensional, material non-linear finite element based model …
work presents in detail a three-dimensional, material non-linear finite element based model …
Numerical study of the fracture propagation mechanism of staged methane deflagration fracturing for horizontal wells in shale gas reservoirs
W Jiwei, G Tiankui, C Ming, Q Zhanqing… - Geoenergy Science and …, 2023 - Elsevier
The staged methane deflagration fracturing of horizontal wells is a new reservoir stimulation
method serving the high-efficiency exploitation of shale gas reservoirs. To study the …
method serving the high-efficiency exploitation of shale gas reservoirs. To study the …