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 …

Dynamic responses and damage mechanism of rock with discontinuity subjected to confining stresses and blasting loads

X Jiang, Y Xue, F Kong, H Gong, Y Fu… - International Journal of …, 2023 - Elsevier
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 …

Implementation of extrinsic cohesive zone model (ECZM) in 2D finite-discrete element method (FDEM) using node binding scheme

W Cai, K Gao, S Ai, M Wang, YT Feng - Computers and Geotechnics, 2023 - Elsevier
The combined finite-discrete element method (FDEM) has been widely used for rock
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

B Wang, H Li, H **ng, X Li - Engineering Analysis with Boundary Elements, 2022 - Elsevier
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 …

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 …

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 …

[HTML][HTML] Investigation of a non-explosive directional roof cutting technology for self-formed roadway

Q Zhang, M He, J Wang, S Guo, C Zhu, Z Tao… - International Journal of …, 2022 - Elsevier
Traditional explosives have characteristics of high risk, large vibration, and poor directional
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 …

[HTML][HTML] Modelling of fracture intensity increase due to interacting blast waves in three-dimensional granitic rocks

R Bird, A Paluszny, RN Thomas… - International Journal of …, 2023 - Elsevier
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 …

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 …