Application of artificial neural network (ANN) for prediction and optimization of blast-induced impacts

AY Al-Bakri, M Sazid - Mining, 2021 - mdpi.com
Drilling and blasting remain the preferred technique used for rock mass breaking in mining
and construction projects compared to other methods from an economic and productivity …

Numerical investigation on rock fragmentation under decoupled charge blasting

X Li, K Liu, Y Sha, J Yang, R Song - Computers and Geotechnics, 2023 - Elsevier
Blasting using decoupled charge is extensively applied in rock excavation and rock
fragmentation. In this study, the rock fragmentation induced by blasting using decoupled …

Analysis of damage mechanisms and optimization of cut blasting design under high in-situ stresses

LX **e, WB Lu, QB Zhang, QH Jiang, M Chen… - … and Underground Space …, 2017 - Elsevier
During excavation using the cut blasting method in deep rock masses, there are difficulties
resulting from the in-situ stress influences. This study uses numerical simulation methods to …

Numerical study on the behavior of blasting in deep rock masses

X Li, Z Zhu, M Wang, D Wan, L Zhou, R Liu - Tunnelling and Underground …, 2021 - Elsevier
High in-situ stress can limit the generation of rock fractures induced by blasting, which
usually shows different states of rock fragmentation with those under low-stress conditions …

Damage evolution mechanisms of rock in deep tunnels induced by cut blasting

LX **e, WB Lu, QB Zhang, QH Jiang, GH Wang… - … and Underground Space …, 2016 - Elsevier
The method of cut blasting is widely used in tunnelling excavation, which concerns the
success in subsequent stop blasting and smooth blasting. Rock masses in deep tunnels are …

Experimental results of blast-induced cracking fractal characteristics and propagation behavior in deep rock mass

C Ding, R Yang, L Yang - International Journal of Rock Mechanics and …, 2021 - Elsevier
Herein, static stress is used to simulate high in-situ stress in a deep rock mass. The effect of
this stress on the fractal characteristics and propagation behavior of blast-induced cracking …

Numerical investigation into the blasting-induced damage characteristics of rocks considering the role of in-situ stresses and discontinuity persistence

LB Jayasinghe, J Shang, Z Zhao, ATC Goh - Computers and Geotechnics, 2019 - Elsevier
This paper presents a 3D coupled Smoothed Particle Hydrodynamics (SPH) and Finite
Element Method (FEM) model, which was developed to investigate the extent of damage …

Optimum spacing of TBM disc cutters: A numerical simulation using the three-dimensional dynamic fracturing method

JW Cho, S Jeon, SH Yu, SH Chang - Tunnelling and Underground Space …, 2010 - Elsevier
A series of numerical experiments was performed to simulate rock fragmentation by TBM
disc cutter. We used AUTODYN-3D to simulate three-dimensional dynamic failure observed …

Rock fracture mechanism of air-deck charge blasting considering the action effect of blasting gas

C Ding, R Yang, X Zhu, C Feng, J Zhou - Tunnelling and Underground …, 2023 - Elsevier
This paper primarily focuses on examining the impact of blasting gas, studying the rock
fracture mechanism of air-deck charge blasting, and analyzing the evolutionary …

Combined finite-discrete element modelling of rock fracture and fragmentation induced by contour blasting during tunnelling with high horizontal in-situ stress

H Han, D Fukuda, H Liu, EF Salmi, E Sellers… - International Journal of …, 2020 - Elsevier
A combined finite-discrete element method (FDEM) parallelized on the basis of GPGPU is
implemented to model the rock fracture and fragmentation process and the resultant …