A review of the influence of blast fragmentation on downstream processing of metal ores
Rock fragmentation is one of the most commonly optimized blasting outcomes due to its
significant influence on the efficiency of downstream operations. This paper reviews the …
significant influence on the efficiency of downstream operations. This paper reviews the …
[HTML][HTML] Advances in blast-induced impact prediction—A review of machine learning applications
Rock fragmentation in mining and construction industries is widely achieved using drilling
and blasting technique. The technique remains the most effective and efficient means of …
and blasting technique. The technique remains the most effective and efficient means of …
Finite element analyses of constitutive models performance in the simulation of blast-induced rock cracks
This study analyzed the performance of the Riedel-Hiermaier-Thoma (RHT) model and the
Holmquist-Johnson-Cook (HJC) model in the numerical simulations of blast-induced cracks …
Holmquist-Johnson-Cook (HJC) model in the numerical simulations of blast-induced cracks …
Effect of confining pressure on damage accumulation of rock under repeated blast loading
In-situ stress has complex impacts on the blasting excavation of rock mass, but the effect of
confining pressure on the crack propagation under repeated blast loading is still unclear …
confining pressure on the crack propagation under repeated blast loading is still unclear …
Effects of in-situ stresses on the fracturing of rock by blasting
Blasting is widely applied in deep rock excavation. The effect of in-situ stresses on the
fracturing of rock due to blasting was investigated. A theoretical model was used to explain …
fracturing of rock due to blasting was investigated. A theoretical model was used to explain …
[HTML][HTML] Comparison of selected blasting constitutive models for reproducing the dynamic fragmentation of rock
Understanding the behavior of rock under blast-and shock-induced loadings requires a high-
fidelity constitutive model. The present paper provides a detailed comparison study of three …
fidelity constitutive model. The present paper provides a detailed comparison study of three …
Meso-and macroeffects of roof split blasting on the stability of gateroad surroundings in an innovative nonpillar mining method
Y Gao, Y Wang, J Yang, X Zhang, M He - Tunnelling and Underground …, 2019 - Elsevier
The 110 mining method, an emerging and innovative nonpillar longwall mining method, can
dramatically increase coal recovery rates and reduce entry accidents. One of the core …
dramatically increase coal recovery rates and reduce entry accidents. One of the core …
A study of innovative cut blasting for rock roadway excavation based on numerical simulation and field tests
H Zhang, T Li, S Wu, X Zhang, W Gao, Q Shi - Tunnelling and Underground …, 2022 - Elsevier
Drilling and blasting is a common excavation method in underground engineering. In
modern mine construction, improving the efficiency of rock roadway excavation is a …
modern mine construction, improving the efficiency of rock roadway excavation is a …
Effects of bedding planes on fracture behavior of sandstone under semi-circular bending test
D Huang, B Li, WZ Ma, DF Cen, YX Song - Theoretical and Applied …, 2020 - Elsevier
The mechanical behavior of layered rock is seriously influenced by the bedding planes that
have lower tensile strength and shear strength than rock matrix. We conducted experimental …
have lower tensile strength and shear strength than rock matrix. We conducted experimental …
Investigating the mechanism of rock fracturing induced by high-pressure gas blasting with a hybrid continuum-discontinuum method
To study the rock-breaking mechanism resulting from high-pressure gas blasting, a hybrid
continuum-discontinuum method considering the actual breakage of rocks was presented in …
continuum-discontinuum method considering the actual breakage of rocks was presented in …