Reduction of fragment size from mining to mineral processing: a review
The worldwide mining industry consumes a vast amount of energy in reduction of fragment
size from mining to mineral processing with an extremely low-energy efficiency, particularly …
size from mining to mineral processing with an extremely low-energy efficiency, particularly …
Numerical study on blast-induced fragmentation in deep rock mass
X Li, K Liu, J Yang, R Song - International Journal of Impact Engineering, 2022 - Elsevier
As drilling and blasting technique is applied in deep mining, its practical performance with
respect to rock fragmentation becomes a serious concern because high in-situ stress …
respect to rock fragmentation becomes a serious concern because high in-situ stress …
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 …
fragmentation. In this study, the rock fragmentation induced by blasting using decoupled …
[HTML][HTML] Experimental and numerical studies of the blast-induced overbreak and underbreak in underground roadways
Overbreak and underbreak are the crucial problems during the blasting excavation of
underground tunnels owing to their effects on the construction costs and operational safety …
underground tunnels owing to their effects on the construction costs and operational safety …
[HTML][HTML] Comparison of selected blasting constitutive models for reproducing the dynamic fragmentation of rock
M Kucewicz, P Baranowski, Ł Mazurkiewicz… - International Journal of …, 2023 - Elsevier
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 …
[PDF][PDF] Numerical modelling of destress blasting–a state-of-the-art review
S Miao, P Konicek, PZ Pan, H Mitri - Journal of Sustainable …, 2022 - bibliotekanauki.pl
As a proactive mine safety measure against the occurrence of rockburst, destress blasting
has been applied to numerous mining conditions to precondition highly stressed rock mass …
has been applied to numerous mining conditions to precondition highly stressed rock mass …
Rock damage control for large-diameter-hole lateral blasting excavation based on charge structure optimization
Controlling rock damage induced by lateral blasting excavation is a source of concern. In
underground mines, large-diameter-hole lateral blasting excavation often causes …
underground mines, large-diameter-hole lateral blasting excavation often causes …
The effect of stress wave interaction and delay timing on blast-induced rock damage and fragmentation
A Saadatmand Hashemi, P Katsabanis - Rock mechanics and rock …, 2020 - Springer
Rock fragmentation by blasting is the most efficient way of rock breakage in hard rock mining
applications. Fragmentation, as well as the properties of the fragments generated by the …
applications. Fragmentation, as well as the properties of the fragments generated by the …
Attenuation characteristics of shock waves in drilling and blasting based on viscoelastic wave theory
This study investigates the propagation and attenuation characteristics of shock waves
produced by drilling and blasting. The focus is on a novel method for calculating the …
produced by drilling and blasting. The focus is on a novel method for calculating the …
Cracking behavior of brittle materials under eccentric decoupled charge blasting
The decoupled charge structure is often used in controlled blasting. However, in actual
engineering scenarios, boreholes are typically horizontal or inclined. The explosive is close …
engineering scenarios, boreholes are typically horizontal or inclined. The explosive is close …