Modelling the source of blasting for the numerical simulation of blast-induced ground vibrations: a review

D Ainalis, O Kaufmann, JP Tshibangu… - Rock mechanics and …, 2017 - Springer
The mining and construction industries have long been faced with considerable attention
and criticism in regard to the effects of blasting. The generation of ground vibrations is one of …

Reduction of fragment size from mining to mineral processing: a review

ZX Zhang, JA Sanchidrián, F Ouchterlony… - Rock Mechanics and …, 2023 - Springer
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 …

Effects of in-situ stresses on the fracturing of rock by blasting

C Yi, D Johansson, J Greberg - Computers and Geotechnics, 2018 - Elsevier
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 …

Stress initialization methods for dynamic numerical simulation of rock mass with high in-situ stress

J Yang, K Liu, X Li, Z Liu - Journal of Central South University, 2020 - Springer
In the context of deep rock engineering, the in-situ stress state is of major importance as it
plays an important role in rock dynamic response behavior. Thus, stress initialization …

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 …

Study of presplit blasting under high in-situ stress

X Li, K Liu, T Qiu, Y Sha, J Yang - Engineering Fracture Mechanics, 2023 - Elsevier
High in-situ stress generally results in difficulties in achieving crack interconnection in
presplit blasting, which can further arouse challenges related to construction cost and …

Stress wave superposition effect and crack initiation mechanism between two adjacent boreholes

C Ding, R Yang, C Feng - International Journal of Rock Mechanics and …, 2021 - Elsevier
In rock blasting, the effect that stress wave superposition between boreholes has on rock
fragmentation remains controversial. Here, we experimentally study the stress wave …

Numerical investigation of blast-induced rock fragmentation

J Tao, XG Yang, HT Li, JW Zhou, SC Qi… - Computers and …, 2020 - Elsevier
Optimum fragmentation of rocks during blasting is pivotal for the productivity of mining and
civil engineering systems. Extensive studies on the ubiquitous fragmentation phenomena in …

Numerical modelling of rock fragmentation under high in-situ stresses and short-delay blast loading

Z Hong, M Tao, M Zhao, J Zhou, H Yu, C Wu - Engineering Fracture …, 2023 - Elsevier
Since the invention of electronic detonators with a delay accuracy within 1 ms, short-delay
blasting technology has been used in mining and tunnelling engineering to improve rock …

Effects of in-situ stresses on dynamic rock responses under blast loading

J Tao, XG Yang, HT Li, JW Zhou, G Fan, GD Lu - Mechanics of Materials, 2020 - Elsevier
The depletion of shallow-buried reserves has been driving the exploitation activities into the
deeper crust, and the rising lithostatic stress thus poses substantial challenges to dynamic …