Estimation of damage induced by single-hole rock blasting: A review on analytical, numerical, and experimental solutions

M Shadabfar, C Gokdemir, M Zhou, H Kordestani… - Energies, 2020 - mdpi.com
This paper presents a review of the existing models for the estimation of explosion-induced
crushed and cracked zones. The control of these zones is of utmost importance in the rock …

Hybrid finite-discrete element modelling of dynamic fracture and resultant fragment casting and muck-piling by rock blast

HM An, HY Liu, H Han, X Zheng, XG Wang - Computers and Geotechnics, 2017 - Elsevier
A state-of-the-art review is conducted to highlight the fracture mechanism in rock blast and
advantages and limitations of various methods in modelling it. A hybrid finite-discrete …

Space-time effect of blasting stress wave and blasting gas on rock fracture based on a cavity charge structure

C Ding, R Yang, C Chen, X Zhu, C Feng… - International Journal of …, 2022 - Elsevier
There are still varying opinions on the relative spatio-temporal contributions of blasting
stress wave and blasting gas in the theoretical study of rock blasting due to the transient …

Model experiment on dynamic behavior of jointed rock mass under blasting at high-stress conditions

R Yang, C Ding, L Yang, C Chen - Tunnelling and Underground Space …, 2018 - Elsevier
The blasting response of jointed rock mass under high-stress conditions is studied in a
laboratory experiment using model specimens. The crack initiation mode and initiation angle …

Research on the influence of parallel joints on the extension length and morphology of blasting cracks

Y Shen, B Lin, T Liu, M Lin, T Liu, W Yang, F Lin… - Computers and …, 2024 - Elsevier
Natural defects such as joints, pores, and cracks in rocks seriously threaten the stability of
rock blasting engineering. At present, how parallel joints direct and suppress blasting cracks …

Three-dimensional finite element simulation and reconstruction of jointed rock masses for bench blasting

X Huo, Y Jiang, W Wei, X Qiu, Z Yu, J Nong… - … Modelling Practice and …, 2024 - Elsevier
During the numerical simulation of blasting in jointed rock masses, the accuracy of joint
geometric parameters is one of the key factors affecting the numerical results. To facilitate …

Visualizing the blast-induced stress wave and blasting gas action effects using digital image correlation

R Yang, C Ding, L Yang, Z Lei, Z Zhang… - International Journal of …, 2018 - Elsevier
Rock blasting fragmentation is a result of the combined action of a blast-induced stress wave
and the blasting gas. Incorporating high-speed camera technology, an experimental system …

Numerical simulations of rock blasting damage based on laboratory-scale experiments

J Wang, Y Yin, K Esmaieli - Journal of Geophysics and …, 2018 - academic.oup.com
In order to study the damage induced by rock blasting, a numerical simulation method based
on the Johnson–Holmquist II (JH-2) damage model combined with the arbitrary Lagrangian …

Discrete element modeling of explosion-induced fracture extension in jointed rock masses

M Lak, M Fatehi Marji… - Journal of Mining …, 2019 - jme.shahroodut.ac.ir
The explosion process of explosives in a borehole applies a very high pressure on its
surrounding rock media. This process can initiate and propagate rock fractures, and finally …

Explosive stress wave propagation and fracture characteristics of rock-like materials with weak filling defects

F Zhang, L Yang, D Man, N Liu, P Wei, Z Sui… - Engineering Fracture …, 2024 - Elsevier
Filling-type defects have a non-negligible effect on the propagation of explosive stress
waves in rock. Combined with the new dynamic caustics experimental system and …