Rock-breaking mechanism and experimental analysis of confined blasting of borehole surrounding rock
International Journal of Mining Science and Technology, 2017 The rock-breaking mechanism and effect of confined blasting were analysed by blasting and impact dynamic mechanics, fluid dynamic mechanics, fracture mechanics as well as blasting experiment.
Liu Changyou, Yang Jingxuan, Yu Bin
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International Journal of Mining Science and Technology, 2023 Interlaid rock is an important component in the construction of neighborhood tunnels that supports and reinforces the area between two tunnels. However, the blasting load during excavation can sometimes damage the interlaid rock and threaten the ...
Xiaodong Wu +4 more
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Improvment of safety conditions of unstable rock slopes through the use of explosives [PDF]
, 2008 The paper discusses operations aimed at creating a safer natural or man made rock slope by artificially inducing the displacement of unstable elements by blasting.
Casale, M. +2 more
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Study on Numerical Simulation of Geometric Elements of Blasting Funnel Based on PFC5.0
Shock and Vibration, 2021 Based on the particle flow code (PFC2D) within the discrete element method (DEM), the rock mass model was established according to the site rock conditions and the rock mass blasting was simulated by the explosive particle expansion method. The influence
Wenle Gao +3 more
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Effect of geological structure and blasting practice in fly rock accident at Johor, Malaysia [PDF]
, 2016 Blasting operation is common method in hard rock excavation at civil engineering and mining sites. Rock blasting results in the fragmentation along with environmental hazards such as fly rock, ground vibration, air-blast, dust and fumes.
Armaghani, Danial Jahed +4 more
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Advances in Civil Engineering, 2021 Quantitatively analyzing multidirectional shaped charge blasting energy distribution and improving the rock-fracturing efficiency have been a challenging problem in blasting and civil engineering.
Dunwen Liu +4 more
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Method for calculation of drilling-and-blasting operations parameters for emulsion explosives [PDF]
, 2019 Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with application of emulsion explosives taking into account their energy characteristics as well as physical and mechanical ...
Khomenko, O +3 more
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Substantiating rational parameters of a method for shrinkage ore stoping while developing thin- vein steeply inclined deposits [PDF]
, 2018 Objective of the paper is to substantiate rational ore-stoping technique while using small wells in the context of thin-vein steeply inclined deposit mining.
Denyshchenko, Oleksandr +3 more
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Effect of blast induced rock fragmentation and muckpile angle on excavator performance in surface mines [PDF]
, 2019 Purpose. A fit excavator in a surface mine gives a trouble free production. To maintain the condition and safety of an excavator, proper sizes of rock fragmentation and muckpile parameters are crucial besides its maintenance.
Choudhary, B.S.
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Experimental study and application of medium‐length hole blasting technique in coal‐rock roadway
Energy Science & Engineering, 2020 In this study, mechanical mechanism analyses of hole cut blasting and in situ hole cut blasting tests using different cutting programs were conducted to investigate the hole cut blasting mechanism under the influence of complicated geological conditions ...
Ziwei Ding +5 more
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