Experimental Investigation of Hard Rock Breaking Using a Conical Pick Assisted by Abrasive Water Jet
Sign Up to like & getrecommendations! Published in 2020 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-020-02168-2
Abstract: Rock breaking using conical picks is a complex process affected by several factors; its performance is directly related to the excavation rate of rock tunnels, which is important in terms of the economic benefits and… read more here.
Keywords: water; rock breaking; conical pick; rock ... See more keywords
3D numerical modelling of rock fracture with a hybrid finite and cohesive element method
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2018.05.037
Abstract: Abstract To investigate the rock fracture, penetration force, and chip shape during rock breaking with a conical pick, a 3D numerical model was developed by inserting cohesive elements into finite elements. Mixed-mode cohesive traction response… read more here.
Keywords: fracture; method; conical pick; rock fracture ... See more keywords
Numerical simulation on interaction stress analysis of rock with conical picks
Sign Up to like & getrecommendations! Published in 2019 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2018.12.014
Abstract: Abstract A conical pick is an essential cutting tool used particularly on mining excavators. The cutting performance and wear of the pick directly affect the efficiency and cost of the rock/mine excavation. In this research,… read more here.
Keywords: conical pick; conical picks; pick; interaction ... See more keywords
Analyses and predictions of rock cuttabilities under different confining stresses and rock properties based on rock indentation tests by conical pick
Sign Up to like & getrecommendations! Published in 2021 at "Transactions of Nonferrous Metals Society of China"
DOI: 10.1016/s1003-6326(21)65615-7
Abstract: Abstract The rock indentation tests by a conical pick were conducted to investigate the rock cuttability correlated to confining stress conditions and rock strength. Based on the test results, the regression analyses, support vector machine… read more here.
Keywords: tests conical; rock indentation; indentation tests; rock ... See more keywords
The Volumetric Wear Assessment of a Mining Conical Pick Using the Photogrammetric Approach
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15165783
Abstract: The rapid wear of conical picks used in rock cutting heads in the mining industry has a significant economic impact in cost effectiveness for a given mineral extraction business. Any mining facility could benefit from… read more here.
Keywords: wear assessment; volumetric wear; mining; conical pick ... See more keywords