Volume 15 (2024)
Volume 14 (2023)
Volume 13 (2022)
Volume 12 (2021)
Volume 11 (2020)
Volume 10 (2019)
Volume 9 (2018)
Volume 8 (2017)
Volume 7 (2016)
Volume 6 (2015)
Volume 5 (2014)
Volume 4 (2013)
Volume 3 (2012)
Volume 2 (2011)
Volume 1 (2010)
Determination of Mechanical Parameters of Anthracite Coal using Flying Squirrel Search Algorithm with Timber Load and Displacement Data

Myong Nam Sin; Un Chol Han; Hyon Hyok Ri; Sung Il Jon

Volume 15, Issue 1 , January 2024, , Pages 21-40


  Anthracite coal seam of Democratic People’s Republic of Korea was broken into particles to be soft due to geological tectonic actions through several stages in the Mesozoic era. Because the folds and faults have excessively developed and the shape of coal seam is very complicated, it is impossible ...  Read More

Mineral Processing
Simulation of Pyrrhotite Removal from Scheelite Ore by Magnetic Force in Table Concentration

Chol Ung Ryom; Kwang Hyok Pak; Il Chol Sin; Kwang Chol So; Un Chol Han

Volume 14, Issue 4 , October 2023, , Pages 1219-1237


  Scheelite ore with heavy and magnetic minerals can be generally concentrated using shaking table centered gravity-magnetic processing. When magnetic field is formed by fixing magnetic bars on which permanent magnets are arranged at a constant interval, above the table desk, heavy scheelite particles ...  Read More

Platform Motion at Lower Loading Station in Trucklift Slope Hoisting System with Varying Profile of Track

Kwang Hyok Kim; Tok Hyong Han; Un Chol Han; Ryo Myong Hong

Volume 14, Issue 1 , January 2023, , Pages 66-77


  This paper focuses on a study concerned with estimation of the platform motion at the lower loading station in the Trucklift slope hoisting system with varying profile of track. The TruckLift slope hoisting system is an innovative transport technology for open-pit mines, and considerably accelerates ...  Read More

Suitable Mining Method Selection using HFGDM-TOPSIS Method: a Case Study of an Apatite Mine

Myong Chun Pak; Un Chol Han; Dong Il Kim

Volume 13, Issue 2 , April 2022, , Pages 357-374


  Mining Method Selection (MMS) is the first and the most critical problem in mine design, and depends on some parameters such as the geo-technical and geological features and economic factors. The factors affecting MMS are determined by some mining experts, and the most suitable mining method is selected ...  Read More