Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Sung-Oong Choi"'
Publikováno v:
Frontiers of Rock Mechanics and Sustainable Development in the 21st Century ISBN: 9781003077510
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dd7d714fd0aa64d163809d901f0d011
https://doi.org/10.1201/9781003077510-127
https://doi.org/10.1201/9781003077510-127
Autor:
Sung-Oong Choi, Seung-Joong Lee
Publikováno v:
Sustainability, Vol 11, Iss 4, p 945 (2019)
Sustainability
Volume 11
Issue 4
Sustainability
Volume 11
Issue 4
This study describes a precise numerical analysis process by adopting the real image of mine openings obtained by light detection and ranging (LiDAR), which can produce a point cloud data by measuring the target surface numerically. The analysis targ
Publikováno v:
Tunnel and Underground Space. 26:348-362
Publikováno v:
Tunnel and Underground Space. 26:120-130
Considering the applicability of Kuz-Ram model, which has been used extensively for predicting rock fragmentation size distribution by blasting, to domestic open-pit limestone mine, a total of 21 blasting tests have been executed at an open-pit limes
Publikováno v:
Geophysics and Geophysical Exploration. 18:207-215
요약: 지반침하가 발생한 두 곳의 석회석 광산 지역에서 전기비저항 탐사를 수행하여 침하 원인과 향후 위험지역을 추정하고자 하였으며, 해석의 한계성을 극복하기 위해 암반공학적 해석
Publikováno v:
Journal of Korean Society For Rock Mechanics. 25:332-340
Publikováno v:
Journal of Korean Society For Rock Mechanics. 25:210-219
This paper describes a new quantitative process for evaluating the roughness of discontinuity, which is suggested as a qualitative criteria in RMR or Q-system. For this purpose, the Delphi method which is one of the surveying methods was introduced.
Publikováno v:
Journal of Korean Society For Rock Mechanics. 24:386-394
Drilling accuracy is known to be one of the most important factors determining blasting efficiency in mining by blast operation. Therefore analysing the causes of drilling error and preparing a countermeasure for minimizing drilling error are very im
Autor:
Sung-Oong Choi, Seung-Joong Lee
Publikováno v:
KSCE Journal of Civil Engineering. 19:1129-1138
The Linear Cutting Machine (LCM) test is one of the most powerful and reliable methods for verification of the design of disc cutters and predicting the Tunnel Boring Machine (TBM) performance. It has the advantages of predicting the actual load on t
Publikováno v:
Journal of Korean Society For Rock Mechanics. 24:176-186
Roughness, aperture and filling material of rock joint are widely considered to affect the hydraulic characteristics of joint. Among these factors, in this study, the joint roughness was examined with artificial joint profiles generated by Monte Carl