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pro vyhledávání: '"Viet Doan Dao"'
Behavior of noncircular tunnels excavated in stratified rock masses – Case of underground coal mines
Autor:
Ngoc Anh Do, Daniel Dias, Van Diep Dinh, Tien Tung Tran, Van Canh Dao, Viet Doan Dao, Phuc Nhan Nguyen
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 11, Iss 1, Pp 99-110 (2019)
The amount of tunnels excavated along stratified/sedimentary rock masses in Quangninh coal mine area, Vietnam, is gradually increasing. Rock mass in Quangninh is characterized by beddings between rock layers. The behavior of stratified rock masses su
Externí odkaz:
https://doaj.org/article/10eec6712bff4a18980458ae9cf2c3be
Behavior of noncircular tunnels excavated in stratified rock masses – Case of underground coal mines
Autor:
Van Canh Dao, Phuc Nhan Nguyen, Van Diep Dinh, Ngoc-Anh Do, Viet Doan Dao, Tien Tung Tran, Daniel Dias
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering
Journal of Rock Mechanics and Geotechnical Engineering, Elsevier, 2019, 11 (1), pp.99-110
Journal of Rock Mechanics and Geotechnical Engineering, Vol 11, Iss 1, Pp 99-110 (2019)
Journal of Rock Mechanics and Geotechnical Engineering, Elsevier, 2019, 11 (1), pp.99-110
Journal of Rock Mechanics and Geotechnical Engineering, Vol 11, Iss 1, Pp 99-110 (2019)
The amount of tunnels excavated along stratified/sedimentary rock masses in Quangninh coal mine area, Vietnam, is gradually increasing. Rock mass in Quangninh is characterized by beddings between rock layers. The behavior of stratified rock masses su
Publikováno v:
International Journal of Mining Science and Technology, Vol 26, Iss 4, Pp 551-556 (2016)
A reasonable unsupported roof distance (URD) when advancing underground coal mine roadways can contribute greatly to safe and rapid roadway development. A mechanical model of the roof, using the relationship between the roof stress distribution and U
Publikováno v:
Engineering Failure Analysis. 115:104638
Extraction of multiple seam using fully mechanized coal mining technology caused severe deformations in the lower coal seam roadways in Zhaiyadi Coal Mine in Shanxi Province, China. Understanding the characteristics of the lower coal seam entry failu
Publikováno v:
Journal of the Southern African Institute of Mining and Metallurgy, Volume: 115, Issue: 8, Pages: 755-760, Published: AUG 2015
This study proposes a methodology for evaluating the risk of coal bumps in multiple-seam longwall mining. Both the stress field and the total energy release (TER) during retreat were evaluated in the specified case involving multiple-seam mining usin