Vol. 62 No. 5a (2021): Vol 62, Issue 5a

Bài viết

• Application of mobile hydraulic anti-rigging complex in tunnels excavation and mining attheMong Duong Coal Joint Stock Company-Vinacomin

  Khai Cao Nguyen, Khuong Van Ngo

  1-10

  • pdf (Vietnamese)
• Stress distribution ahead of mechanized longwall top coal caving face with great cutting heigh

  Tung Manh Bui, Hung Phi Nguyen, Tuan Van Nguyen

  11-17

  • pdf (Vietnamese)
• Application of numerical modelling method for determination of underground mining’s impact on constructions in G9 coal storage at Mong Duong coal mine by using program UDEC2D

  Hung Duc Pham, Dung Tien Van Mac

  18-27

  • pdf (Vietnamese)
• Solutions to improve microclimate conditions for longwall in Mong Duong coal mine

  Quang Van Nguyen, Tu Ngoc Do, Tinh Van Nguyen, Mien Van Nguyen, Hung Nhu Le

  28-35

  • pdf (Vietnamese)
• Improvement of mining technology for the longwall -170/ -100 m in Seam H10 at East Wing of Mong Duong coal mine

  Tien Trung Vu, Ha Manh Tran, Son Anh Do, Dung Tien Le , Au Hai Thai

  36-44

  • pdf (Vietnamese)
• Ventilation solution to undergroud mining site in Cao Thang mine area, Hon Gai Coal Company

  Cuong Hong Nguyen, Khai Cao Nguyen, Kha iVan Le, Thuc Van Tran

  45-53

  • pdf (Vietnamese)
• Research solutions to reduce dust concentration at the VM - L (7) - 1 mechanized longwal of the Mong Duong coal mine

  Nhan Thanh Thi Dinh, Thinh Van Nguyen, Manh Cuong Le

  54-61

  • pdf (Vietnamese)
• Improvement of production arrangement chart for mechanised longwall at Seam 11 of Centre area - Duong Huy coal mine

  Hiep Hoang Do, Tung Manh Bui, Dung Tien Thai Vu , Anh Tuan Tran

  62-68

  • pdf (Vietnamese)
• Methodology for preparing coal seams with high methane content by complex impact method

  Dung Tien Thai Vu, Thanh Van Tran, Mien Van Nguyen, Tinh Van Do

  69-75

  • pdf (Vietnamese)
• Forecast methane content in coal seams from -250 m to -400 m of Mong Duong coal mine

  Thinh Van Nguyen, Hung Phi Nguyen, Thang Viet Nguyen, Khaosay Vilayheuang, Duc Trung Ngo

  76-84

  • pdf (Vietnamese)
• Analyze the causes and propose solutions to prevent an increased temperature of the longwall in Khe Cham III coal mine

  Chi Van Dao, Ha Xuan Tran, Quang Van Nguyen

  85-93

  • pdf (Vietnamese)
• Research on the stability of reused roadways at Khe Cham I coal mine

  Phuc Quang Le, Duy Van Than

  94-102

  • pdf (Vietnamese)
• Orientation underground exploitation method to develop for the Lang Vai of small scale antimol region, ​Tuyen Quang Province

  Hung Phi Nguyen, Tung Manh Bui, Hoa Nhu Thi Nguyen

  103-111

  • pdf (Vietnamese)
• The relationship between mining output and methane of the N010 coal seam in Ha Lam coal mine

  Nhung Thi Pham, Thinh Van Nguyen, Hung Nhu Le

  112-118

  • pdf (Vietnamese)
• 3-D Integrated Geological Modeling for coalbed estimation in the Khe Cham I mine, Quang Ninh province: Techniques and Applications

  Hung The Khuong, Minh Tu Ngoc Trinh

  119-127

  • pdf (Vietnamese)
• Building 3D model for the deep vertical shaft in Nui Beo coal mine using Terrestrial laser scanning technology

  Hanh Hong Tran, Nhan Thi Pham

  128-134

  • pdf (Vietnamese)