Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Yuguang LYU"'
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 8, Pp 139-145 (2024)
This paper explores the design of safe coal (rock) pillars and the control effect of water pressure on roof water inrush in the “Code for Coal Pillar Retention and Coal Mining in Buildings, Water Bodies, Railways, and Main Tunnels”. Firstly, by a
Externí odkaz:
https://doaj.org/article/a28d67adc9db44bbad12726dd581cf70
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 3, Pp 180-188 (2024)
Regarding the issue of determining the thickness of the protective layer for waterproof and safe coal (rock) pillars in mining near water bodies, Appendix 4-3 of the “Code for Retaining and Mining Coal Pillars in Buildings, Water Bodies, Railways,
Externí odkaz:
https://doaj.org/article/137c9931392242b69a9be845ef44c69a
Autor:
Wei QIAO, Yuguang LYU, Gang HAN, Guangyao LIU, Wenbin LYU, Peichao FENG, Weichi CHEN, Zhen WANG
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 2, Pp 194-208 (2024)
The first and currently only Jurassic coal seam mining floor Baotashan sandstone water inrush and well flooding accident occurred in the New Shanghai No. 1 Coal Mine in Shanghai Miao Mining Area, Inner Mongolia. This paper researched the water inrush
Externí odkaz:
https://doaj.org/article/92589af140ea4d99bbe6b08d133583bd
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 4, Pp 133-139 (2023)
According to some hot spots such as exploration before excavation，difficulties like drainage mining under special conditions and contradictory while operating procedures in recent coal mining water prevention projects, confusions brought to product
Externí odkaz:
https://doaj.org/article/46f9b8b56d1c4f36952d03029fc743fc
Publikováno v:
Meikuang Anquan, Vol 52, Iss 6, Pp 109-116 (2021)
In order to solve the technical problem of soft rock engineering deterioration with expansive water-rich in Inner Mongolia Shanghaimiao Mining Co., Ltd., the experiment of the influence of water content on the mechanical properties of rock was carrie
Externí odkaz:
https://doaj.org/article/5919ff8a2cee4a9eb2838931e68fe442