Results 111 to 120 of about 5,124 (199)

Failure characteristic and fracture evolution law of overburden of thick coal in fully mechanized sub-level caving mining

, 2017
In mining process, the height of water flowing fractured zone is important significance to prevent mine of water and gas, in order to further research the failure characteristic of the overlying strata.
Xiaolei Wang, Qirong Qin, Cunhui Fan
semanticscholar   +1 more source

Observation of Overlying Strata Failure Height in Fully Mechanized caving in Tongxin mine [PDF]

Proceedings of the 2016 7th International Conference on Mechatronics, Control and Materials (ICMCM 2016), 2016
Pengshuai Fang, Wenyong Liu, Yansen Huai
openaire   +1 more source

Method of tail beam posture prediction of top coal caving hydraulic support based on LSTM

Meitan kexue jishu
Fully mechanized caving is the main mining method for extra-thick coal seams in my country. The control accuracy of the caving actuator depends largely on the data feedback of the tail beam posture.
Yupeng YAO, Jinglin ZHANG, Wu XIONG
doaj   +1 more source

Prediction of the Height of Water-Conducting Fissure Zone for Shallow-Buried Coal Seams Under Fully Mechanized Caving Conditions in Northern Shaanxi Province

Water
Accurate prediction of the height of water-conducting fissure zone (HWCFZ) is an important issue in coal water control and a prerequisite for ensuring the safe production of coal mines.
Wei Chen, Shujia Geng, Xi Chen, Tao Li, P. Tsangaratos, Ioanna Ilia   +5 more
semanticscholar   +1 more source

Analysis of overburden structure and support working resistance of working face in fully-mechanized top coal caving with large mining height in ultra thick coal seam

矿业科学学报, 2017
In order to grasp the overburden structure and support working resistance of working face in fully-mechanized top coal caving with large mining height in ultra thick coal seam, this paper study the ultra thick coal seam in Tongxin coal mine.The fracture ...
Hou Yunbing, He Shangsen, Zhou Dianqi, Han Shuai, Zhou Yu   +4 more
doaj  

Optimization of drawing parameters based on top-coal flow law in thick-seam caving mining. [PDF]

Sci Rep
Wu S, Xu X, Wang J, Kong D, Wu G, Liu Q, Zuo Y.   +6 more
europepmc   +1 more source

Evolution and dip effect of boundary spatial morphology of top-coal limit equilibrium zone in steeply dipping coal seam. [PDF]

Sci Rep
Wu X, Chi X, Lang D, Wu Y, Zhang Z, Chen S.   +5 more
europepmc   +1 more source

Technology of Fully-mechanized Top Coal Caving Face Passing Through Mine Abandoned Roadway in Chengzhuang Coal Mine

Meikuang Anquan, 2020
For the characteristics of the two empty lanes which are parallel empty roadways in front of 3311 fully mechanized caving face in Chengzhuang Mine and empty roadway in roof, and the problems that overhanging support pressure overlaps, the mine pressure appears severely and the roof collapses, etc, filling empty lane is a reasonable way to pass empty ...
openaire   +1 more source

Study on mechanism of air distribution volume's influence on airflow, dust migration and spray dust reduction in fully mechanized caving face. [PDF]

Sci Rep
Hongjie Z, Shaocheng G, Tian Z, Deji J, Xi C, Xingyu C.   +5 more
europepmc   +1 more source

Acid mine drainage control in mining areas: identification of groundwater recharge pathways and source reduction strategies. [PDF]

Sci Rep
Zhang C, Zhang F, Mu W, Li H.
europepmc   +1 more source