Results 31 to 40 of about 2,553 (189)
Application of BigML in the Classification Evaluation of Top Coal Caving
Shock and Vibration, 2021 Longwall top coal caving mining is one of the main methods of mining thick coal seams in China. Therefore, carrying out the classification evaluation of top coal caving is of great significance to ensure mining success and reduce the risk of mining ...
Meng Wang +6 more
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Top coal recovery at different caving positions.
, 2023 The re-mined face using top coal caving system is the most applicable method for recovering the remaining reserves of a previous partially-mined thick coal seam.
Chunhua Zhang (148898) +3 more
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Shock and Vibration, 2023 The broken top coal and gangue in the fully mechanized cave mining will be released from the rear of the hydraulic support in the form of bulk. In this process, the medium properties through the coal opening can be judged by monitoring the vibration ...
Lirong Wan +5 more
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Energy Exploration & Exploitation, 2022 In view of solving the problems of large top coal loss and low recovery rate in the traditional caving process of horizontal section fully mechanized caving mining, taking the fully mechanized caving face of steeply inclined and extra-thick coal seam in ...
Fengfeng Wu +7 more
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Analysis and Engineering Practice of Factors Affecting Top-Coal Recovery in a Large Dip Coal Seam
Advances in Civil Engineering, 2022 The recovery of top coal in the caving face directly impacts the efficiency of mining coal resources. The geological conditions and mining parameters are well known to be significant influences on the recovery of top coal. This study focused on the 9-301
Xinglong Huang +11 more
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Frontiers in Energy Research, 2022 In order to improve the accuracy of simulation parameters used in the discrete element simulation test of a fully mechanized top-coal caving process and further explore the intelligent fully mechanized coal caving technology, this research work studies ...
Lijuan Zhao +6 more
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河南理工大学学报. 自然科学版ObjectivesFully mechanized top-coal caving is a safe and efficient mining method for extra-thick coal seams. However， the complexity of the caving environment， the challenges in coordinating mining and caving， and the numerous factors influencing caving ...
LI Dongyin +7 more
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, 2018 Immediate roof caving in longwall mining is a complex dynamic process, and it is the core of numerous issues and challenges in this method. Hence, a reliable prediction of the strata behavior and its caving potential is imperative in the planning stage ...
Khaloo Kakaie, R. +3 more
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Intelligent decision-making method for coal caving based on fuzzy deep Q-network
Gong-kuang zidonghua, 2023 During the coal caving process in the fully mechanized caving face, due to the impact of coal dust and dust water mist on the workers' line of sight, there are problems of over-caving and under-caving in manually controlled coal caving. In order to solve
YANG Yi +3 more
doaj +1 more source
Study on Bottom Damp‐Proof Method of Cave Dwelling [PDF]
Advances in Civil Engineering, 2018 The cave dwelling, as one of the most typical and traditional characteristic local housing styles in the loess area of Northwest China, has been adopted widely in many areas since ancient times. The construction of the cave dwellings supports environmental protection, makes use of innovative construction technology, and preserves historical cultural ...
Rong Wan, De-quan Kong, Li-xin Zhang
openaire +2 more sources