Results 81 to 90 of about 2,553 (189)

A research study of lightweight state perception algorithm based on improved YOLOv5s‐Tiny for fully mechanized top‐coal caving mining

Energy Science & Engineering
Real‐time monitoring of the coal caving process in fully mechanized mining is crucial for achieving intelligent and efficient top‐coal caving. While the coal gangue identification method, employing vision and deep learning, has advanced in the realm of ...
PengFei Shan, Tong Yang, XiaoChen Wu, HaoQiang Sun   +3 more
doaj   +1 more source

Application of intelligent top-coal caving technology in overlying aquifer protection of extra-thick coal seam

Meitan kexue jishu
The grassland areas in eastern Inner Mongolia and northern Xinjiang are rich in coal and groundwater resources. The mining fissures formed by high-intensity coal mining are easy to lead to the strong water-rich aquifer, and it is very easy to cause the ...
Weixuan CHENG, Jingchuan CHEN, Lihui ZHANG, Shengyou LIU, Xin HE, Weidong PAN   +5 more
doaj   +1 more source

Current status and prospects of surrounding rock control and intelligent coal drawing technology in fully mechanized caving face

Gong-kuang zidonghua
This paper analyzes the current status and existing issues in the control technology of surrounding rock and intelligent top coal caving technology for thick and ultra-thick coal seams in fully mechanized caving faces.
PANG Yihui, GUAN Shufang, JIANG Zhigang, BAI Yun, LI Peng   +4 more
doaj   +1 more source

IMPROVMENT OF THE MINING METHOD IN THE BAUXITE MINE ĆUKOVAC-GRIŽINICA

Rudarsko-geološko-naftni Zbornik, 1992
Exploitation of bauxite in region of Dalmatia has tradition of more than 50 years. The biggest underground mine of this bauxite hearing area was developed in deposit Ćukovac-Grižinica with proved workable reserves of 1.2 x 106 t.
Borislav Perić , Slavko Vujec
doaj  

AJANTA CAVES: A PERSPECTIVE ON CONSTRUCTION METHODS AND TECHNIQUES

International Journal of Research in Engineering and Technology, 2016
Ajanta Caves, UNESCO World Heritage Centre in India had its historic glory dating back to 2 nd Century BC to 6 th Century AD has become an outstanding exemplary for Ancient Rock Cut Architecture in India. The series of Buddhist caves comprising Chaityas (Commemorative Prayer Halls) and Viharas (Private Prayer Halls with resting cells) onto the horse ...
openaire   +1 more source

Causal Analysis of Roof Caving on Underground Mine: A New Theory and Optimized DEMATEL Approach

In the context of mines, roof-caving incidents constitute the most common and expensive accidents. To enhance the management and prevention of roof-caving accidents, it is imperative to investigate the factors that contribute to such incidents and ...
Fuding Mei, Zhenhang Xiao, Chuanyu Hu
core   +1 more source

"Figure 10"-Drift and throat sets for modified motor-haulage caving method

An educational diagram labeled "Fig. 10-Drift and throat sets for modified motor haulage caving method." This diagram includes measurements of the timbers used in constructing shafts using this ...
Unknown
core  

Prediction method of surface subsidence induced by block caving method based on UAV oblique photogrammetry. [PDF]

Sci Rep
Ling W, Feng X, Wang L, Zhu Z, Wang S, Fu H, Zhang S, Zhao Y.   +7 more
europepmc   +1 more source

Study on formation mechanism of mud-inclusion-type underground debris flows using natural caving method. [PDF]

Sci Rep
Niu X, Hou K, Bao G, Zhe Y.
europepmc   +1 more source

Pilot tests of continuous gas extraction with improved L-shaped wells from mining and goaf areas. [PDF]

Sci Rep
Zhang J, Qin Y, Li G, Ma H, Li G, Li G, Liu T, Li J, Ji C, Guo M.   +9 more
europepmc   +1 more source