Results 71 to 80 of about 2,553 (189)

The Cellular Automaton Method for Cave Generation

, 2012
Dear reader, this post has an interactive simulation! We encourage you to play with it as you read the article below. In our series of posts on cellular automata, we explored Conway's classic Game of Life and discovered some interesting patterns therein.
openaire   +1 more source

Theory and key technologies for intelligent fully-mechanized top-coal caving faces of annual production of millions of tons

Meitan kexue jishu
The research focused on addressing various challenges in intelligent top caving theory, intelligent perception and recognition key technology, intelligent caving comprehensive decision-making technology, and remote caving intelligent control technology ...
Bin YU, Yang TAI, Gang XU, Yong LI, Dongyin LI, Shibo WANG, Tiejun KUANG, Ercun MENG   +7 more
doaj   +1 more source

Optimization and Application of High Production and High Efficiency Mining Parameters of Fully Mechanized Caving Face

, 2011
The size of the fully mechanized caving face is optimized by theoretical analysis and the dip length of the face is determined as 260m. With the method of numerical simulation, the reasonable cutting height of the face is determined as 3.5m and the ...
Shan Chao Hu, Zhi Gao Zhang, Zhong Ping Guo   +2 more
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Square set caving method diagram, "Figure 10"

An undated diagram for for a square set caving method labeled as "figure 10" and showing four timbering diagrams with the center diagram showing measurements for the timber ...
Unknown
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Intelligent long wall top coal caving mining

Longwall Top Coal Caving (LTCC) mining technology is an effective method for mining thick and extra thick coal seams in China.Since its application in China in 1982, significant progress has been made, forming a variety of mining modes such as LTCC with ...
Jiachen Wang (505061), Yang Li (7082)
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Sub-level caving method diagram, "Figure 13"

An undated diagram labeled as "Figure 13" and it says "throat set and grizzly for sub level caving method.
Unknown
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Influence of pipe jacking burial depth and caving body particle size on mechanical properties of pipe jacking

Meikuang Anquan
The pipe jacking rescue method is to form an emergency life passage safely and efficiently by jacking a prefabricated pipe through the caving and collapse blockage area.
Fukun XIAO, Zhiwei LAO, Kai XIE, Lingxue KONG, Chuanbo HAO   +4 more
doaj   +1 more source

Physical Modelling of the Top Coal Caving Mining Method (TCC) with Hydraulic Powered Roof Support

The efficiency of coal deposit mining using the TPC (Top Coal Caving) method strongly depends on the detailed solutions of the mining method design, which significantly affect the degree of deposit utilization, the size of losses and dilution.
Waldemar Korzeniowski, Krzysztof Skrzypkowski, Dusan Terpak   +2 more
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Rapid Prediction for Overburden Caving Zone of Underground Excavations

Geotechnics
Underground coal gasification (UCG) is an emerging energy technology that involves the in situ conversion of coal into syngas through controlled combustion within a subsurface excavation.
Zihan Zhang, Chaoshui Xu, Zhao Feng Tian, Feng Xiong, John Centofonti   +4 more
doaj   +1 more source

The mechanism of caving of longwall faces

, 1974
Positive anticipation of caveability of strata though very vital is still at an early stage of development. Different empirical and statistical approaches are being developed in many countries.
Singh, B., Singh, T.N.
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