Results 91 to 100 of about 8,725 (226)
Radial Strains of Double-layer Cylinders in Hydraulic Props of Powered Supports [PDF]
At present a lot of efforts are made to use double-layer power cylinders in hydraulic props of powered supports. To study the response of these cylinders to loads a special finite-element model has been developed and used for investigations into tension ...
Buyalich, Gennadiy Daniilovich +2 more
core +1 more source
The accuracy of straightness monitoring of scraper conveyors seriously restricts the development of unmanned mining technology in underground coal mines. Fiber Bragg grating (FBG) sensors have the characteristics of passive intrinsic safety and have broad application prospects in coal mine underground monitoring technology.
Shangyu Du, Hongyu Shi, Jianyong Han
wiley +1 more source
Review of automation technology for fully mechanized coal face of thin seam
The paper analyzed development status of automation technology for fully mechanized coal face of thin seam at home and abroad, introduced structure of automation system of fully mechanized coal face of thin seam, and automation control technology for ...
YU Yue-sen +4 more
doaj
Mining development is of prime importance for economic growth, industrialization, and resilience, particularly for countries rich in minerals, such as Iran. Using an excellent multicriteria decision‐making (MCDM) method, this study attempted to determine provinces with respect to mining development by assessing other regions or provinces by placing ...
Hossein Komasi +5 more
wiley +1 more source
Designing of innovative mining equipment for safe and successful work in mines [PDF]
The article analyses contemporary problems of economic development in Russia. An innovative approach to designing of industrial products based on the assessment of their performance and economic characteristics makes it possible to develop, manufacture ...
Esaulov, Vladimir Nikolaevich +2 more
core +1 more source
Research of Fully Mechanized Mining Technology of Ultra-thin Coal Seam and Its Applicatio
The paper introduced existing status of domestic mining technology of ultra-thin coal seam and pointed out that existing fully mechanized mining equipments are not suitable for mining ultra-thin coal seam.
SU Jun-yan +4 more
doaj
Evaluation of coal longwall caving characteristics using an innovative UDEC Trigon approach [PDF]
Author version of article. The version of record is available from the publisher via DOI: 1016/j.compgeo.2013.09.020Copyright © 2013 Elsevier Ltd. All rights reserved.The paper presents an innovative numerical approach to simulate progressive caving of ...
Coggan, John, Gao, Fuqiang, Stead, Doug
core +1 more source
Key technologies and demonstration of unmanned steeply inclined short-wall fully mechanized top-coal caving intelligent mining [PDF]
Since the 14th Five-Year Plan, my China’s coal mine digital intelligence technology has developed rapidly, especially in thin coal seam mining. However, the unmanned intelligent mining technology of steeply inclined short-wall fully mechanized caving is ...
Bin GU +10 more
core +1 more source
In the mining process of the II1 coal seam at Zhaogu No. 2 coal mine, a method of stratified mining is employed, leaving relatively wide coal pillars in sections.
Du Feng +6 more
doaj +1 more source
Design of multivariate early warning management system for fully-mechanized coal mining equipment
In view of problems of low accuracy, low efficiency and poor timeliness in current management mode of fully-mechanized coal mining equipment, a multivariate early warning management system for fully-mechanized coal mining equipment was designed.
YANG Rui, CAO Kai, WANG Jiyu
doaj +1 more source

