Results 91 to 100 of about 8,725 (226)

Radial Strains of Double-layer Cylinders in Hydraulic Props of Powered Supports [PDF]

open access: yes, 2016
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

Development of Optical Fiber Vector Sensor and Its Application in Straightness Monitoring of Scraper Conveyor

open access: yesAdvances in Civil Engineering, Volume 2026, Issue 1, 2026.
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

open access: yesGong-kuang zidonghua, 2013
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  

Evaluation and Ranking of Iran’s Provinces in Terms of Mining Development Using Multicriteria Decision‐Making (MCDM) Techniques

open access: yesComplexity, Volume 2026, Issue 1, 2026.
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]

open access: yes, 2016
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

open access: yesGong-kuang zidonghua, 2011
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]

open access: yes, 2016
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]

open access: yes
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

Research on overburden structural characteristics and support adaptability in cooperative mining of sectional coal pillar and bottom coal seam

open access: yesScientific Reports
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

open access: yesGong-kuang zidonghua, 2018
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

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