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Understanding roof deformation mechanics and parametric sensitivities of coal mine entries using the discrete element method被引量：11
《International Journal of Mining Science and Technology》2020年第1期123-129,共7页Rami Abousleiman Gabriel Walton Sankhaneel Sinha 
sponsored by the Alpha Foundation for the Improvement of Mine Safety and Health, Inc. (Alpha Foundation);the funding provided for this project by the Alpha Foundation;partially funded by the National Institute of Occupational Health and Science (NIOSH) under Grant Number 200-2016-90154.
Although conventional coal mine designs are conservative regarding pillar strength,local failures such as roof-falls and pillar bursts still affect mine safety and operations.Previous studies have identified that disc...
关键词：Numerical modeling DISCRETE element method Coal mine ROOF rating ANALYSIS of ROOF bolt systems Sensitivity ANALYSIS Strain SOFTENING ubiquitous joints DISCRETE fracture network 
User-friendly finite element design of main entries, barrier pillars,and bleeder entries
《International Journal of Mining Science and Technology》2018年第1期3-10,共8页William G.Pariseau Mark K.Larson Heather E.Lawson Douglas R.Tesarik 
This contribution describes development and application of a user-friendly finite element program,UT3PC, to address three important problems in underground coal mine design:(1) safety of main entries,(2) barrier pilla...
关键词：Finite element Coal MINE layout DESIGN MAIN ENTRIES BARRIER PILLARS Bleeder ENTRIES 
Design and application of solid, dense backfill advanced mining technology with two pre-driving entries被引量：10
《International Journal of Mining Science and Technology》2015年第1期127-132,共6页Zhang Qiang Zhang Jixiong Guo Shuai Gao Rui Li Weikang 
supported by the Fundamental Research Funds program for the Central Universities (No. 2014RC02);the Research Innovation Program for College Graduates of Jiangsu Province (No. CXLX13_951);Qing Lan Project
New solid backfill mining technology provides unique technical advantages for ‘‘three-under'' coal mining which refers to coal resources trapped under buildings, railways, and water bodies. This technology has a muc...
关键词：Two pre-driving entriesGob-side entry retainingSolid backfill miningStrip miningGround subsidence contro 
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