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A holistic examination of the load rating design of longwall shields after more than half a century of mechanised longwall mining被引量：8
《International Journal of Mining Science and Technology》2015年第5期687-706,共20页Frith Russell C. 
It is a commonly asked question:how big should the longwall shields be? The answer is a key aspect of a longwall mining feasibility study when the consequences of inadequately rated shields are considered.This paper a...
关键词：Longwall genmechanics Longwall face instability Longwall shield design Periodic weighting of massive strata Longwall panel geometry 
What can the changes in shield resistance tell us during the period of shearer's cutting and neighboring shields' advance?被引量：5
《International Journal of Mining Science and Technology》2015年第3期361-367,共7页Cheng Jingyi Wan Zhijun Peng Syd S. Liu Sifei Ji Yinlin 
provided by the National High Technology Research and Development Program of China(No.2012AA062100);the Program for New Century Excellent Talents in University of China(No.NCET-10-0770)
In order to determine the influence of shearer's cutting and neighboring shields' advance on the support resistance variation, leg pressure data of all 235 shields in the panel LW61 of Cumberland coal mine were analyz...
关键词：Electrohydraulic control shield support Period of shearer＇s cutting and neighboring shields＇ advanceLeg pressure increment Shield-roof interaction 
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