CMRR

作品数:51被引量:46H指数:4
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相关领域:电子电信更多>>
相关作者:孙光爱房雷鸣曹超唐彬尹伟更多>>
相关机构:中国工程物理研究院上海交通大学四川大学华南理工大学更多>>
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Coal mine roof rating(CMRR),rock mass rating(RMR)and strata control:Carborough Downs Mine,Bowen Basin,Australia被引量:4
《International Journal of Mining Science and Technology》2020年第2期225-234,共10页Martin Brook Bruce Hebblewhite Rudrajit Mitra 
Staff at Vale Australia,in particular Lachlan Cunningham and Priscilla Page,are thanked for facilitating underground access to the Carborough Downs Mine.The research was kindly supported by Moultrie Group and Golder Associates.
The rock mass rating(RMR)has been used across the geotechnical industry for half a century.In contrast,the coal mine roof rating(CMRR)was specifically introduced to underground coal mines two decades ago to link geolo...
关键词:Rock mass classification ROOF strength Coal MINE CMRR RMR BOWEN Basin 
Investigation of factors influencing roof stability at a Western U.S.longwall coal mine被引量:3
《International Journal of Mining Science and Technology》2019年第1期139-143,共5页Meriel Young Gabriel Walton Elizabeth Holley 
supported by a NIOSH Capacity Building grant (No. 200-2016-90154) to Drs. G. Walton and E. Holley and collaborators at the Colorado School of Mines
The coal mine roof rating(CMRR) was developed to bridge the gap between geological variation in underground coal mines and engineering design. The CMRR accounts for the compressive strength of the immediate roof, the ...
关键词:COAL MINE ROOF stability CMRR WESTERN U.S.coal Case study 
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