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[期刊论文] 作者：Bruce Hebblewhite,
来源：矿业科学技术学报:英文版 年份：2020
Historically there have been a number of different hypotheses and empirical models developed in an attempt to describe the nature of fracturing above longwall p...
Coal mine roof rating(CMRR),rock mass rating(RMR)and strata control:Carborough Downs Mine,Bowen Basi
[期刊论文] 作者：Martin Brook,Bruce Hebblewhite,
来源：矿业科学技术学报:英文版 年份：2020
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 introduce...
Coal mine roof rating (CMRR),rock mass rating (RMR) and strata control:Carborough Downs Mine,Bowen B
[期刊论文] 作者：Martin Brook,Bruce Hebblewhite,Rudrajit Mitra,
来源：矿业科学技术学报（英文版） 年份：2020
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 intro...
[期刊论文] 作者：Tien Dung Le,Rudrajit Mitra,Joung Oh,Bruce Hebblewhite,,
来源：International Journal of Mining Science and Technology 年份：2017
Longwall Top Coal Caving has been considered as one of the most effective technologies for the extraction of underground thick coal seams. A large number of stu...
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