Conference Proceedings
The Australasian Ground Control Conference An ISRM Regional Symposium (AusRock Conference) 2022
Conference Proceedings
The Australasian Ground Control Conference An ISRM Regional Symposium (AusRock Conference) 2022
The coalmine roof rating – an update in its calculation and mechanistically why it works
The Coal Mine Roof Rating (CMRR) is a rock (roof) mass classification (RMC) system/index that was originally developed by the United States Bureau of Mines (USBM) for aspects of underground coalmine geotechnical design and was first introduced to Australia as a part of the original Analysis of Longwall Tailgate Serviceability (ALTS) project conducted in 1997/1998.
Contributor(s):
M Colwell
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- Published: 2022
- Pages: 18
- PDF Size: 1.233 Mb.
- Unique ID: P-02415-S0X5D8