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RMR AND Q - SETTING RECORDS (2008)

After 35 years of use throughout the tunnelling world, the RMR and Q
classifications have proved themselves on numerous projects. They still
face misconceptions however, as reflected in recent articles in T&T
International. Here, Nick Barton, of Nick Barton & Associates, Norway,
and ZT Bieniawski, of Bieniawski Design Enterprises, USA, clear
common misunderstandings and provide the “ten commandments” for
proper use of these rock mass classification systems
Reference:
Tunnels & Tunnelling International FEBRUARY 2008
Organization:
Nick Barton & Associates, Norway
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