Hello, I am looking for data from different tunnels in the world about Q barton classification or RMR, abscissa, support and geological survey. Can you give some references or links to compile this information?
I know it's kind of hard to get those kind of information from books. I guess you can find more information in national or international congress and conference proceedings, where lots of consultant companies share the work they developed. As an example, you can see two papers from a company I worked (in portuguese):
If you're looking for larger information databases, maybe it's better to search for the original papers about the RMR and Q, I guess they must present some information. A simple search for RMR and Q in scientific search engines (ScienceDirect, for example) can lead you as well to several papers where some information is shared, like this one: