Nick Ryland Barton

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Questions related from Nick Ryland Barton

Young researchers given TBM prognosis analysis thesis tasks by professors, with unintended errors made but not found by reviewers. Who is responsible?

There seems to be an increasing number of MSc or PhD studies by young students with little tunnelling or TBM experience. They compare numerous established prognosis methods, and regrettably make...

19 January 2022 6,116 3 View

‘Q-system Barton’ in Google results in NGI site twice and Palmstrøm. Originators Barton and Grimstad pushed aside. Unfortunate as several NGI errors?

Engineering geologists may know that the originators of the empirical (a posteriori) Q-system method of rock mass classification for single-shell tunnel and cavern support estimation, were Barton...

14 December 2020 5,213 3 View

Does anyone know how to delete erroneously-linked-to-we, not the author or co-author Google Scholar citations, without trying to reach publishers etc?

Very frustrating to not know how to do this!

14 September 2018 6,431 2 View

Suddenly again, a lot of literature links for spalling and fracturing around deep tunnels. Have researchers seen the recent explanation of 0.4 UCS?

Baotang Shen, the developer of FRACOD, using classic theory linking stress anisotropy and Poisson's ratio to explain exceedence of critical extension strain in a fully 3D compressive stress field,...

16 April 2018 6,227 4 View

A small tunnel, well monitored for inflow in the Stripa SCV project experienced reduced inflow compared to predictions. What about large excavations?

Quote from TUST article of 2010, just seen: During tunnel excavation in a jointed rock mass, significant joint closure takes place in the immediate vicinity of tunnel due to joint effective...

16 December 2017 5,698 2 View