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Keywords: PROBES
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Journal Articles
Proceedings of the Institution of Civil Engineers - Civil Engineering (1994) 102 (5): 6–10.
Published: 01 May 1994
... were made daily or weekly in the major underground structures- Geological procedures during operations the pumping stations andcrossoverdepending on the rate of progress. 21. Investigative probe holes were driven in Geological reporting the service tunnels, especially to assess the 18. A team of up...
Journal Articles
Proceedings of the Institution of Civil Engineers - Civil Engineering (1992) 92 (5): 55–86.
Published: 01 December 1992
... construction w o r k s w a sthe requirement of risk which was to be dealt with by using the for 84 km of t u n n e l s to be constructed b y service tunnela s a pilot tunnel and probing tunnel boring machines (TBMs). On the ahead of its face. UK side, the programme required six 4. In early 1988, a specific...

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