(Re)claiming the Underground Space

(Re)claiming the Underground Space

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Proceedings of the ITA World Tunnelling Congress 2003, 12-17 April 2003, Amsterdam, The Netherlands Jan Saveur ... The water impoundment at 130 m a.s.l. reduces maximum discharges and extends the emptying time. ... This natural cave is located above the main conduit which conveys over 90% of inflow into the Ombla spring. ... vertical shaft shall also be a facility where the water flow shall be diverted by closing of a particular tunnel in order to conduct inspections and repairs.

Title:(Re)claiming the Underground Space
Author:Jan Saveur
Publisher:CRC Press - 2003-01-01


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