Browsing NSIS Volume 38 - Part 3/4 by Subject "Tunnels"
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Ventilation of a tunnel beneath Northumberland Strait.
(Dalhousie Printing Centre, 1989-12)After brief comparison of ventilation schemes used in three long European tunnels, several possible methods of ventilating a 13 km submarine vehicular tunnel are examined. Probably the most suitable is one supplying fresh ...