The Technical World Magazine, Volume 3Technical World Company, 1905 |
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Page 207
THE ENGINEERING PART OF TUNNEL CONSTRUCTION . Determining the Axis . COMPRESSED - AIR LOCOMOTIVE IN TUNNEL . Used for forcing. ing Alpine tunnels , which are single bor- ings with double tracks , the Simplon is a two - tunnel affair ...
THE ENGINEERING PART OF TUNNEL CONSTRUCTION . Determining the Axis . COMPRESSED - AIR LOCOMOTIVE IN TUNNEL . Used for forcing. ing Alpine tunnels , which are single bor- ings with double tracks , the Simplon is a two - tunnel affair ...
Page 210
... TUNNEL . tunnel's completion , was met last Sep- tember , when a huge underground reser- voir was accidentally tapped , and a par- boiling cataract of water , with a volume of 18,000 gallons a minute , rushed into the tunnel . An ...
... TUNNEL . tunnel's completion , was met last Sep- tember , when a huge underground reser- voir was accidentally tapped , and a par- boiling cataract of water , with a volume of 18,000 gallons a minute , rushed into the tunnel . An ...
Page 287
... tunnel shell , entered , and bolted the end flanges of the tunnel . to the flanges of the shore section . The plate was then again bolted in place , the water was pumped out and air pumped in . The method just described makes possible ...
... tunnel shell , entered , and bolted the end flanges of the tunnel . to the flanges of the shore section . The plate was then again bolted in place , the water was pumped out and air pumped in . The method just described makes possible ...
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