Tunneling

Note 15 — Chapter XXI · SUBMARINE TUNNELING (Continued); TUNNELS AT VERY SHALLOW DEPTH. THE COFFERDAM METHOD. THE PNEUMATIC CAISSON METHOD. THE JOINING TOGETHER SECTIONS OF TUNNELS BUILT ON LAND.

Reading edition

Condensed from a paper by B. H. Ryder.

Return to CHAPTER XXI. SUBMARINE TUNNELING (Continued); TUNNELS AT VERY SHALLOW DEPTH. THE COFFERDAM METHOD. THE PNEUMATIC CAISSON METHOD. THE JOINING TOGETHER SECTIONS OF TUNNELS BUILT ON LAND.

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