Definition of Tunnel shaft. Meaning of Tunnel shaft. Synonyms of Tunnel shaft

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Definition of Tunnel shaft

Tunnel shaft
Tunnel Tun"nel, n. . [F. tonnelle a semicircular, wagon-headed vault, a tunnel net, an arbor, OF. also tonnel; dim. of tonne a tun; -- so named from its resemblance to a tun in shape. See Ton.] 1. A vessel with a broad mouth at one end, a pipe or tube at the other, for conveying liquor, fluids, etc., into casks, bottles, or other vessels; a funnel. 2. The opening of a chimney for the passage of smoke; a flue; a funnel. And one great chimney, whose long tunnel thence The smoke forth threw. --Spenser. 3. An artificial passage or archway for conducting canals or railroads under elevated ground, for the formation of roads under rivers or canals, and the construction of sewers, drains, and the like. 4. (Mining) A level passage driven across the measures, or at right angles to veins which it is desired to reach; -- distinguished from the drift, or gangway, which is led along the vein when reached by the tunnel. Tunnel head (Metal.), the top of a smelting furnace where the materials are put in. Tunnel kiln, a limekiln in which coal is burned, as distinguished from a flame kiln, in which wood or peat is used. Tunnel net, a net with a wide mouth at one end and narrow at the other. Tunnel pit, Tunnel shaft, a pit or shaft sunk from the top of the ground to the level of a tunnel, for drawing up the earth and stones, for ventilation, lighting, and the like.

Meaning of Tunnel shaft from wikipedia

- get stuck. By November 1825 the Rotherhithe shaft was in place and tunnelling work could begin. The tunnelling shield, built at Henry Maudslay's Lambeth...
- remaining 20 ft of shaft necessary to achieve the correct level for digging the tunnel was constructed by under-pinning. The tunnelling was done by miners...
- A drive shaft, driveshaft, driving shaft, tailshaft (Australian English), propeller shaft (prop shaft), or Cardan shaft (after Girolamo Cardano) is a...
- full-face shaft boring (akin to a vertical tunnel boring machine) have shown promise but the use of this method is, as of 2019, not widespread. Mine shafts are...
- it eliminated militants and located a tunnel shaft; destro**** a tunnel, located drills, rockets and tunnel shafts in the Brazil neighborhood; and eliminated...
- IDF released footage down the tunnel shaft of what it stated to be a Hamas tunnel network. The footage showed a tunnel shaft, which contains a winding staircase...
- elevator Ventilation shaft, a vertical p****age used in mines and tunnels to move fresh air underground, and to remove stale air Shaft (civil engineering)...
- vertical shaft (Warren's Shaft proper) [3] a feeding tunnel (Tunnel VI) [citation needed] It is generally believed that the 13-metres-high shaft is a natural...
- in 1838, it was the longest railway tunnel ever constructed. The tunnel had atypically large ventilation shafts, because of a lack of experience as to...
- Siloam inscription Tunnel of Eupalinos, 6th century BC tunnel on Samos, Greece Turpan water system Warren's Shaft Hezekiah's Tunnel Wading through the...