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

Here you will find one or more explanations in English for the word Tunnel shaft. Also in the bottom left of the page several parts of wikipedia pages related to the word Tunnel shaft and, of course, Tunnel shaft synonyms and on the right images related to the word Tunnel shaft.

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...
- 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...
- 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...
- it eliminated militants and located a tunnel shaft; destro**** a tunnel, located drills, rockets and tunnel shafts in the Brazil neighborhood; and eliminated...
- A drive shaft, driveshaft, driving shaft, tailshaft (Australian English), propeller shaft (prop shaft), or Cardan shaft (after Girolamo Cardano) is a...
- 2001 at Shaft 26B, from which all three legs of the tunnel (the northern, southern and crosstown legs) originate from. Construction of the tunnel itself...
- 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...
- The completed tunnel will have a total of forty cross p****ages linking the two separate bores and five 18 m (59 ft) diameter shafts used for both ventilation...
- 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...
- Piston effect refers to the forced-air flow inside a tunnel or shaft caused by moving vehicles. It is one of numerous phenomena that engineers and designers...