vintage sectional diagram caisson used the construction forth bridge

navigate by keyword : 1890 1940snworking air are baker bed benjamin bridge caisson caissons can cantilever completed compressed concrete constructed construction dam designed diagram dry dug east encyclopedia engineering engineers english environment estuary firth forth foundations fowler geotechnical harmsworths john keeping men mud pier pumped railway reached repair retaining rock scotland sectional ships sir solid structure such that they universal used vintage water watertight way work

Vintage sectional diagram of a caisson used in the construction of the Forth Bridge.

Harmsworth`s Universal Encyclopedia 1940s. Working under compressed air, men dug through the mud until they reached the solid rock at the bed of the estuary. The Forth Bridge is a cantilever railway bridge across the Firth of Forth in the east of Scotland. Completed in 1890, Designed by the English engineers Sir John Fowler and Sir Benjamin Baker. Geotechnical engineering, a caisson is a watertight retaining structure used to work on the foundations of a bridge pier, for the construction of a concrete dam, or for the repair of ships. Caissons are constructed in such a way that the water can be pumped out, keeping the work environment dry.