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Piccadilly And City Railway
__NOTOC__ The Piccadilly, City and North East London Railway (PC&NELR) was a tube railway in London proposed in 1902. The railway was to run from Southgate to Hammersmith and Shepherd's Bush via Palmers Green, Tottenham, Stoke Newington, Dalston, Shoreditch, the City of London, the West End and Kensington Kensington is a district in the Royal Borough of Kensington and Chelsea in the West End of London, West of Central London. The district's commercial heart is Kensington High Street, running on an east–west axis. The north-east is taken up b .... The PC&NELR was formed from the combination of three earlier railway schemes proposed in 1901; the Piccadilly and City Railway and the North East London Railway and part of the London United Electric Railway (LUER). The railway was supported by American financier J. P. Morgan and London United Tramways (LUT), whose network of tram routes in west London would provide passengers for the railway at Hammersmith. Although look ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tunnelling Shield
A tunnelling shield is a protective structure used during the excavation of large, man-made tunnels. When excavating through ground that is soft, liquid, or otherwise unstable, there is a potential health and safety hazard to workers and the project itself from falling materials or a cave-in. A tunnelling shield can be used as a temporary support structure. It is usually in place for the short-term from when the tunnel section is excavated until it can be lined with a permanent support structure. The permanent structure may be made up of, depending on the period, bricks, concrete, cast iron, or steel. Although modern shields are commonly cylindrical, the first "shield", designed by Marc Isambard Brunel, was actually a large, rectangular, scaffold-like iron structure with three levels and twelve sections per level, with a solid load-bearing top surface. The structure protected the men from cave-ins as they laboured within it, digging the tunnel out in front of the shield. History ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
