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Thread: Engineering Cockup - The victoria line.

  1. #17
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    Re: Engineering Cockup - The victoria line.

    To be fair to the guys down there, the before and after pictures are unbelievable. They can come and clean my car any day

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    Re: Engineering Cockup - The victoria line.

    Quote Originally Posted by herulach View Post
    I can't say whether he thinks its amusing or not, but if you mean sure about being first, then yes, it was. Paddington - farringdon opened before any other metro system, underground or otherwise.
    And the second oldest in the world is in Istanbul - the Tunnel.
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    Treasure Hunter extraordinaire herulach's Avatar
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    Re: Engineering Cockup - The victoria line.

    Quote Originally Posted by peterb View Post
    And the second oldest in the world is in Istanbul - the Tunnel.
    I thought it was budapest? Or does that not count, as its effectively an overground railway with a road on the roof.

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    Re: Engineering Cockup - The victoria line.

    Quote Originally Posted by TheAnimus View Post
    (also most capital cities enjoy an underground mass transit system, of course we were first)
    Nowhere else in the UK I meant....and before Glasgow, Newcastle and anywhere else that has a tunnel for trains to go through gets mentioned, none compare with the sprawling London Underground. Londoners are spoilt in so many ways.

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    The late but legendary peterb - Onward and Upward peterb's Avatar
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    Re: Engineering Cockup - The victoria line.

    Quote Originally Posted by virtuo View Post
    To be fair to the guys down there, the before and after pictures are unbelievable. They can come and clean my car any day
    A good day for sugar

    http://www.telegraph.co.uk/science/s...ete-flood.html
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    Re: Engineering Cockup - The victoria line.

    Quote Originally Posted by santa claus View Post
    ... before ... Newcastle ... gets mentioned, none compare with the sprawling London Underground. ....
    True dat. The Metro's cheap, reliable and pleasant to travel on

  7. #23
    Seething Cauldron of Hatred TheAnimus's Avatar
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    Re: Engineering Cockup - The victoria line.

    Needing an underground system is a not really a good idea. It's expensive, people don't like it compared to surface level. But also you need to have the 'right' kind of ground.

    For a small city, a short hop type thing a tram or mostly surface metro is better. Do you know how long it takes just to get to the platform at say Angel?

    It is mostly required because London is so over populated and ill designed roads for it.
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    Re: Engineering Cockup - The victoria line.

    Quote Originally Posted by TheAnimus View Post
    Needing an underground system is a not really a good idea. It's expensive, people don't like it compared to surface level. But also you need to have the 'right' kind of ground.

    For a small city, a short hop type thing a tram or mostly surface metro is better. Do you know how long it takes just to get to the platform at say Angel?

    It is mostly required because London is so over populated and ill designed roads for it.
    London at depth is mainly lovely soft London clay to tunnel through. Self-sealing, relatively impermeable and short term stability in the temporary case. It would have been hard to pioneer the tube in loose sands say.

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  10. #25
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    Re: Engineering Cockup - The victoria line.

    Quote Originally Posted by ik9000 View Post
    London at depth is mainly lovely soft London clay to tunnel through. Self-sealing, relatively impermeable and short term stability in the temporary case. It would have been hard to pioneer the tube in loose sands say.
    I think the geology south of Victoria is why there are no underground services to Battersea and Clapham junction. And weren't the very early underground lnes largely cut and cover rather than tunnels as such?
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    Re: Engineering Cockup - The victoria line.

    Quote Originally Posted by peterb View Post
    I'd love to think that even now, up and down the country, teachers were preparing science lessons based on this very property.

    Then I remembered that in fact, they're too busy with the paperwork to use this kind of thing any more

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  13. #27
    Seething Cauldron of Hatred TheAnimus's Avatar
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    Re: Engineering Cockup - The victoria line.

    Quote Originally Posted by peterb View Post
    I think the geology south of Victoria is why there are no underground services to Battersea and Clapham junction. And weren't the very early underground lnes largely cut and cover rather than tunnels as such?
    Indeed, apparently tunnelling south of the river is a lot more expensive. Hence why they have more overground routes to match.
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    Re: Engineering Cockup - The victoria line.

    A little known fact about the Viccy Line is that the tunnels are cut in an arc- they dip down out of stations and go back up approaching them- resulting in a 6% energy saving apparently, and faster journey times.

    Back when my job sometimes involved standing by the roadside telling bus drivers what to do face to face I made many trips from Brixton to Oxford Circus and back. The ride into Brixton is pretty rough, but other than that it was nearly always a pleasure to be paid to ride the tube!

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    The late but legendary peterb - Onward and Upward peterb's Avatar
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    Re: Engineering Cockup - The victoria line.

    Quote Originally Posted by Rave View Post
    A little known fact about the Viccy Line is that the tunnels are cut in an arc- they dip down out of stations and go back up approaching them- resulting in a 6% energy saving apparently, and faster journey times.

    Back when my job sometimes involved standing by the roadside telling bus drivers what to do face to face I made many trips from Brixton to Oxford Circus and back. The ride into Brixton is pretty rough, but other than that it was nearly always a pleasure to be paid to ride the tube!
    I think the central line does too - it was innovative at the time.
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    Re: Engineering Cockup - The victoria line.

    I think a lot of the Deep Level Lines do this when they can (for example the central can't do this around Bank), there isn't room for a flywheel storage, as space is at such a premium on these trains, chemical battery regenerative would probably be very costly due to the short intervals. It's a good solution where the geology allows.
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  17. #31
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    Re: Engineering Cockup - The victoria line.

    Quote Originally Posted by Lucio View Post
    I'd love to think that even now, up and down the country, teachers were preparing science lessons based on this very property.

    Then I remembered that in fact, they're too busy with the paperwork to use this kind of thing any more
    yes. it's a crying shame. the best education policy is to set entrance exams for teachers with some test lessons in their training years. after that let them get on with it. unlike gove who has slashed funding to education courses and pretty well killed off teacher training colleges from what I am told. and at the same time is requiring schools to train new teachers from scratch on the job. what a door handle.

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