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Off Topic The weather

Discussion in 'Hull City' started by balkan tiger, Jul 18, 2022.

  1. originallambrettaman

    originallambrettaman Mod Moderator
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    There was something on the news yesterday about it, I think it was around half the UK's rail systems can now cope with the heat currently being experienced, the rest can't. I think the same is true of Britain's roads, I went through the new Duchy Homes development in North Cave on Monday night and the brand new road was all churned up.
     
    #221
  2. Cityzen

    Cityzen Well-Known Member

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    Don’t think longer lengths save money, isn’t the reason for it to cut down on noise from the tracks?
     
    #222
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  3. SW3 Chelsea Tiger

    SW3 Chelsea Tiger Well-Known Member

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    1FF43947-CBD7-49BD-B24E-C02FE68CFA8A.jpeg
    awful nights sleep
     
    #223
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  4. Chazz Rheinhold

    Chazz Rheinhold Well-Known Member

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    I had a **** days sleep at home but a cracking sleep on nights at work
    We’ve got air con <laugh>
     
    #224
  5. Chillo

    Chillo Well-Known Member

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    this is off that link i posted

    • As most track is made up of long pieces of rail that are stretched and welded together, there is much less chance of buckling in very high temperatures because there is reduced compression.
    • When a track is made up from short rails bolted together, we leave small gaps between each one so that expansion doesn’t cause a problem.
    i reckon its a cost cutting exercise. might be to cut down the noise? but either way the longer lengths cant cope with the extremes of temps we are getting if they made them able to withstand the severe heat then they claim they would be fooked at very low temps. i very rarely use the train but i seem to remember not hearing that familiar cla-clack, cla-clack. as much. btw that was my best trainline impersonation. wonder what happens in countries such as italy where there is snow and ice on them and a few months later temps as high as what were experiencing now.
     
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  6. Cityzen

    Cityzen Well-Known Member

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    They use longer rails in countries with greater extremes of weather, hot and cold, than we have. Maybe better systems of managing contraction and expansion than we have.
     
    #226
  7. Chillo

    Chillo Well-Known Member

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    i noticed they said where they use slabs of concrete to mount the rails they cope better than the usual sleepers on stones. which is obvious really. i cant see them re mounting all their rails on concrete slabs.
    i cant understand why they cant devise a system where they can have gaps to allow for expansion and a secure way in which to connect them. maybe bed the rails on slabs only at the joints? and a way to reduce noise. which surely only happens when they are out of line?
     
    #227
  8. The B&S Fanclub

    The B&S Fanclub Well-Known Member

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    It's raining. Take a raincoat tonight and a bucket.
     
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  9. TwoWrights

    TwoWrights Well-Known Member

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    Dry in Punch, Vicky Square. :emoticon-0100-smile
     
    #229
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  10. Howdentiger2

    Howdentiger2 Well-Known Member

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    Fortunately I was in a hotel with amazing aircon Monday & Tuesday this week. I've never been so happy in my life
     
    #230
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  11. The B&S Fanclub

    The B&S Fanclub Well-Known Member

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    Run out have they?
     
    #231
  12. dennisboothstash

    dennisboothstash Well-Known Member

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    Across the UK rail network yesterday there was 9km more rail than normal due to expansion
    I guess the fact it’s fastened down in places means it’s buckles
     
    #232
  13. Cityzen

    Cityzen Well-Known Member

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    Did you mean 5.592341 miles?
     
    #233
  14. dennisboothstash

    dennisboothstash Well-Known Member

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    Not particularly
    I meant 9km because that’s what I remembered they’d said
    Found it now
     
    #234
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  15. Chillo

    Chillo Well-Known Member

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    so a 3mm gap for expansion every 10 metres would reduce or even eliminate buckling.
     
    #235
  16. DMD

    DMD Eh?
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    It's poor business sense on their part not to grab the excess while it's there and get it weighed in.
     
    #236
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  17. dennisboothstash

    dennisboothstash Well-Known Member

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    Can’t remember who, but someone replied to ask if we could have it up here! <laugh>
     
    #237
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  18. dennisboothstash

    dennisboothstash Well-Known Member

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    Surprised they haven’t thought of that.

    To be fair they are saying they need to review the whole network due to increased likelihood of higher temperatures so maybe that will be a potential answer
     
    #238
  19. Stockholm Tiger

    Stockholm Tiger Well-Known Member

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    However, that would increase the noise levels dramatically.

    Prestressing the rails does the same without the higher noise levels.
     
    #239
  20. Des Head

    Des Head Well-Known Member

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    Don't forget that rails also contract in winter. Railways set up to cope with 40 degree weather will struggle when they get to minus 20.
     
    #240

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