Why don't railroads need expansion joints?

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Why don't railroads need expansion joints?

www.youtube.com

HiddenLayer555@lemmy.ml to

videos@hexbear.netEnglish · 5 months ago

Why Don’t Railroads Need Expansion Joints?

www.youtube.com

How Thermite turned the clickety-clack of railroads into seamless, silent tracks. Get an exclusive 15% discount on Saily data plans! Use code veritasium at ...

Practical Engineering’s video on this is also really good: https://www.youtube.com/watch?v=zqmOSMAtadc

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