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VideosEnglish • 2 months ago

Why don't railroads need expansion joints?

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Why don't railroads need expansion joints?

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VideosEnglish • 2 months ago

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

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@pyre
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1•2 months ago
it’s a good hook because I always thought they were supposed to have gaps

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