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Why Crushed Stones Are Placed On Railway Tracks | Urdu/Hindi 5 лет назад



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Why Crushed Stones Are Placed On Railway Tracks | Urdu/Hindi

Why crushed stones are placed on railway tracks ? Think about the engineering challenge faced by running miles of narrow ribbons of steel track on top of the ground: they are subject to heat expansion and contraction, ground movement and vibration, precipitation buildup from rough weather, and weed and plant growth from underneath. Now keep in mind that while 99% of the time they are just sitting there unburdened, the remaining 1% they are subject to moving loads as heavy as 1,000,000 pounds. Put all this together, and you have yourself a really, really interesting problem that was first solved nearly 200 years ago, and hasn't been improved since! Find us on social media: facebook page: https://web.facebook.com/BigBang-Stud...

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