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Why Are There Stones Along Railway Tracks?

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About Why Are There Stones Along Railway Tracks?

Explore Why Are There Stones Along Railway Tracks? with 11,790,641 views, 185,668 likes, and 3,650 comments. Experience the impact of this video content that has captured audience attention.

Why are there stones on railway tracks? Those crushed stones are called track ballast, and they serve 7 critical purposes — from holding sleepers in place and distributing the immense weight of trains, to preventing flooding, vegetation growth, and heat expansion. In this video, we explain what track ballast is, why the stones must be jagged (not smooth), and how they protect railway tracks worldwide. Whether you're a curious train passenger, an engineering student, or just fascinated by everyday things you've never questioned, this animated explainer answers one of the most commonly asked questions about railways. CHAPTERS: 0:00 – Why do railway tracks have stones everywhere? 0:26 – What is track ballast? 0:55 – Why the stones must be jagged, not smooth 1:33 – Why railway tracks need protection 1:54 – Reason 1: Holds sleepers in place under pressure 2:27 – Reason 2: Distributes the immense load of trains 2:43 – Reason 3: Absorbs vibrations for passenger comfort 3:07 – Reason 4: Drainage — prevents water clogging and rust 3:27 – Reason 5: Prevents vegetation growth around tracks 3:53 – Reason 6: Absorbs noise from moving trains 4:16 – Reason 7: Minimizes heat expansion in summer 4:28 – Summary: why track ballast is the backbone of railways 4:39 – How track ballast is maintained and cleaned WATCH NEXT: â–¶ Why Don't They Have Parachutes For Passengers In Commercial Planes? – https://youtu.be/asTtd2nEd_A â–¶ How Do Airplanes Fly? The Science of Flight Explained – https://youtu.be/g9oVFRG1PGQ â–¶ Rocket Science: How Rockets Work – https://youtu.be/jI8kRGqAF5E KEY TOPICS COVERED: • What track ballast is and why it's found on every railway in the world • Why the stones must be jagged and sharp-edged (smooth stones would slide) • 7 reasons for track ballast: stability, load distribution, vibration, drainage, vegetation, noise, heat • How sleepers and railroad ties work with ballast to support tracks • Why track ballast needs regular maintenance and cleaning • The engineering behind one of the most important transport systems on Earth #TrackBallast #RailwayTracks #WhyStonesOnTracks #RailwayEngineering #TrainFacts #EngineeringExplained REFERENCES: https://www.nap.edu/read/22800/chapter/6 https://railtec.illinois.edu/wp/wp-content/uploads/pdf-archive/Qian-et-al-2011_ISEV.pdf Original Article: https://www.scienceabc.com/pure-sciences/why-are-there-stones-train-ballast-alongside-railway-tracks.html Voice Over: John Staughton (https://www.fiverr.com/jswildwood) SUBSCRIBE for more science explainers! https://www.youtube.com/channel/UCcN3IuIAR6Fn74FWMQf6lFA?sub_confirmation=1 Follow us: Twitter: https://twitter.com/abc_science Facebook: https://facebook.com/sciabc Instagram: https://www.instagram.com/scienceabcofficial/ Website: https://www.scienceabc.com Copyright Science ABC. For licensing inquiries: [email protected]

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