Science & space Expert17 Machines, 55 KM of Tunnels — How Mumbai Metro Was Built

17 Machines, 55 KM of Tunnels — How Mumbai Metro Was Built

Long-form5:09Travel & Events

Published Oct 1, 2026, 11:00 AM · 2w ago

Expert

1.6K subscribers · median 51 views

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Description

Mumbai ke neeche, sadko ke bilkul niche, ek giant mechanical machine 24 ghante, bina ruke kaam kar rahi thi — chattano ko kaatti hui, tunnels banati hui. Yeh hai Tunnel Boring Machine (TBM) — Mumbai Metro Line-3 project ka sabse bada hero. Is video mein jaanein kaise 6.68-metre diameter cutterhead hard basalt rock ko kaatta hai, kaise excavated material continuously transport hota hai, aur kaise precast concrete segment rings tunnel ki permanent lining banate hain. Jaanein kaise 17 TBMs ne milkar 55 kilometre tunnels banaye — heritage buildings, existing railway lines, aur water bodies ke bilkul kareeb se guzarte hue, bina ek bhi structure ko nuksan pahunchaye. Ek machine jo apne aap mein poori factory hai — din-raat, bina ruke. #MumbaiMetro #TunnelBoringMachine #TBM #EngineeringExplained #MegaEngineering #UndergroundEngineering #Infrastructure #HowItsBuilt #IndianEngineering #MetroConstruction #CivilEngineering #TunnelEngineering #MakeInIndia #EngineeringMarvels #ScienceExplained #Explainer #MumbaiMetroLine3 #ConstructionTechnology #TechDocumentary #MegaProjects

Details

Published: Oct 1, 2026, 11:00 AM
Length: 5:09 (309 s)
Format: Long-form
Category: Travel & Events
Audio language: EN
Quality: HD
Captions: No
Made for kids: No
Licensed content: Yes
Video ID: 9BGXajNhF7I

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