@invention.ig: A Tunnel Boring Machine (TBM) is a massive piece of engineering equipment designed for excavating tunnels with speed, efficiency, and precision. TBMs are used in various construction projects, including building transportation tunnels for roads, railways, and subways, as well as water supply and sewage tunnels, among others. The TBM consists of a cylindrical body with a rotating cutting head at the front, equipped with hardened cutting discs or teeth that grind through rock and soil. As the TBM advances forward, it creates a tunnel by excavating material and simultaneously installing precast concrete segments or steel linings to support the tunnel walls. This process, known as “lining,” helps stabilize the tunnel and prevents collapses during excavation. TBMs operate within a pressurized chamber called the “shield,” which protects workers and equipment from the high pressures and potential hazards of underground excavation. Additionally, TBMs feature conveyor systems to transport excavated material away from the work area, minimizing disruption and facilitating efficient tunnel construction. TBMs are capable of excavating tunnels of varying diameters and lengths, ranging from small utility tunnels to large-scale infrastructure projects spanning several kilometers. Their ability to excavate tunnels quickly and safely has made TBMs an indispensable tool in modern tunnel construction, revolutionizing the way tunnels are built and contributing to the development of underground infrastructure worldwide. Video Credit: YouTube/TK Images #history #science #education #learn #invention #entertainment #news #interesting #tech #facts #story #fyp #viral #explore

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Tuesday 16 April 2024 19:31:37 GMT