How It's Made: The World's Longest Suspension Bridge | 700-Ton Steel Mega-Blocks

Описание: Six thousand six hundred and thirty-seven feet of steel suspended over one of the world's most strategic waterways—the Çanakkale 1915 Bridge isn't just the longest suspension bridge on Earth, it's a monument built from seven hundred-ton mega-blocks welded together like pieces of a continental puzzle. We'll show you how engineers at the Cimtas Steel factory manufactured these colossal steel boxes, each the size of two basketball courts, then lifted them two hundred fifty feet into the air using one of the most powerful floating cranes ever built. Inside these blocks lies a hidden world: miles of robotic welding seams, submarine-like airtight compartments, and over five hundred thirty-one million feet of steel cable—enough to wrap around the Earth four times. This bridge uses one hundred thousand tons of steel, withstands winds up to one hundred seventy-four miles per hour, and can survive earthquakes exceeding magnitude seven point zero. Every number tells a story: the two thousand twenty-three meter length marks the centennial of the Turkish Republic, while the tower height of one thousand forty-three feet commemorates the Battle of Çanakkale on March eighteenth, nineteen fifteen. From the robotic welding portals that work twenty-four seven to the Asian Hercules III crane lifting sections while all maritime traffic stops, this is engineering at a scale that redefines what's possible when you build a bridge that's really a steel city hanging in the sky.

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