Engineering an impossible dream over France's powerful Loire estuary
In short: Discover how engineers constructed the Saint-Nazaire Bridge, a massive structure spanning over 3 kilometers. This documentary explores the technological innovations and grueling conditions required to build one of Europe's most impressive engineering feats.
For over forty years, France's longest bridge has been the Saint-Nazaire Bridge, which reaches across 3,356 metres of the Loire estuary. Construction required nearly 9 kilometres of cables plus 80,000 cubic metres of concrete and 17,000 tons of steel.
The construction required a three-year effort where hundreds of laborers contended with extreme winds and tides. The documentary examines the specific design secrets that allow the bridge to withstand ocean conditions and the ongoing maintenance necessary to preserve the structure today.
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Sources
- Summary by Intellect · source: The Mega Bridge: How They Built a 3-Kilometer Giant - Full Documentary
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