How Engineers Build Cable-Stayed Bridges

From Seattle’s legendary “Bertha” TBM comeback to extreme Swiss Alps pressure-shaft tunneling, this video dives into the engineering decisions, repairs, and breakthrough methods that keep mega projects moving. Watch how crews fight 10-bar water inflows with injection shields, resin grouting, shotcrete, and steel ribs, then shift to pumped-storage powerhouse caverns, high-voltage grid links, and heavy component logistics.

Courtesy of FD Engineering on YouTube. Watch on YouTube ↗

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