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Tag: earthquake-proof bridge
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The engineering behind the new earthquake-proof bridge near Seattle’s SR99 tunnel project
The bridge being built near the south entrance of the tunnel for the State Route 99 project under Seattle is designed to be earthquake-proof, King 5 reports. If that project sounds familiar that’s because it’s the tunnel being dug by Bertha, the largest tunnel boring machine in the world and a piece of equipment whose exploits we’ve […]
November 21, 2016
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