TheBridgeEng · Learning from Failure

Dangsan Rail Bridge (당산철교) (1996)

South Korea · Fatigue & fracture · steel truss (Seoul Metro Line 2)

Speed-era fabrication left weld defects across the truss…

Read the full case — mechanism, cause chain, code changes →

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One of 300 forensic bridge-failure case studies at TheBridgeEng — free, for engineers.