@theknottystring: Here’s a couple of my flower charm bracelets on

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Sunday 08 November 2026 07:26:24 GMT
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The Silver Bridge collapse of 1967 remains one of the most significant engineering failures in history. But what actually caused it? It wasn't a sudden storm or a massive defect—it was a microscopic 0.1-inch crack hidden deep within a steel eyebar. In this video, we explore the forensic engineering of the Silver Bridge, detailing how a quest for efficiency led to a hidden vulnerability. We examine the specific design of the eyebar suspension system and why the material's high strength became its greatest weakness through a process called stress corrosion cracking. Topics covered: - The unique "eyebar" suspension design vs. traditional cables. - The trade-off between heat-treated steel strength and fracture toughness. - Why the bridge was a "non-redundant" structure with no backup systems. - The mechanism of corrosion fatigue and how the crack grew over 40 years. - The physics of the collapse: why the steel shattered like glass. - How this disaster led to the National Bridge Inspection Standards. Learn why the integrity of our largest structures often depends on the smallest details hidden in the dark corners of a joint. Timestamps: 0:00 The Symbol of Steel Strength 1:15 The Eyebar Suspension Design 2:45 Strength vs. Brittleness: The Hidden Trade-off 4:30 The Microscopic Failure: Stress Corrosion Cracking 7:15 The 0.1-Inch Tipping Point 9:00 The Chain Reaction and Collapse 10:45 Lessons in Engineering and Public Safety If you find these explorations of the invisible forces that shape our world valuable, please like and subscribe for more engineering deep dives. #Engineering #SilverBridge #DisasterAnalysis #CivilEngineering #BridgeFailure #StructuralEngineering

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