@structboard: Is it really the concrete holding an arch dam up — or the canyon itself squeezing it into place? It all starts at the bottom of a gorge. The river is diverted, excavation pushes down to solid bedrock, and then the curved body climbs block by block, poured concrete rising centimeter by centimeter. The secret of an arch dam lives in its geometry: the immense thrust of the reservoir is redirected by the curve straight into the canyon walls. That is exactly why an arch dam can stay dramatically thinner than a gravity dam — the rock carries the load, not just the concrete. After years of pouring, the reservoir fills, the bottom outlet roars to life, and the structure becomes a precise machine of pressure, geometry and controlled release. Statics, curvature or the canyon itself? The real answer lives in the balance of all three. For more, visit structboard.com #structboard #archdam #damconstruction #civilengineering #structuralengineering #massconcrete #hydraulicstructures #geotechnical #megastructures #constructionlife #engineering

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Tuesday 02 June 2026 09:45:00 GMT