Engineering Tube on Instagram: "Slipforming roadside crash barriers is a great example of continuous construction where machine, materials and timing all have to be synchronised. Below is a clear, practical explanation of how kilometers of concrete safety barrier are made continuously with a slipform paver. Big-picture idea A slipform paver is a self-propelled machine that carries a shaped steel mold (the “slipform”) and extrudes a hardened-shaped concrete element (in this case a traffic/guard b

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GCN - Global Cycling Network on Instagram: "Slipstreaming Explained #slipstream #scienceexplained"