Concrete

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Method also works or wakways. Not concrete but very strong

The ancient Romans are known for many innovations that were ahead of their time, including running water and a rotating dining room. But some of the civilization’s construction work seems ahead of even our time. Case in point: Concrete used in some ancient Roman construction is much stronger than most modern concrete, surviving for millennia and getting stronger, not weaker, over time. Roman concrete endures even in seismically active regions and without reinforcement. The secret ingredient? The sea. According to a recipe by Roman engineer Marcus Vitruvius from 30 BCE, builders mixed this ancient mortar with a combination of volcanic ash, lime, and seawater, poured it into wooden molds, then soaked it in additional seawater. This created a strong concrete suitable for dramatic structural designs. The material essentially reinforced itself over time, especially in, but not limited to, marine environments. Some 2,000-year-old sea ...Read More

China transported thousands of tons of concrete to a mountain nearly 600 meters high to build a bridge, using cutting-edge technologies that left everyone in...

#shorts #concrete #diy Did you know that these guys created a stencil concrete that can mimic natural stone or wood without the cost or maintenance. Here's h...