Secret to Roman Concrete Revealed

When today's buildings seem so vulnerable to collapse, how is it that Imperial Roman structures like The Pantheon, Trajan's Markets, and The Colosseum have endured for nearly 2,000 years?

The concrete walls of Trajan's Markets in Rome have stood the test of time and the elements for almost 2,000 years. They even survived a major earthquake in 1349.

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State courthouse: Concrete bucket brigade

Elaborate logistics go into pouring foundation 

of $555M project.

Construction on the state courthouse site downtown continues long after sunset as workers pour 6,800 cubic yards of concrete for the foundation. - Rudolph and Sletten

 

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