Stepping inside the Pantheon makes it immediately clear why this dome is so extraordinary. It is still the largest unreinforced concrete dome in the world, a record it has held for nearly two ...

The Pantheon, dating to the 2nd century AD, is a circular concrete building faced with brick, boasting the world's largest and oldest unreinforced concrete dome.

Concrete Dome One of the largest domes in the world, the Pantheon, is made of concrete. You saved a lot of money building this dome with concrete. But remember: concrete is very heavy.

When visitors walk into the Pantheon in Rome and encounter its colossal dome, they may experience the same theatricality as its guests nearly 2,000 years ago. “Anyone who steps inside the ...

Consider the Pantheon, built by Roman Emperor Hadrian in the second century CE as a temple to all the gods and a monument to his power. Its concrete dome was unprecedented in weight and size, spanning ...

That is pitiful compared with, say, the concrete dome of the Pantheon in Rome—which was completed in 125 AD and still stands. Various ways of delaying or preventing concrete cancer, as this ...