Roman concrete, also called opus caementicium, was used in construction in ancient Rome. Like its modern equivalent, Roman concrete was based on a hydraulic-setting cement added to an aggregate.

Jan 6, 2023 · Researchers have spent decades trying to figure out the secret of this ultradurable ancient construction material, particularly in structures that endured especially harsh conditions, such as …

Oct 29, 2025 · But it turns out that's not the whole story. In 2023, an international team led by scientists at the Massachusetts Institute of Technology (MIT) found that not only are the materials in Roman …

Dec 16, 2019 · Although the Ancient Roman Civilization were not the ones to discover concrete, they were the first people to widely use concrete as a building material [8]. The Roman civilization began …

After years of debate, a convergence of new lab work, field studies and microscopic imaging now shows that Roman builders engineered a material that can literally repair itself, explaining why...

May 19, 2025 · Researchers still puzzle over exactly how Roman concrete was made, but they have a few clues, including many of its ingredients and that it is self-healing when it rains.

Dec 22, 2025 · Concrete is made of simple ingredients, but seemingly minor choices in how builders mix those ingredients determine whether a structure crumbles or endures. For centuries, people relied on …

Dec 19, 2025 · Excavations of an ancient construction site in Pompeii have revealed the process of how Romans mixed their self-healing concrete.

At the heart of this technological revolution was Roman concrete, known to the Romans as opus caementicium - a building material so effective that many Roman structures still stand today, nearly …

Jun 21, 2013 · They found that the Romans made concrete by mixing lime and volcanic rock to form mortar. To build underwater structures, this mortar and volcanic tuff were packed into wooden forms.