These chemists cracked the code to long-lasting Roman concrete
WEBJan 17, 2023 · Masic and his colleagues were trying to re-create an ancient Roman technique for making concrete, a mix of cement, gravel, sand and water. The researchers suspected that the key was a process...
Roman concrete - Wikipedia
WEBRoman concrete, like any concrete, consists of an aggregate and hydraulic mortar, a binder mixed with water that hardens over time. The composition of the aggregate varied, and included pieces of rock, ceramic tile, lime clasts, and brick rubble from the remains of previously demolished buildings.
We Finally Know How Ancient Roman Concrete Was Able to Last …
WEBFeb 1, 2024 · The ancient Romans were masters of building and engineering, perhaps most famously represented by the aqueducts. And those still functional marvels rely on a unique construction material: pozzolanic concrete, a spectacularly durable concrete that gave Roman structures their incredible strength.
Riddle solved: Why was Roman concrete so durable?
WEBJan 6, 2023 · To prove that this was indeed the mechanism responsible for the durability of the Roman concrete, the team produced samples of hot-mixed concrete that incorporated both ancient and modern formulations, deliberately cracked them, and then ran water through the cracks.
The Secret to Making Concrete That Lasts 1,000 Years | WIRED
WEBFeb 3, 2023 · For decades, researchers have probed samples from Roman concrete structures—tombs, breakwaters, aqueducts, and wharves—to find out why these ancient buildings endure when modern concrete may...
The Secrets of Ancient Roman Concrete - HISTORY
WEBJun 21, 2013 · By analyzing concrete used to build 2,000‑year‑old Roman structures, a team of scientists discovered why it's so durable.
The Secrets of Ancient Rome’s Buildings | Smithsonian
WEBNov 16, 2011 · The formula for Roman concrete also starts with limestone: builders burned it to produce quicklime and then added water to create a paste.
Why 2,000 Year-Old Roman Concrete Is So Much Better Than …
WEBJul 4, 2017 · Researchers led by geologist Marie Jackson from the University of Utah have been chipping away at the mysteries of Roman concrete for years, and now they have mapped its crystalline structure, figuring out precisely how this …
Chemists have unlocked the secrets of long-lasting Roman concrete
WEBApr 13, 2023 · Chemistry. Chemists have unlocked the secrets of long-lasting Roman concrete. Small calcium-rich rocks help cracks in the material heal, experiments show. The Pantheon in Rome, Italy, was built around 126 A.D. from concrete. It still stands today, including its soaring dome (shown). Stephen Knowles Photography/Moment/Getty Images Plus. Share this:
Ancient Roman Concrete - WaterHistory.org
WEBCan we learn from the Romans in some way to improve our concrete? Ancient Roman texts report that Roman concrete consisted of just three parts: a pasty, hydrated lime; pozzolan volcanic ash; and a few pieces of fist-sized rock.