What is it about Roman concrete that keeps the Pantheon and the Colosseum still standing?

The Secrets of Ancient Rome’s Buildings

The Pantheon, a temple to the gods, was completed in A. The temple's dome is still the largest unreinforced concrete dome in the worl.

ancient Roman concrete secrets can revolutionize modern architecture | Roman Temple in Pozzuoli, Bay of Naples, Italy

Ancient Roman Concrete Is About to Revolutionize Modern Architecture

Interesting article on composition of that nearly-indestructible ancient Roman concrete history buffs love so much. But, pretty photo, too! - Roman Temple in Pozzuoli, Bay of Naples, Italy

the ancient Roman concrete combination of limestone, volcanic ash, and seawater required far less heat (which means far less fuel) for solidification...

Roman concrete was a lot greener than the stuff we make today

The core of this thick Roman wall was filled by one of their greatest innovations: concrete.

Researchers discover secret recipe of Roman concrete that allowed it to endure for over 2,000 years | Ancient Origins

Researchers discover secret recipe of Roman concrete that allowed it to endure for over years. Roman concrete was used to construct the magnificent pantheon, which has endured for two millennia.

Ancient Roman Concrete was Far Superior to Our Own.Scientists studying the composition of Roman concrete, which has been submerged under the Mediterranean Sea for the last 2,000 years, have discovered that it was superior to modern-day concrete in terms of durability and being less environmentally damaging. http://ancientufo.org/2014/04/ancient-roman-concrete-was-far-superior-to-our-own/

Roman Seawater Concrete Holds the Secret to Cutting Carbon Emissions

Roman concrete was a lot greener than the stuff we make today #GreenLiving #Environment

Roman concrete was a lot greener than the stuff we make today

Why Roman concrete still stands strong while modern version decays | Science | The Guardian

Why Roman concrete still stands strong while modern version decays

An impression of the pilot lagoon scheme in Swansea Bay (photo: Tidal Lagoon Power)

Roman Concrete

Roman Concrete

Secret Ingredient Of Ancient Roman Concrete To Change Modern Architecture -  [Click on Image Or Source on Top to See Full News]

Secret Ingredient Of Ancient Roman Concrete To Change Modern Architecture - The Tech Journal

What Is The Secret Behind The Durable Roman Concrete

What Is The Secret Behind The Durable Roman Concrete

Old Roman buildings continue to survive after years, even though they are exposed to a variety of weather conditions.

The ancients hand mixed their components (wet lime and volcanic ash) in a mortar box with very little water to give a nearly dry composition; carried it to the job site in baskets placing it over a previously prepared layer of rock pieces; and then proceeded to pound the mortar into the rock layer. Fortunately, we have proof. Vitruvius, the noted Roman architect (cir. 20 BC) mentioned this process in his history formulas for his concrete, plus the fact that special tamping tools were used to…

The Riddle of Ancient Roman Concrete, David Moore, PE - this dam is made of lime and fly ash, a by product of electric power plants

A magnified piece of Roman concrete consisting of lime, volcanic sand, and rock

Researchers discover secret recipe of Roman concrete that allowed it to endure for over years

Why Roman concrete still stands strong while modern version decays | Science | The Guardian

Why Roman concrete still stands strong while modern version decays

Why Roman concrete still stands strong while modern version decays | Science | The Guardian

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