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  2. Roman concrete - Wikipedia

    en.wikipedia.org/wiki/Roman_concrete

    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 . Many buildings and structures still standing today, such as bridges, reservoirs and aqueducts, were built with this material, which attests to both ...

  3. Opus incertum - Wikipedia

    en.wikipedia.org/wiki/Opus_incertum

    Opus incertum on the Temple of Jupiter Anxur in Terracina, Italy. Opus incertum ("irregular work") was an ancient Roman construction technique, using irregularly shaped and randomly placed uncut stones or fist-sized tuff blocks inserted in a core of opus caementicium.

  4. Ancient Roman architecture - Wikipedia

    en.wikipedia.org/wiki/Ancient_Roman_architecture

    The Roman architectural revolution, also known as the "concrete revolution", [4] [5] [6] was the widespread use in Roman architecture of the previously little-used architectural forms of the arch, vault, and dome. For the first time in history, their potential was fully exploited in the construction of a wide range of civil engineering ...

  5. Scientists Finally Solved the Mystery of Roman Concrete’s ...

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  6. 2,000 years later, ancient Roman concrete still stands — and ...

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    Modern concrete crumbles in decades, but the concrete Colosseum still stands — a mystery that puzzled scientists. 2,000 years later, ancient Roman concrete still stands — and experts finally ...

  7. How are ancient Roman and Mayan buildings still standing ...

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    Starting around 200 BCE, the architects of the Roman Empire were building impressive concrete structures that have stood the test of time — from the soaring dome of the Pantheon to the sturdy ...

  8. Types of concrete - Wikipedia

    en.wikipedia.org/wiki/Types_of_concrete

    In limecrete, lime concrete or roman concrete the cement is replaced by lime. [15] One successful formula was developed in the mid-1800s by Dr. John E. Park . [ 16 ] Lime has been used since Roman times either as mass foundation concretes or as lightweight concretes using a variety of aggregates combined with a wide range of pozzolans (fired ...

  9. Opus signinum - Wikipedia

    en.wikipedia.org/wiki/Opus_signinum

    It is a form of Roman concrete (opus caementicium), the main difference being the addition of small pieces of broken pot, including amphorae, tiles or brick, instead of other aggregates. [1] Its main advantage over opus caementicium was that it is waterproof, the reason for its widespread use in Roman baths , aqueducts, cisterns and any ...

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