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  2. Roman concrete - Wikipedia

    en.wikipedia.org/wiki/Roman_concrete

    The Pantheon in Rome is an example of Roman concrete construction. Caesarea harbour: an example of underwater Roman concrete technology on a large scale. 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.

  3. 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 ...

  4. Opus quadratum - Wikipedia

    en.wikipedia.org/wiki/Opus_quadratum

    With the introduction of Roman concrete, continuous outer walls were often constructed, with some blocks laid as headers in order to attach to the inner wall.Tile or marble can be found cemented to such walls, but this was less common for those structures that were particularly load-bearing, such as arches and pillars used for bridges and aqueducts.

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

    www.aol.com/scientists-finally-solved-mystery...

    Calcium is a binding agent in Roman concrete, which makes it remarkably strong. Figuring out where it came from was the key to solving this architectural mystery.

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

    www.aol.com/2-000-years-later-ancient-222152484.html

    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. Opus reticulatum - Wikipedia

    en.wikipedia.org/wiki/Opus_reticulatum

    Opus reticulatum (also known as reticulate work) is a facing used for concrete walls in Roman architecture from about the first century BCE to the early first century CE. [1]: 136–9 [notes 1] They were built using small pyramid shaped tuff, a volcanic stone embedded into a concrete core.

  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. Ancient Roman engineering - Wikipedia

    en.wikipedia.org/wiki/Ancient_Roman_engineering

    Roman bridges were among the first large and lasting bridges ever built. They were built with stone, employing the arch as basic structure. Most utilized concrete as well. Built in 142 BC, the Pons Aemilius, later named Ponte Rotto (broken bridge) is the oldest Roman stone bridge in Rome, Italy.