When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  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. How are ancient Roman and Mayan buildings still standing ...

    www.aol.com/news/ancient-roman-mayan-buildings...

    Today’s builders can’t just copy the ancient recipes. Even though Roman concrete lasted a long time, it couldn't hold up heavy loads: “You couldn’t build a modern skyscraper with Roman ...

  4. 2,000 years later, ancient Roman concrete still stands — and ...

    www.aol.com/news/2-000-years-later-ancient...

    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 ...

  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. 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 ...

  7. Category:Lost inventions - Wikipedia

    en.wikipedia.org/wiki/Category:Lost_inventions

    This category includes inventions with evidence about their feasibility (e.g. Roman concrete), as well as alleged or pseudo-inventions. Subcategories This category has only the following subcategory.

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

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

    For premium support please call: 800-290-4726 more ways to reach us

  9. 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.