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As seawater percolated within the tiny cracks in the Roman concrete, it reacted with phillipsite naturally found in the volcanic rock and created aluminous tobermorite crystals. The result is a candidate for "the most durable building material in human history". In contrast, modern concrete exposed to saltwater deteriorates within decades. [17 ...
Opus signinum ('cocciopesto' in modern Italian) is a building material used in ancient Rome. 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 ]
Roman Building: Materials and Techniques (French: La Construction Romaine: matériaux et techniques) is a treatise on Roman construction by French architect and archaeologist Jean-Pierre Adam, first published in 1984. A second edition was published in 1989, and an English translation by Anthony Mathews was published in 1994.
Roman bridges, built by ancient Romans, were the first large and lasting bridges built. [86] Roman bridges were built with stone and had the arch as the basic structure. Most used concrete as well, which the Romans were the first to use for bridges. Roman arch bridges were usually semicircular, although a few were segmental (such as Alconétar ...
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The ancient Roman city of Pompeii was home to up to 20,000 people before it was destroyed in the 79 AD eruption, which was visible from more than 40 kilometers (25 miles) away. More than 2,000 ...
Roman bricks in the Jewry Wall, Leicester. The 20th-century bracing arch in the background utilises modern bricks. Roman brick is a type of brick used in ancient Roman architecture and spread by the Romans to the lands they conquered, or a modern adaptation inspired by the ancient prototypes. Both types are characteristically longer and flatter ...
Roman engineers used inverted siphons to move water across a valley if they judged it impractical to build a raised aqueduct. The Roman legions were largely responsible for building the aqueducts. Maintenance was often done by slaves. [2] The Romans were among the first civilizations to harness the power of water.
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