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The fashion at the time was to decorate large gardens with rockeries and grottoes and to form these from plain concrete. For further economy, formed hollow artificial boulders from his ferro-cement (French: "ciment et fer"). He also created small garden pavilions, shaping and carving the concrete surface to imitate the rustic wooden originals.
A fire ring is a construction or device used to contain campfires and prevent them from spreading and turning into wildfires. [citation needed] A fire ring is designed to contain a fire that is built directly upon the ground, such as a campfire. Fire rings have no bottom, and are simply circles made of forged metal, stones, concrete, etc. which ...
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.
An example of a temple made of Roman concrete in the 1st century BC is the Temple of Vesta in Tivoli, Italy. The concrete was made of nothing more than rubble and mortar. It was cheap and very easy to produce and required relatively unskilled labour to use, enabling the Romans to build on an unprecedented scale.
There he introduced a new and substantially stronger cement, using a modified recipe for cement-making, the first "modern" Portland cement. [4] In 1844 Joseph retired, transferring his share of the business to James. James moved to a third site at Ings Road in 1848, and this plant continued in operation until 1900.
Archaeologists working in southern Italy have identified a Roman fortification built to contain the slave revolt leader Spartacus and his army.
The 4,535-tonne (4,463-long-ton; 4,999-short-ton) weight of the Roman concrete dome is concentrated on a ring of voussoirs 9.1 metres (30 ft) in diameter that form the oculus, while the downward thrust of the dome is carried by eight barrel vaults in the 6.4-metre-thick (21 ft) drum wall into eight piers.
Archaeologists recently unearthed an ancient wall that once surrounded a bustling city in the heartlands of China. Large sections of the wall — made from compacted earth — were excavated from ...