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Paul Cottancin was born in Reims in 1865. [1] He studied engineering at the École centrale des arts et manufactures. [2] He received a diploma from the École Centrale in 1886, and filed his first patent in March 1889 for a type of metal frame for reinforced cement or other reinforced materials. [3]
Robotic Hydrodemolition in Ystad, Sweden. Hydrodemolition of concrete exposing the rebar.. Hydrodemolition (also known as hydro demolition, hydroblasting, hydro blasting, hydromilling, waterblasting, and waterjetting) is a concrete removal technique which utilizes high-pressure water, often containing an abrasive material, to remove deteriorated and sound concrete as well as asphalt and grout.
Joseph Monier (French:; 8 November 1823, Saint-Quentin-la-Poterie, France – 13 March 1906, Paris) was a French gardener and one of the principal inventors of reinforced concrete. Overview [ edit ]
Plaster can be relatively easily worked with metal tools and sandpaper and can be moulded, either on site or in advance, and worked pieces can be put in place with adhesive. Plaster is suitable for finishing rather than load-bearing, and when thickly applied for decoration may require a hidden supporting framework.
Joseph-Louis Lambot (born 22 May 1814 in Montfort sur Argens; died 2 August 1887 in Brignoles), is the inventor of ferro-cement, which led to the development of what is now known as reinforced concrete. He studied in Paris, where his uncle Baron Lambot was aide-de-camp to the Duke of Bourbon.
The plaster sets, usually in about 15 minutes, and the pattern is removed. The mold is then baked, between 120 °C (248 °F) and 260 °C (500 °F), to remove any excess water. The dried mold is then assembled, preheated, and the metal poured. Finally, after the metal has solidified, the plaster is broken from the cast part.