John Loudon McAdam - Wikipedia
John Loudon McAdam (23 September 1756 [1] – 26 November 1836) was a Scottish civil engineer and road-builder. He invented a new process, "macadamisation", for building roads with a smooth hard surface, using controlled materials of mixed particle size and predetermined structure, that would be more durable and less muddy than soil -based tracks.
John Loudon McAdam | Road builder, engineer, innovator
2024年11月22日 · John Loudon McAdam (born Sept. 21, 1756, Ayr, Ayrshire, Scot.—died Nov. 26, 1836, Moffat, Dumfriesshire) was a Scottish inventor of the macadam road surface. In 1770 he went to New York City, entering the countinghouse of a merchant uncle; he returned to Scotland with a considerable fortune in 1783. There he purchased an estate at Sauhrie ...
John Loudon McAdam: The Father of the Modern Road
2021年4月5日 · John Loudon McAdam was a pioneering Scottish engineer who almost single-handedly changed the way roads were built around the world. His innovative shallow camber, crushed, compacted stone...
John Loudon McAdam Changed Roads Forever - ThoughtCo
2019年2月6日 · McAdam discovered that the best stone or gravel for road surfacing had to be broken or crushed, and then graded to a constant size of chippings. McAdam's design, called "MacAdam roads" and then simply “macadam roads,” represented a revolutionary advancement in road construction at the time.
John Loudon McAdam - ASCE
McAdam's name became synonymous with the process of roadway construction, and his robust, cost-effective road designs complimented the canal systems developed throughout the British Isles during the industrial revolution. John Loudon McAdam was born in Ayshire, Scotland, on September 21, 1756.
John Loudon McAdam: Biography on Undiscovered Scotland
John Loudon McAdam lived from 21 September 1756 to 26 November 1836. A member of a minor branch of Ayrshire nobility, he made his fortune in the United States before returning to Scotland and developing an interest in road construction.
John Loudon McAdam - Students | Britannica Kids | Homework …
Scottish inventor John Loudon McAdam was noted for his road-making innovations. He invented the macadam road surface, a process that was quickly adopted in other countries, notably the United States. McAdam was born on September 21, 1756, in Ayr, Ayrshire, Scotland.
John Loudon Mcadam - Encyclopedia.com
McAdam, John Loudon (1756–1836) Scottish engineer who invented the macadam road surface. McAdam proposed that roads should be raised above the surrounding ground, with a base of large stones covered with smaller stones and bound together with fine gravel.
John Loudon MacAdam - Electric Scotland
For many years past now all first-class roads have been spoken of as "macadam" roads. The word sounds familiar enough to anyone, but the name of John Loudon McAdam, who transformed the roads of the world, and whose name has thus become a household word, still remains comparatively unknown.
John Loudon McAdam - Future Museum
Famous as an engineer and road-builder, he both invented and pioneered a new and improved method for constructing roads which were smooth, hard-wearing and less likely to become muddy tracks than the existing roads of his day. This new process became known as "macadamisation" and was used throughout the world.
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