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Tarmacadam is a concrete road surfacing material made by combining tar and macadam (crushed stone and sand), patented by Welsh inventor Edgar Purnell Hooley in 1902. It is a more durable and dust-free enhancement of simple compacted stone macadam surfaces invented by Scottish engineer John Loudon McAdam in the early 19th century.
Macadam is a type of road construction pioneered by Scottish engineer John Loudon McAdam c. 1820, in which crushed stone is placed in shallow, convex layers and compacted thoroughly. A binding layer of stone dust (crushed stone from the original material) may form; it may also, after rolling, be covered with a cement or bituminous binder to ...
John Loudon McAdam, 1830, National Gallery, London. 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.
Asphalt batch mix plant A machine laying asphalt concrete, fed from a dump truck. Asphalt concrete (commonly called asphalt, [1] blacktop, or pavement in North America, and tarmac or bitumen macadam in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. [2]
Further acquisitions came during the 1970s and 1980s. Permanite, Britain's biggest roofing felt manufacturer, and Limmer, a quoted asphalt company, were both purchased during 1971, [13] while the 1973 purchase of Mitchell Construction (which had foundered on the Kariba Dam) strengthened Tarmac's construction division. [14]
Andrew J McGann (August 3, 1925 – February 5, 2008) was an American politician, businessman, and funeral director who served as a Democratic member of the Illinois House of Representatives from 1983 to 1993.
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He founded and owned Casey Laskowski and Sons Funeral Home [2] [6] in the Kelvyn Park neighborhood. [1] He and his family lived above the funeral home. [1] He and his wife, Virginia, had three children. [1] He served as the president of the Polish American Businessmen's Club. He also served on the John Barry School Board.