安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Macadam - Wikipedia
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
- What Is Macadam Road – Types, Uses, Benefits - Civil Tutorials
A macadam road is a type of roadway built by laying and compacting layers of small, angular stones The name comes from John Loudon McAdam, the Scottish engineer who invented the technique in the early 19th century
- Macadam | Paving, Asphalt Gravel | Britannica
McAdam’s road cross section was composed of a compacted subgrade of crushed granite or greenstone designed to support the load, covered by a surface of light stone to absorb wear and tear and shed water to the drainage ditches
- macadam - Wiktionary, the free dictionary
Named after Scottish engineer John Loudon McAdam (1756–1836), who invented the process of macadamization Used for describing road surfaces originally constructed using the McAdam method, but now sometimes used for any road or street
- MACADAM Definition Meaning - Merriam-Webster
His invention revolutionized road construction and transportation, and engineers and the public alike honored him by using his name (respelled macadam) as a generic term for the material or pavement made from it
- Macadam
Macadam is a type of road construction pioneered by the Scotsman John Loudon McAdam in around 1820 The method simplified what had been considered state - of - the - art at that point
- MACADAM - Encyclopedia Dubuque
Macadam was once a popular road-surfacing material made of crushed rock and oil The surface was used first on Iowa Street in the late 1800s The invention of the construction method belonged to John Loudon McAdam (Ayr, Ayrshire, Scotland, Sept 21, 1756--Moffat, Dumfriesshire, Scotland)
- Tarmacadam - Wikipedia
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
|
|
|