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  2. Stone mastic asphalt - Wikipedia

    en.wikipedia.org/wiki/Stone_mastic_asphalt

    Stone mastic asphalt (SMA), also called stone-matrix asphalt, was developed in Germany in the 1960s with the first SMA pavements being placed in 1968 near Kiel. [1] It provides a deformation-resistant, durable surfacing material, suitable for heavily trafficked roads. SMA has found use in Europe, Australia, the United States, and Canada as a ...

  3. Macadam - Wikipedia

    en.wikipedia.org/wiki/Macadam

    Macadam. An illustration of the first macadamized road in the United States between Boonsboro and Hagerstown in Maryland in 1823; in the foreground, workers are breaking stones "so as not to exceed 6 ounces (170 g) in weight or to pass a two-inch (5 cm) ring". Macadam is a type of road construction pioneered by Scottish engineer John Loudon ...

  4. Bitumen - Wikipedia

    en.wikipedia.org/wiki/Bitumen

    Asphalt concrete is usually placed on top in a road. Asphalt concrete pavement mixes are typically composed of 5% bitumen (known as asphalt cement in the US) and 95% aggregates (stone, sand, and gravel). Due to its highly viscous nature, bitumen must be heated so it can be mixed with the aggregates at the asphalt mixing facility.

  5. Types of road - Wikipedia

    en.wikipedia.org/wiki/Types_of_road

    A road is a thoroughfare, route, or way on land between two places that has been surfaced or otherwise improved to allow travel by foot or some form of conveyance, including a motor vehicle, cart, bicycle, or horse.

  6. Asphalt concrete - Wikipedia

    en.wikipedia.org/wiki/Asphalt_concrete

    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]

  7. Road surface - Wikipedia

    en.wikipedia.org/wiki/Road_surface

    A road being resurfaced using a road roller. Red surfacing for a bicycle lane in the Netherlands. Construction crew laying down asphalt over fiber-optic trench, in New York City. A road surface (British English) or pavement (North American English) is the durable surface material laid down on an area intended to sustain vehicular or foot ...

  8. Construction aggregate - Wikipedia

    en.wikipedia.org/wiki/Construction_aggregate

    Chipseal aggregate on Ellsworth Road in Tomah, Wisconsin. Construction aggregate, or simply aggregate, is a broad category of coarse- to medium-grained particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Aggregates are the most mined materials in the world.

  9. Plastic road - Wikipedia

    en.wikipedia.org/wiki/Plastic_road

    Jamshedpur: Jamshedpur Utility and Services Company (JUSCO), which is a subsidiary company of Tata Steel, constructed a 12–15 km road in the steel city, as well as Tata Steel Works using plastic road, including a nearly 1 km stretch in Ranchi, 500m stretch each in Dhurwa and Morabadi, 3 km of roads in Chas and Jamtara each and 500m stretch in ...