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  2. Gravel road - Wikipedia

    en.wikipedia.org/wiki/Gravel_road

    The choice of road design standards is a tradeoff between construction costs and haul costs (which the road is designed to reduce). A road that serves only a few stands will be used by relatively few trucks over its lifetime and so it makes sense to save construction costs with a narrow, winding, unpaved road that adds to the time (and haul ...

  3. Chat (mining) - Wikipedia

    en.wikipedia.org/wiki/Chat_(mining)

    Ore production consisted of crushing and grinding the rock to standard sizes and separating the ore. Ore processing was accomplished in either a dry gravity separation or through a wet washing or flotation separation. Dry processes produced a fine gravel waste commonly called "chat."

  4. Types of road - Wikipedia

    en.wikipedia.org/wiki/Types_of_road

    For instance, the Long-Term Pavement Performance database includes more than 30 types of pavement types for roads in the US and Canada. [2] [4] [5] However, a more generic classification of roads based on material type is as follows. [5] [6] Concrete roads; Asphalt roads; Gravel roads; Earthen roads [7] Murrum roads; Kankar roads; Bituminous ...

  5. Paver (vehicle) - Wikipedia

    en.wikipedia.org/wiki/Paver_(vehicle)

    A paver (road paver finisher, asphalt finisher, road paving machine) is a piece of construction equipment used to lay asphalt concrete or Portland cement concrete on roads, bridges, parking lots and other such places. It lays the material flat and provides minor compaction. This is typically followed by final compaction by a road roller.

  6. Grading (earthworks) - Wikipedia

    en.wikipedia.org/wiki/Grading_(earthworks)

    Section through railway track and foundation showing the sub-grade. Grading in civil engineering and landscape architectural construction is the work of ensuring a level base, or one with a specified slope, [1] for a construction work such as a foundation, the base course for a road or a railway, or landscape and garden improvements, or surface drainage.

  7. Galion Iron Works - Wikipedia

    en.wikipedia.org/wiki/Galion_Iron_Works

    The Galion Iron Works Company of Galion, Ohio, was founded by David Charles Boyd and his three brothers in 1907.In its early years, the Galion produced a wide range of road-building and other construction equipment, such as drag scrapers, plows, wagons, stone unloaders, rock crushers, and a variety of other "experimental machines".