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  2. Culvert - Wikipedia

    en.wikipedia.org/wiki/Culvert

    A culvert is a structure that channels water past an obstacle or to a subterranean waterway. Typically embedded so as to be surrounded by soil, a culvert may be made from a pipe, reinforced concrete or other material. In the United Kingdom, the word can also be used for a longer artificially buried watercourse. [1]

  3. Low-water crossing - Wikipedia

    en.wikipedia.org/wiki/Low-water_crossing

    It consists of an improved surface of gravel, gravel-filled geotextile grid, paving blocks, or concrete slabs positioned to match the slope and elevation of the adjacent waterway and floodplain. To cross somewhat deeper waterways, a type of low water crossing called a vented ford can be constructed with culverts. The size of the culverts (often ...

  4. Storm drain - Wikipedia

    en.wikipedia.org/wiki/Storm_drain

    Storm drain grate on a street in Warsaw, Poland Storm drain with its pipe visible beneath it due to construction work. A storm drain, storm sewer (United Kingdom, U.S. and Canada), highway drain, [1] surface water drain/sewer (United Kingdom), or stormwater drain (Australia and New Zealand) is infrastructure designed to drain excess rain and ground water from impervious surfaces such as paved ...

  5. Prestressed concrete cylinder pipe - Wikipedia

    en.wikipedia.org/wiki/Prestressed_concrete...

    Prestressed concrete cylinder pipe (PCCP) is a common variety of large-diameter concrete pressure pipe used for transporting water and wastewater. PCCP is typical manufactured according to the American Water Works Association (AWWA) standard C304. [ 1 ]

  6. Construction aggregate - Wikipedia

    en.wikipedia.org/wiki/Construction_aggregate

    In Europe, sizing ranges are specified as d/D, where the d shows the smallest and D shows the largest square mesh grating that the particles can pass. Application-specific preferred sizings are covered in European Standard EN 13043 for road construction, EN 13383 for larger armour stone, EN 12620 for concrete aggregate, EN 13242 for base layers of road construction, and EN 13450 for railway ...

  7. Brazil bridge collapses, spilling sulfuric acid into river

    www.aol.com/news/brazil-bridge-collapses...

    The Juscelino Kubitschek de Oliveira Bridge, inaugurated in 1960, was built with reinforced concrete and is part of the BR-226 highway, connecting the federal capital Brasilia to Belem, a northern ...

  8. Stock market today: Indexes end lower as tech slips and bond ...

    www.aol.com/stock-market-today-indexes-end...

    Producer prices rose 0.4% in November, higher than consensus estimates of 0.2%. Declines in Nvidia and Adobe stock weighed on the Nasdaq, while bond yields rose.

  9. Drainage - Wikipedia

    en.wikipedia.org/wiki/Drainage

    High-density polyethylene pipe installation in a storm drain project, Mexico. Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess water. The internal drainage of most agricultural soils can prevent severe waterlogging (anaerobic conditions that harm root growth), but many soils need ...

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