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  2. 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.

  3. Earthworks (engineering) - Wikipedia

    en.wikipedia.org/wiki/Earthworks_(engineering)

    Grading (earthworks) – In civil engineering, creating a profile; Spoil tip – Pile built of accumulated spoil; Subgrade – Material underneath a road or track; Terrace (earthworks) – Terrain formed by tiered platforms

  4. Drainage gradient - Wikipedia

    en.wikipedia.org/wiki/Drainage_gradient

    Drainage gradient (DG) is a term in road design, defined as the combined slope due to road surface cross slope (CS) and longitudinal slope (hilliness). Although the term may not be used, the concept is also used in roof design and landscape architecture. If the drainage gradient is too low, rain and melt water drainage will be insufficient.

  5. Soil gradation - Wikipedia

    en.wikipedia.org/wiki/Soil_Gradation

    A poorly graded soil will have better drainage than a well graded soil, [2] if it is not high in clay quality. Soil is graded as either well graded or poorly graded. [3] Soil gradation is determined by analyzing the results of a sieve analysis [4] [5] or a hydrometer analysis. [1]

  6. Grade (slope) - Wikipedia

    en.wikipedia.org/wiki/Grade_(slope)

    This means that for every 4 units (feet or metres) of horizontal distance there is a 1 unit (foot or metre) vertical change either up or down." [3] Any of these may be used. Grade is usually expressed as a percentage - converted to the angle α by taking the inverse tangent of the standard mathematical slope, which is rise / run or the grade ...

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    mail.aol.com

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  8. Geometric design of roads - Wikipedia

    en.wikipedia.org/wiki/Geometric_design_of_roads

    Sag vertical curves are curves which, when viewed from the side, are concave upwards. This includes vertical curves at valley bottoms, but it also includes locations where an uphill grade becomes steeper, or a downhill grade becomes less steep. The most important design criterion for these curves is headlight sight distance. [2]

  9. Zillow predicts hottest housing markets of 2025: See which ...

    www.aol.com/zillow-predicts-hottest-housing...

    Experts from Redfin and Fannie Mae and Pulsenomics LLC told USA TODAY in December they expect a 3.8-4% rise in the median home sale price and a 4.2-5.1% bump in home sales in 2025. They also ...