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  2. Unified Soil Classification System - Wikipedia

    en.wikipedia.org/wiki/Unified_Soil...

    The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil. The classification system can be applied to most unconsolidated materials, and is represented by a two-letter symbol. Each letter is described below (with the exception of Pt):

  3. Grain size - Wikipedia

    en.wikipedia.org/wiki/Grain_size

    Grain size (or particle size) is the diameter of individual grains of sediment, or the lithified particles in clastic rocks. The term may also be applied to other granular materials . This is different from the crystallite size, which refers to the size of a single crystal inside a particle or grain.

  4. Armourstone - Wikipedia

    en.wikipedia.org/wiki/Armourstone

    Armourstone along the sea wall south of Dawlish Warren (UK) Armourstone is a generic term for broken stone with stone masses between 100 and 10,000 kilograms (220 and 22,050 lb) (very coarse aggregate) that is suitable for use in hydraulic engineering. Dimensions and characteristics for armourstone are laid down in European Standard EN13383. [1]

  5. Soil classification - Wikipedia

    en.wikipedia.org/wiki/Soil_classification

    Soil texture triangle showing the USDA classification system based on grain size. For soil resources, experience has shown that a natural system approach to classification, i.e. grouping soils by their intrinsic property (soil morphology), behaviour, or genesis, results in classes that can be interpreted for many diverse uses.

  6. Understanding eligible expenses for HRAs, QSEHRAs, and ICHRAs

    www.aol.com/understanding-eligible-expenses-hras...

    HRAs, QSEHRAs, and ICHRAS. Understanding the differences in eligible expenses between HRAs, QSEHRAs, and ICHRAs can help businesses determine which type of plan best fits their needs.

  7. Compressed earth block - Wikipedia

    en.wikipedia.org/wiki/Compressed_earth_block

    Standards for foundations are similar to those for brick walls. A CEB wall is heavy. Footings must be at least 10 inches thick, with a minimum width that is 33 percent greater than the wall width. If a stem wall is used, it should extend to an elevation not less than eight inches (200 mm) above the exterior finish grade.

  8. Secret Santa gives thousands of dollars to North Carolina ...

    www.aol.com/secret-santa-gives-thousands-dollars...

    Every year, this anonymous, wealthy businessman travels the country during the holidays, giving away about $100,000 in $100 bills.

  9. Arnold Schwarzenegger looks just like Santa Claus on the set of his upcoming Christmas movie, "The Man with the Bag."