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  2. Sandblasting - Wikipedia

    en.wikipedia.org/wiki/Sandblasting

    Sandblasting techniques are used for cleaning boat hulls, as well as brick, stone, and concrete work. Sandblasting is used for cleaning industrial as well as commercial structures, but is rarely used for non-metallic workpieces.

  3. Sharp sand - Wikipedia

    en.wikipedia.org/wiki/Sharp_sand

    Sharp sand, also known as grit sand or river sand and as builders' sand, concrete sand, or ASTM C33 when medium or coarse grain, is a gritty sand used in concrete and potting soil mixes or to loosen clay soil [1] as well as for building projects. It is not cleaned or smoothed to the extent recreational play sand is. It is useful for drainage. [2]

  4. Benjamin Chew Tilghman - Wikipedia

    en.wikipedia.org/wiki/Benjamin_Chew_Tilghman

    Legend has it that Tilghman had seen the effect of wind-blown sand on windows in the desert while a general in the army, and that this was the basis of his sandblasting invention. Around 1870, he invented the Sandblasting process and filed a patent for it in the US (US patent 108,408.

  5. Copper slag - Wikipedia

    en.wikipedia.org/wiki/Copper_slag

    The effect copper slag has on concrete compressive strength was found by performing compressive strength test on various 7- and 28-day concrete mixes. The ratio of copper slag to sand in each mix varied by 20% increments from 0% to 100%. With each mix having a unique amount of copper in it the effects of cooper slag on concrete are observable.

  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. Sand mining - Wikipedia

    en.wikipedia.org/wiki/Sand_mining

    Sand mining is the extraction of sand, mainly through an open pit (or sand pit) [1] [failed verification] [2] but sometimes mined from beaches and inland dunes or dredged from ocean and river beds. [3] Sand is often used in manufacturing, for example as an abrasive or in concrete.

  8. Here’s Why You Shouldn’t Use Salt on Concrete - AOL

    www.aol.com/why-shouldn-t-salt-concrete...

    Michigan Concrete Association: “THE BASICS OF CONCRETE PAVING” G&B Construction : “Why you should Never use Salt on Concrete in Winter” 11 Ice Scrapers With Nearly Perfect Customer Reviews

  9. Sand - Wikipedia

    en.wikipedia.org/wiki/Sand

    Sandblasting: Graded sand serves as an abrasive in cleaning, preparing, and polishing. Silicon: Quartz sand is a raw material for the production of silicon. Thermal weapon: While not in widespread use anymore, sand used to be heated and poured on invading troops in the classical and medieval time periods.

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