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  2. Decorative concrete - Wikipedia

    en.wikipedia.org/wiki/Decorative_concrete

    Stamped concrete in various patterns, highlighted with acid stain. Decorative concrete is the use of concrete as not simply a utilitarian medium for construction but as an aesthetic enhancement to a structure, while still serving its function as an integral part of the building itself such as floors, walls, driveways, and patios.

  3. Concrete degradation - Wikipedia

    en.wikipedia.org/wiki/Concrete_degradation

    Gypsum is easily washed away in wastewater causing a loss of concrete aggregate and exposing fresh material to acid attack. Concrete floors lying on ground that contains pyrite (iron(II) disulfide) are also at risk. As a preventive measure sewage may be pretreated to increase pH or oxidize or precipitate the sulfides in order to minimize the ...

  4. Biogenic sulfide corrosion - Wikipedia

    en.wikipedia.org/wiki/Biogenic_sulfide_corrosion

    The first barrier is the larger acid neutralizing capacity of calcium aluminate cements vs. ordinary Portland Cement; one gram of calcium aluminate cement can neutralize around 40% more acid than a gram of ordinary Portland cement. For a given production of acid by the biofilm, a calcium aluminate cement concrete will last longer.

  5. Stamped concrete - Wikipedia

    en.wikipedia.org/wiki/Stamped_concrete

    Modern stamped concrete resembling natural wood and stone. Stamped concrete is concrete that has been imprinted, or that is patterned, textured, or embossed to resemble brick, slate, flagstone, stone, tile, wood, or various other patterns and textures. The practice of stamping concrete for various purposes began with the ancient Romans.

  6. Alkali–silica reaction - Wikipedia

    en.wikipedia.org/wiki/Alkali–silica_reaction

    ASTM C1293: "Test Method for Concrete Aggregates by Determination of Length Change of Concrete Due to Alkali-Silica Reaction". It is a long-term confirmation test (1 or 2 years) at 38 °C in a water-saturated moist atmosphere (inside a thermostated oven) with concrete prisms containing the aggregates to be characterised mixed with a high-alkali ...

  7. Cleaning agent - Wikipedia

    en.wikipedia.org/wiki/Cleaning_agent

    Hydrochloric acid is a common mineral acid typically used for concrete. Vinegar can also be used to clean hard surfaces and remove calcium deposits. Sulphuric acid is used in acidic drain cleaners to unblock clogged pipes by dissolving organic materials, like greases, proteins, and even carbohydrate-containing substances such as toilet tissue.

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