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  2. Concrete degradation - Wikipedia

    en.wikipedia.org/wiki/Concrete_degradation

    It is the considerable forces internally created by the expansion of the iron corrosion products (about 67 times less dense than metallic iron, so 67 times more voluminous) that cause the cracks in the concrete matrix and destroy reinforced concrete. In the absence of iron (and without some harmful chemical degradation reactions also ...

  3. How to Clean Grout: 8 Ways to Get Your Tiles Sparkling ... - AOL

    www.aol.com/clean-grout-4-ways-tiles-010000278.html

    7. How to Clean Grout with OxiClean. ... You can also use it to remove stains from your grout. OxiClean is a type of oxygen bleach powder—aka sodium percarbonate, a compound of natural soda ...

  4. This $7 Grout Cleaner Is All Over TikTok—Here’s Why - AOL

    www.aol.com/7-grout-cleaner-over-tiktok...

    The post This $7 Grout Cleaner Is All Over TikTok—Here’s Why appeared first on Reader's Digest. If your grout is gross and you hate spending hours scrubbing your bathroom tiles, Zep Grout ...

  5. Caliche - Wikipedia

    en.wikipedia.org/wiki/Caliche

    The deposits contain an average of 7.5% sodium nitrate, as well as sodium sulfate (18.87%), sodium chloride (4.8%), and smaller amounts of potassium, calcium, magnesium, borate, iodine, and perchlorate. About two-thirds of the deposits are insoluble gangue minerals.

  6. Sulfate attack in concrete and mortar - Wikipedia

    en.wikipedia.org/wiki/Sulfate_attack_in_concrete...

    4 ions to precipitate CaSO 4 ·2H 2 O . A fraction of SO 2− 4 ions can also be trapped, or sorbed, into the layered structure of C-S-H. [ 3 ] These successive reactions lead to the precipitation of expansive mineral phases inside the concrete porosity responsible for the concrete degradation, cracks and ultimately the failure of the structure.

  7. Calcium oxide - Wikipedia

    en.wikipedia.org/wiki/Calcium_oxide

    Ground quicklime is used in the production of aerated concrete such as blocks with densities of ca. 0.61.0 g/cm 3 (9.8–16.4 g/cu in). [10] Quicklime and hydrated lime can considerably increase the load carrying capacity of clay-containing soils. They do this by reacting with finely divided silica and alumina to produce calcium silicates ...

  8. Calthemite - Wikipedia

    en.wikipedia.org/wiki/Calthemite

    Degrading concrete has been the focus of many studies and the most obvious sign is calcium-rich leachate seeping from a concrete structure. [5] [6] [7]Calthemite stalactites can form on concrete structures and "artificial caves" lined with concrete (e.g. mines and tunnels) significantly faster than those in limestone, marble or dolomite caves.

  9. Tile drainage - Wikipedia

    en.wikipedia.org/wiki/Tile_drainage

    Boron is an essential micronutrient to plants when its concentration in water is compromised between 0.7 and 3.0 mg/L. The presence of nitrogen at an excessive level is toxic to crops. A concentration of over 30 mg/L could delay crop maturity and result in overgrowth. An adequate pH level should be maintained within the range of 6.5 to 8.4.

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