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  2. Permanente Quarry - Wikipedia

    en.wikipedia.org/wiki/Permanente_Quarry

    This does not consider how much the bulk operations saved in ship-hours or the man-hours necessary in handling the cement. The savings in man-hours probably was twice that of the product. Permanente was the only American company to provide bulk cement. [16] Seven million barrels of Permanente cement was delivered to Contractors, Pacific Naval ...

  3. Marquette Cement Manufacturing Company - Wikipedia

    en.wikipedia.org/wiki/Marquette_Cement...

    On December 22, 1953, Marquette Cement announced it would purchase the Southern States Portland Cement Company and the Superior Cement division of the New York Coal Company. [ 6 ] On January 11, 1961, Marquette Cement shareholders approved plans to acquire North American Cement Corporation of New York for an exchange of stock. [ 7 ]

  4. Cement industry in the United States - Wikipedia

    en.wikipedia.org/wiki/Cement_industry_in_the...

    In 2013, 70.8 percent of portland cement was sold as ready-mix concrete, such as is delivered in cement-mixer trucks. 11.5 percent was sold dry to contractors and construction materials stores; 11.3 percent was sold to manufacturers of concrete products; 4.6 percent was sold for oil and gas wells, and 1.8 percent was sold to government agencies ...

  5. Ash Grove Cement Company - Wikipedia

    en.wikipedia.org/wiki/Ash_Grove_Cement_Company

    It was the largest US-owned cement company until it was acquired in 2018 by CRH plc, a global building materials business headquartered in Ireland. [1] The company was established in 1882 at Ash Grove, Missouri, as the Ash Grove White Lime Association. It commenced cement manufacture in 1908, with a plant at Chanute, Kansas. It now has cement ...

  6. Ready-mix concrete - Wikipedia

    en.wikipedia.org/wiki/Ready-mix_concrete

    Concrete has a limited lifespan between batching / mixing and curing. This means that ready-mixed concrete should be placed within 30 to 45 minutes of the batching process to hold slump and mix design specifications in the US, [15] though in the UK, environmental and material factors, plus in-transit mixing, allow for up two hours to elapse. [16]

  7. Heidelberg Materials - Wikipedia

    en.wikipedia.org/wiki/Heidelberg_Materials

    The enlarged group has activities in over 50 countries with 51,000 employees working at almost 3,000 production sites. Heidelberg Materials operates around 130 cement plants with an annual cement capacity of around 170 million tonnes, around 1,300 ready-mixed concrete production sites, and just under 600 aggregates quarries. [2]

  8. Portland cement - Wikipedia

    en.wikipedia.org/wiki/Portland_cement

    When water is mixed with portland cement, the product sets in a few hours and hardens over a period of weeks. These processes can vary widely, depending upon the mix used and the conditions of curing of the product, [18] but a typical concrete sets in about 6 hours and develops a compressive strength of 8 MPa in 24 hours. The strength rises to ...

  9. Cement - Wikipedia

    en.wikipedia.org/wiki/Cement

    Cement powder in a bag, ready to be mixed with aggregates and water. [1] Cement block construction examples from the Multiplex Manufacturing Company of Toledo, Ohio, in 1905. A cement is a binder, a chemical substance used for construction that sets, hardens, and adheres to other materials to bind them together.

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