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  2. PPC Ltd. - Wikipedia

    en.wikipedia.org/wiki/PPC_Ltd.

    PPC Ltd, a supplier of cement, lime (material) and related products in southern Africa. It has 11 cement factories and a lime manufacturing facility in six African countries including South Africa, Botswana, Democratic Republic of the Congo, Ethiopia, Rwanda and Zimbabwe. The company is headquartered in Sandton (Johannesburg). [1]

  3. List of companies and cities in Africa that manufacture cement

    en.wikipedia.org/wiki/List_of_companies_and...

    "Ghacem" is same as "Ghana Cement", and does not have 97% market share anymore because Buipe plant has been built, and is not really a subsidiary of Scancem, because Scancem is owned by Heidelberg Cement, and has two plants in Ghana : one in Tema, which was upgraded in November 2012 from 1.2 million tons per year to 2.2 Mton/year, and one in ...

  4. Lafarge Africa - Wikipedia

    en.wikipedia.org/wiki/Lafarge_Africa

    A new entity Lafarge Africa was announced in June 2015, the company merged WAPCO of Nigeria's assets with the South African assets of Lafarge. [7] In 2017, Lafarge welded together more holdings in Nigeria when Atlas Cement, Port Harcourt and UNICEM of Calabar were merged with Lafarge Africa.

  5. Category:Cement companies of South Africa - Wikipedia

    en.wikipedia.org/wiki/Category:Cement_companies...

    Pages in category "Cement companies of South Africa" This category contains only the following page. This list may not reflect recent changes. P. PPC Ltd.

  6. Self-healing concrete - Wikipedia

    en.wikipedia.org/wiki/Self-healing_concrete

    [1] [2] Therefore, it is essential to limit the crack's width and repair it as quickly as feasible. Self-healing concrete would not only make the material more sustainable, but it would also contribute to an increase in the service life of concrete structures and make the material more durable and environmentally friendly. [3] [4]

  7. CRH plc - Wikipedia

    en.wikipedia.org/wiki/CRH_plc

    The company's name is an abbreviation of Cement Roadstone Holdings, and was formed through the merger in 1970 of Cement Ltd (established in 1936) and Roadstone Ltd (established in 1949). [2] According to Jonathan Guthrie of the Financial Times, it is pronounced "Cee Orr Haitch". [3] The company went public on the Irish Stock Exchange in 1973. [4]

  8. Concrete degradation - Wikipedia

    en.wikipedia.org/wiki/Concrete_degradation

    The filling of cracks, fissures or voids in concrete for structural purposes (restoration of strength and load-bearing capability), or non-structural reasons (flexible repairs where further movement is expected, or alternately to resist water and gas permeation) typically involves the injection of low viscosity resins or grouts based on epoxy ...

  9. Concrete - Wikipedia

    en.wikipedia.org/wiki/Concrete

    Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, [1] and is the most widely used building material. [2] Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminium combined. [3]

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