Výsledky vyhledávání - "David Otieno Koteng"

Akademický článek

Effect on Sulfuric Acid Resistance and Shrinkage of Concrete Incorporating Processed Bagasse Ash and Silica Fume

Autor: Tareg Abdalla Abdalla, Stanley Muse Shitote, Mohammed Matallah, David Otieno Koteng

Publikováno v: Advances in Civil Engineering, Vol 2024 (2024)

Using ordinary Portland cement (OPC) in concrete has significant environmental and sustainability concerns. Notably, in the production of OPC, large volumes of greenhouse gases are produced, which contribute to global warming, and large amounts of na

Externí odkaz: https://doaj.org/article/8d5e5076f59a4c1ba3c36234a397f1ed

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Akademický článek

Recycling palm oil wastes for the production of a pozzolanic cement replacement material for concrete

Autor: Ahouefa Reine Katte, John Mwero, Mohamed Gibigaye, David Otieno Koteng

Publikováno v: Results in Engineering, Vol 17, Iss , Pp 100903- (2023)

The palm oil industry produces wastes that are harmful to the environment but can be managed. The empty fruit bunch (EFB) and oil palm mesocarp fibres (OPMF) are used as combustibles in Africa. This research focused on identifying the chemical and ph

Externí odkaz: https://doaj.org/article/dbf1ecb8df14485aa1f93b68d9ae1572

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Akademický článek

Mechanical and durability properties of concrete incorporating silica fume and a high volume of sugarcane bagasse ash

Autor: Tareg Abdalla Abdalla, David Otieno Koteng, Stanley Muse Shitote, Mohammed Matallah

Publikováno v: Results in Engineering, Vol 16, Iss , Pp 100666- (2022)

Minimizing the cement amount used to produce concrete significantly reduces non-renewable raw materials, primarily clays and limestone or chalk, used in cement production. Equally reduced is the large amount of energy used in clinker production and C

Externí odkaz: https://doaj.org/article/837540dc13124915834bb6b8276d4dda

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Dissertation/ Thesis

DEVELOPMENT OF HIGH-STRENGTH LIME-POZZOLANA PASTE

Autor: DAVID OTIENO KOTENG

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Limestone which produces lime is available in large quantities in many parts of the world. Continuous formation through the deposit of shells and skeletons of land and marine animals and organisms ensures that it will always be available and

Externí odkaz: http://ndltd.ncl.edu.tw/handle/26218732227464273668

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