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  • Open Access

    Ecological Concrete Based on Blast-Furnace Cement with Incorporated Coarse Recycled Concrete Aggregate and Fly Ash Addition

    Wojciech Kubissa1, Roman Jaskulski1, Pavel Reiterman2*

    Journal of Renewable Materials, Vol.5, Suppl.1, pp. 53-61, 2017, DOI:10.7569/JRM.2017.634103

    Abstract This article deals with an experimental study concerning the development of concrete mixtures with significant ecological benefits. The studied concrete mixtures were based on blast-furnace cement, with an additional application of supplementary cementitious materials—fly ash, metakaolin, and silica fume and fluidized fly ash. Coarse aggregate in the form of crushed concrete was applied for all studied concrete mixtures. The experimental program was primarily focused on the assessment of the durability properties of the studied mixtures in terms of mechanical tests, absorption tests, chloride migration coefficient tests, water penetration tests, and accelerated carbonation depth tests. The results obtained showed good potential… More >

  • Open Access


    An Experimental Study on Properties of High-Volume Slag and Fly Ash Cements Incorporating Calcined Oyster Shells Waste

    Ali Naqi, Jeong Gook Jang*

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.21, No.1, pp. 5-5, 2019, DOI:10.32604/icces.2019.05299

    Abstract Concrete construction industry is facing a sustainability issue for a variety of reasons. First, it consumes enormous amounts of natural resources. Second, the primary content in the binder of concrete is Portland cement, which production is one of the major sources of greenhouse gas emissions leading to global warming. Third, durability concerns of concrete structures. To overcome these issues cement is substituted with high volumes of more sustainable cementitious materials such as slag and fly ash. Slag is a by-product of an iron blast furnace while fly ash is a by-product of coal-fired power plants. Both these supplementary cementitious materials… More >

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