Using ground granulated blast-furnace slag and mineral wastes to reduce cement in paving block

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    Abstract

    Portland cement production releases carbon dioxide; this has significant adverse effects on the environment and so a reduction in the content of Portland cement in concrete products will improve the carbon footprint. This investigation explored the use of by-product materials and waste in the production of paving blocks. The following materials were examined: ground granulated blast-furnace slag, basic oxygen slag, plasterboard gypsum and cement by-pass dust. Ternary blends were created for different mixes and tested. The tensile strength, skid/slip resistance and freeze/thaw of each paving block specimen were determined in accordance with British Standard BS EN 1338. It was found that about 30% cement replacement was achieved in comparison with current factory production in the UK without having any considerable impact on the strength and durability of the paving blocks. It was also found that a cement mix can contain ground granulated blast-furnace slag up to 55%, basic oxygen slag up to 70%, cement by-pass dust up to 10% and plasterboard gypsum up to 5% by weight.
    Original languageEnglish
    Pages (from-to)91-103
    Number of pages13
    JournalProceedings of the ICE - Construction Materials
    Volume167
    Issue number2
    DOIs
    Publication statusPublished - 1 Apr 2014

    Fingerprint

    Slags
    Minerals
    Cements
    Calcium Sulfate
    Gypsum
    Portland cement
    Dust
    Concrete products
    Oxygen
    Carbon footprint
    Carbon Dioxide
    Byproducts
    Industrial plants
    Carbon dioxide
    Durability
    Tensile strength

    Keywords

    • sustainability
    • concrete technology & manufacture
    • strength and testing of materials

    Cite this

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    title = "Using ground granulated blast-furnace slag and mineral wastes to reduce cement in paving block",
    abstract = "Portland cement production releases carbon dioxide; this has significant adverse effects on the environment and so a reduction in the content of Portland cement in concrete products will improve the carbon footprint. This investigation explored the use of by-product materials and waste in the production of paving blocks. The following materials were examined: ground granulated blast-furnace slag, basic oxygen slag, plasterboard gypsum and cement by-pass dust. Ternary blends were created for different mixes and tested. The tensile strength, skid/slip resistance and freeze/thaw of each paving block specimen were determined in accordance with British Standard BS EN 1338. It was found that about 30{\%} cement replacement was achieved in comparison with current factory production in the UK without having any considerable impact on the strength and durability of the paving blocks. It was also found that a cement mix can contain ground granulated blast-furnace slag up to 55{\%}, basic oxygen slag up to 70{\%}, cement by-pass dust up to 10{\%} and plasterboard gypsum up to 5{\%} by weight.",
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    author = "Ghassan Jalull and Eshmaiel Ganjian and Homayoon Sadeghi-Pouya",
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    T1 - Using ground granulated blast-furnace slag and mineral wastes to reduce cement in paving block

    AU - Jalull, Ghassan

    AU - Ganjian, Eshmaiel

    AU - Sadeghi-Pouya, Homayoon

    PY - 2014/4/1

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    N2 - Portland cement production releases carbon dioxide; this has significant adverse effects on the environment and so a reduction in the content of Portland cement in concrete products will improve the carbon footprint. This investigation explored the use of by-product materials and waste in the production of paving blocks. The following materials were examined: ground granulated blast-furnace slag, basic oxygen slag, plasterboard gypsum and cement by-pass dust. Ternary blends were created for different mixes and tested. The tensile strength, skid/slip resistance and freeze/thaw of each paving block specimen were determined in accordance with British Standard BS EN 1338. It was found that about 30% cement replacement was achieved in comparison with current factory production in the UK without having any considerable impact on the strength and durability of the paving blocks. It was also found that a cement mix can contain ground granulated blast-furnace slag up to 55%, basic oxygen slag up to 70%, cement by-pass dust up to 10% and plasterboard gypsum up to 5% by weight.

    AB - Portland cement production releases carbon dioxide; this has significant adverse effects on the environment and so a reduction in the content of Portland cement in concrete products will improve the carbon footprint. This investigation explored the use of by-product materials and waste in the production of paving blocks. The following materials were examined: ground granulated blast-furnace slag, basic oxygen slag, plasterboard gypsum and cement by-pass dust. Ternary blends were created for different mixes and tested. The tensile strength, skid/slip resistance and freeze/thaw of each paving block specimen were determined in accordance with British Standard BS EN 1338. It was found that about 30% cement replacement was achieved in comparison with current factory production in the UK without having any considerable impact on the strength and durability of the paving blocks. It was also found that a cement mix can contain ground granulated blast-furnace slag up to 55%, basic oxygen slag up to 70%, cement by-pass dust up to 10% and plasterboard gypsum up to 5% by weight.

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    KW - strength and testing of materials

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