Plasterboard and gypsum waste in a novel cementitious binder for road construction

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    Abstract

    Cements are substances which set and harden and can be used to bind other materials together. They are used throughout the construction industry, in a wide variety of applications, such as concrete. Gypsum is a key component in cementitious products and comes from a range of natural and synthetic sources as a by-product of industrial processes. Alternatively, recycled gypsum from waste plasterboard also has the potential to be used in cements. Interest in finding alternatives to landfill for plasterboard and other waste gypsum products has increased with the escalating costs of disposal and their reclassification as non-hazardous non-inert waste. Coventry University in collaboration with Skanska and Lafarge Plasterboard recently undertook a WRAP (Waste and Resources Action Programme) funded research to develop a cost effective novel binder using recycled gypsum from waste plasterboard and a range of mineral wastes for construction of road foundations. This chapter gives details of this investigation on potential use of plasterboard gypsum in combination with a range of mineral wastes in road bases, sub-bases and stabilised sub-grades.
    Original languageEnglish
    Title of host publicationConcrete Materials: Properties, Performance and Applications
    EditorsJ.T. Sentowski
    Place of PublicationHauppauge, N.Y.
    PublisherNova
    Pages1-115
    ISBN (Print)9781607412502
    Publication statusPublished - 2009

    Keywords

    • secondary materials
    • waste re-use
    • gypsum
    • plasterboard
    • cement

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  • Cite this

    Ganjian, E., Sadeghi-Pouya, H., & Claisse, P. A. (2009). Plasterboard and gypsum waste in a novel cementitious binder for road construction. In J. T. Sentowski (Ed.), Concrete Materials: Properties, Performance and Applications (pp. 1-115). Hauppauge, N.Y.: Nova.