Casting of Self-Compacting Concrete

    Research output: Contribution to journalArticle

    21 Citations (Scopus)

    Abstract

    Increased productivity and improved working environment have had high priority in the development of concrete construction over the last decade. Development of a material not needing vibration for compaction—i.e. selfcompacting concrete (SCC)—has successfully met the challenge and is now increasingly being used in routine practice. The key to the improvement of fresh concrete performance has been nanoscale tailoring of molecules for surface active admixtures, as well as improved understanding of particle packing and of the role of mineral surfaces in cementitious matrixes. Fundamental studies of rheological behaviour of cementitious particle suspensions were soon expanded to extensive innovation programmes incorporating applied research, site experiments, instrumented full scale applications supporting technology, standards and guides, information efforts as well as training programmes. The major impact of the introduction of SCC is connected to the production process. The choice and handling of constituents are modified as well as mix design, batching, mixing and transporting. The productivity is drastically improved through elimination of vibration compaction and process reorganisation. The working environment is significantly enhanced through avoidance of vibration induced damages, reduced noise and improved safety. Additionally, the technology is improving performance in terms of hardened material properties like surface quality, strength and durability.
    Original languageEnglish
    Pages (from-to)937-954
    Number of pages18
    JournalMaterials & Structures
    Volume39, No. 10
    Issue number294
    Publication statusPublished - Dec 2006

    Bibliographical note

    Unrecognised author: 'el al.'

    ASJC Scopus subject areas

    • Building and Construction
    • Civil and Structural Engineering
    • Materials Science(all)

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