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Computers and Concrete
  Volume 19, Number 5, May 2017 , pages 451-455

Lightweight aggregates coated with colemanite
Alper Bideci, Özlem Salli Bideci, Sabit Oymael, Ali Haydar Gültekin and Hasan Yildirim

    Technological advancements in the field of building materials are achieved day by day. In this study, a new lightweight concrete aggregate is produced by mixing certain rates of colemanite (0%, 7.5%, 12.5%, 17.5%), cement and coating the surface of pumice aggregate with this mixture. Thin aggregate sections are analyzed with specific gravity, unit weight, water absorption, impact, and crushing experiments. In this way, the production of cement and cement+colemanite coated lightweight concrete aggregates is investigated and an opinion on the likely behavior of these concrete types is provided.
Key Words
    aggregates/recycled aggregates; cement; construction materials; strengthening; admixtures
Alper Bideci and Özlem Salli Bideci: Department of Architecture, Faculty of Art, Design and Architecture, Duzce University, 81600, Düzce, Turkey
Sabit Oymael: Department of Architecture, Faculty of Engineering and Architecture, İstanbul Arel University, 34537, Istanbul, Turkey
Ali Haydar Gültekin: Department of Geological Engineering, Faculty of Mines, Istanbul Technical University, 34469, Istanbul, Turkey
Hasan Yildirim: Department of Civil Engineering, Faculty of Civil Engineering, Istanbul Technical University, 34469, Istanbul, Turkey

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