Lightweight aggregates coated with colemanite

Alper Bideci , Özlem Salli Bideci , Sabit Oymael , Ali Haydar Gültekin , Hasan Yildirim

Abstract

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

Address

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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