A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Production of recycled sand from construction and demolition waste
Highlights ► Mineral processing has been long applied to CDW recycling, although few researches focus on the production of recycled sand. ► The sand fraction originally present in crushed C&D waste represents around 50% of the total waste. ► This paper presents a technology that permits the production of high quality recycled sand. ► The total comminution of C&D waste made possible the production of low porosity recycled sand. ► The change in recycling approach encourages the use of recycled sand as a potential construction material.
Abstract Existing construction waste recycling technologies and standards have long been applied in construction and demolition waste recycling. However, they have been essentially focused on the production and use of coarse recycled aggregates. This paper presents a technology that permits the production of high quality recycled sand. The selective removal with a vertical impact crusher of the cement paste attached to recycled aggregates and the potential improvements in the quality of the recycled sand that is produced were investigated. The results showed that the proposed method permitted the production of low-porosity sand from construction and demolition waste and may contributes to changing the construction recycling model.
Production of recycled sand from construction and demolition waste
Highlights ► Mineral processing has been long applied to CDW recycling, although few researches focus on the production of recycled sand. ► The sand fraction originally present in crushed C&D waste represents around 50% of the total waste. ► This paper presents a technology that permits the production of high quality recycled sand. ► The total comminution of C&D waste made possible the production of low porosity recycled sand. ► The change in recycling approach encourages the use of recycled sand as a potential construction material.
Abstract Existing construction waste recycling technologies and standards have long been applied in construction and demolition waste recycling. However, they have been essentially focused on the production and use of coarse recycled aggregates. This paper presents a technology that permits the production of high quality recycled sand. The selective removal with a vertical impact crusher of the cement paste attached to recycled aggregates and the potential improvements in the quality of the recycled sand that is produced were investigated. The results showed that the proposed method permitted the production of low-porosity sand from construction and demolition waste and may contributes to changing the construction recycling model.
Production of recycled sand from construction and demolition waste
Ulsen, C. (author) / Kahn, H. (author) / Hawlitschek, G. (author) / Masini, E.A. (author) / Angulo, S.C. (author) / John, V.M. (author)
Construction and Building Materials ; 40 ; 1168-1173
2012-01-01
6 pages
Article (Journal)
Electronic Resource
English
Production of recycled sand from construction and demolition waste
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