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Article

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Accepted version

Publication date

2013-03

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/34608

Aggregate material formulated with MSWI bottom ash and APC fly ash for use as secondary building material

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http://dx.doi.org/10.1016/j.wasman.2012.09.015

Abstract

The main goal of this paper is to obtain a granular material formulated with Municipal Solid Waste Incinerarion (MSWI) bottom ash (BA) and air pollution control (APC) ash to be used as secondary building material. Previously, an optimum concrete mixture using both MSWI residues as aggregates was formulated. A compromise between the environmental behaviour and the economy of the process was considered. Unconfined compressive strength and abrasion resistance values were measured in order to evaluate the mechanical properties. From these results, the granular mixture was not suited for certain applications owing to the high BA/APC content and low cement percentages used to reduce the costs of the final product. Nevertheless, the leaching test performed showed that the concentrations of all heavy metals were below the limits established by the current Catalan legislation for their reutilization. Therefore, the material studied might be mainly used in embankments, where high mechanical properties are not needed and environmental safety is assured.

Subject

Materials de construcció, Propietats mecàniques, Protecció ambiental, Matèria condensada

Subject (English)

Construction materials, Mechanical properties, Environmental protection, Condensed matter

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Articles publicats en revistes (Ciència dels Materials i Química Física)

Citation

VALLE ZERMEÑO, Ricardo del, et al. Aggregate material formulated with MSWI bottom ash and APC fly ash for use as secondary building material. Waste Management. 2013. Vol. 33, num. 3, pags. 621-627. ISSN 0956-053X. [consulted: 16 of August of 2026]. Available at: https://hdl.handle.net/2445/34608

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