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Reduction of cement content in renderings with fine sanitary ware aggregates

Farinha, C. / de Brito, J. / Veiga, R. / Lucas, J.

Abstract The aim of this research is to present a viable solution for the reduction of cement content in mortars, by recycling a non-biodegradable material, such as grinded sanitary ware fines. This research analysed the reduction of cement content from a volumetric ratio of 1:4 (cement: aggregates) to 1:5 and 1:6 with simultaneous incorporation of fines from sanitary ware waste (SWW). The fines incorporated were below 149 μm and were incorporated as 20 % of the aggregates volume. Several tests were carried out in the fresh and hardened states, namely water retention, flexural and compressive strengths, water absorption by capillarity, permeability to water under pressure and to water vapour and dimensional instability. It was found that the reduction of cement content and incorporation of SWW allowed better performance on most of the tests than that of the reference mortar (1:4 ratio).

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Reduction of cement content in renderings with fine sanitary ware aggregates

Farinha, C. / de Brito, J. / Veiga, R. / Lucas, J.

Abstract The aim of this research is to present a viable solution for the reduction of cement content in mortars, by recycling a non-biodegradable material, such as grinded sanitary ware fines. This research analysed the reduction of cement content from a volumetric ratio of 1:4 (cement: aggregates) to 1:5 and 1:6 with simultaneous incorporation of fines from sanitary ware waste (SWW). The fines incorporated were below 149 μm and were incorporated as 20 % of the aggregates volume. Several tests were carried out in the fresh and hardened states, namely water retention, flexural and compressive strengths, water absorption by capillarity, permeability to water under pressure and to water vapour and dimensional instability. It was found that the reduction of cement content and incorporation of SWW allowed better performance on most of the tests than that of the reference mortar (1:4 ratio).

Reduction of cement content in renderings with fine sanitary ware aggregates

Farinha, C. / de Brito, J. / Veiga, R. / Lucas, J.

Abstract The aim of this research is to present a viable solution for the reduction of cement content in mortars, by recycling a non-biodegradable material, such as grinded sanitary ware fines. This research analysed the reduction of cement content from a volumetric ratio of 1:4 (cement: aggregates) to 1:5 and 1:6 with simultaneous incorporation of fines from sanitary ware waste (SWW). The fines incorporated were below 149 μm and were incorporated as 20 % of the aggregates volume. Several tests were carried out in the fresh and hardened states, namely water retention, flexural and compressive strengths, water absorption by capillarity, permeability to water under pressure and to water vapour and dimensional instability. It was found that the reduction of cement content and incorporation of SWW allowed better performance on most of the tests than that of the reference mortar (1:4 ratio).

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Title:

Reduction of cement content in renderings with fine sanitary ware aggregates

Contributors:

Farinha, C. (author) / de Brito, J. (author) / Veiga, R. (author) / Lucas, J. (author)

Published in:

Materials and Structures ; 49

Publication date:

2015

ISSN:

DOI:

https://doi.org/10.1617/s11527-015-0598-2

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Waste management , Fine aggregate , Cement reduction , Sanitary ware , Rendering mortar , Recycling

Classification:

BKL: 56.45 Baustoffkunde / 51.30 Werkstoffprüfung, Werkstoffuntersuchung
Local classification TIB: 275/6500 / 250/6500

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