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Sustainability 2018, 10(4), 1037; https://doi.org/10.3390/su10041037

Influence of Waste Brick Powder in the Mechanical Properties of Recycled Aggregate Concrete

1
Departamento de Obras Civiles, Universidad de la Frontera, Av. Fco. Salazar, Temuco 01145, Chile
2
Departamento de Ingeniería Civil, Universidad de Alicante, Ap. Correos 99, 03080 Alacant/Alicante, Spain
3
Escuela Superior de Ingeniería y Tecnología (ESIT), Universidad Internacional de La Rioja, Av. de la Paz, 137, 26006 Logroño, La Rioja, Spain
4
Department of Science and Engineering of Matter, Environment and Urban Planning, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy
*
Author to whom correspondence should be addressed.
Received: 9 March 2018 / Revised: 23 March 2018 / Accepted: 28 March 2018 / Published: 31 March 2018
(This article belongs to the Special Issue Sustainable Cementitious Materials for the Construction Industry)
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Abstract

Brick and concrete are the main materials contributing to demolition and construction waste. Considering this precedent, the effects of using both residuals in medium strength concretes are analyzed. Waste brick powder is used as a cement replacement in three different levels: 5%, 10%, and 15%, and it is tested in concretes with no recycled aggregates and concretes with 30% of recycled coarse aggregates replacing natural ones. The compressive strength, the flexural strength, and modulus of elasticity are calculated and compared to a control concrete with no brick powder and no recycled aggregates. The effects of the simultaneous use of both residuals on the physical properties of the recycled concrete are highlighted. Results show that 15% of cement can be replaced by waste brick powder together with 30% of recycled aggregates without suffering significant losses in the strength of the final material when compared to a control concrete. View Full-Text
Keywords: waste brick powder; recycled aggregates; eco-materials; compressive strength; flexural strength; Young’s modulus waste brick powder; recycled aggregates; eco-materials; compressive strength; flexural strength; Young’s modulus
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Letelier, V.; Ortega, J.M.; Muñoz, P.; Tarela, E.; Moriconi, G. Influence of Waste Brick Powder in the Mechanical Properties of Recycled Aggregate Concrete. Sustainability 2018, 10, 1037.

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