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Analysis of the mechanical behaviour of the cement mortars with additives of mineral wool fibres from recycling of CDW

Identifiers
URI: http://hdl.handle.net/20.500.12251/1430
ISSN: 0950-0618
DOI: 10.1016/j.conbuildmat.2019.03.062
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Author
Piña Ramírez, Carolina; Río Merino, Mercedes del; Viñas Arrebola, Carmen; Vidales Barriguete, Alejandra; Kosior Kazberuk, Marta [et al.]
Date
2019-01
Subject/s

Residuos de Construcción Demolición (RCD)

Lana mineral

Reciclaje - Construcción

Morteros - Construcción

Ensayos (propiedades o materiales)

Impacto medioambiental

Propiedades mecánicas

Cemento

Resistencia a flexión

Resistencia a compresión

Unesco Subject/s

3313.04 Material de Construcción

3308.02 Residuos Industriales

3308.07 Eliminación de Residuos

3312.02 Aglomerantes

3312.08 Propiedades de Los Materiales

3312.12 Ensayo de Materiales

3312.09 Resistencia de Materiales

2211.02 Materiales Compuestos

Abstract

This research analyses the viability of the valuation of mineral wool waste from construction and demolition waste (CDW) as reinforcement of cement matrices. The objective is to analyse the mechanical behaviour of a material composed of a cement mortar matrix to which the aforementioned waste is incorporated. For this purpose, an experimental plan is made in which cement mortar specimens are made with different % of different types of waste, on which Shore D surface hardness, Module of Young, fracture energy, flexural and compressive strength and microscopy tests are carried out, to evaluate their viability as a reinforcement material. The results of the tests show that although the mechanical resistance decreases there is a good connection between the cementitious matrix and the waste resulting in a sustainable alternative to the fibres used today. (C) 2019 Elsevier Ltd. All rights reserved.

This research analyses the viability of the valuation of mineral wool waste from construction and demolition waste (CDW) as reinforcement of cement matrices. The objective is to analyse the mechanical behaviour of a material composed of a cement mortar matrix to which the aforementioned waste is incorporated. For this purpose, an experimental plan is made in which cement mortar specimens are made with different % of different types of waste, on which Shore D surface hardness, Module of Young, fracture energy, flexural and compressive strength and microscopy tests are carried out, to evaluate their viability as a reinforcement material. The results of the tests show that although the mechanical resistance decreases there is a good connection between the cementitious matrix and the waste resulting in a sustainable alternative to the fibres used today. (C) 2019 Elsevier Ltd. All rights reserved.

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