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Analysis of the improved water-resistant properties of plaster compounds with the addition of plastic waste

Identifiers
URI: http://hdl.handle.net/20.500.12251/1429
ISSN: 0950-0618
DOI: 10.1016/j.conbuildmat.2019.116956
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Author
Vidales Barriguete, Alejandra; Atanes Sánchez, Evangelina; Río Merino, Mercedes del; Piña Ramírez, Carolina
Date
2020-01
Subject/s

Yeso

Morteros - Construcción

Residuos - Construcción

Reciclaje - Construcción

Ensayos (propiedades o materiales)

Humedad

Permeabilidad al vapor de agua

Propiedades higrotérmicas

Plásticos

Impacto medioambiental

Unesco Subject/s

3312.10 Plásticos

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

2211.02 Materiales Compuestos

Abstract

The aim of this article is to analyse the water-resistant properties of gypsum compounds with plastic cable waste added in order to determine the suitability of their use as an alternative to combat moisture problems in buildings. In the experimental process, test samples were made and subjected to capillary water absorption, water vapour permeability, wet chamber, water-stove cycle and total water absorption tests, and their porosimetry was also studied using the mercury porosimetry test. The results showed a significant decrease in water absorption and retention capacity. This is due in part to the reduced pore volume of the compounds that is achieved without affecting the hygrothermal properties of the gypsum products and keeping their mechanical properties above the minimum values indicated in the regulations. Thus, the material studied is a good alternative to the gypsums currently available on the market to be applied in the areas of buildings most exposed to water and it contributes to reduce environmental impacts. (C) 2019 Elsevier Ltd. All rights reserved.

The aim of this article is to analyse the water-resistant properties of gypsum compounds with plastic cable waste added in order to determine the suitability of their use as an alternative to combat moisture problems in buildings. In the experimental process, test samples were made and subjected to capillary water absorption, water vapour permeability, wet chamber, water-stove cycle and total water absorption tests, and their porosimetry was also studied using the mercury porosimetry test. The results showed a significant decrease in water absorption and retention capacity. This is due in part to the reduced pore volume of the compounds that is achieved without affecting the hygrothermal properties of the gypsum products and keeping their mechanical properties above the minimum values indicated in the regulations. Thus, the material studied is a good alternative to the gypsums currently available on the market to be applied in the areas of buildings most exposed to water and it contributes to reduce environmental impacts. (C) 2019 Elsevier Ltd. All rights reserved.

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