Low-cost sensors for determining the variation in interior moisture content in gypsum composite materials

Ferrández Vega, Daniel and Morón Fernández, Carlos and Saiz Sánchez, Pablo and Atanes Sánchez, Evangelina and Yedra, Engerst (2020). Low-cost sensors for determining the variation in interior moisture content in gypsum composite materials. "Materials", v. 13 (n. 5831); pp. 1-20. ISSN 1996-1944. https://doi.org/10.3390/ma13245831.

Description

Title: Low-cost sensors for determining the variation in interior moisture content in gypsum composite materials
Author/s:
  • Ferrández Vega, Daniel
  • Morón Fernández, Carlos
  • Saiz Sánchez, Pablo
  • Atanes Sánchez, Evangelina
  • Yedra, Engerst
Item Type: Article
Título de Revista/Publicación: Materials
Date: December 2020
ISSN: 1996-1944
Volume: 13
Subjects:
Freetext Keywords: Low-cost sensors, Arduino, Non-destructive evaluation, Building materials, Gypsumand plaster
Faculty: E.T.S. de Ingenieros Informáticos (UPM)
Department: Ingeniería de Organización, Administración de Empresas y Estadística
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Non-destructive testing can be used to determine some of the most relevant physical properties of building materials. In this work, two low-cost measuring devices were developed capable of determining the variation in real-time of the percentage of humidity that is produced in the construction of gypsum and plaster during the hardening process. For this, an Arduino resistive sensor and a capacitive sensor of our design were used. The results show how it is possible to determine the variations in mixing water content during the seven days of curing established by the UNE-EN 13279-2 standard as well relate to the mechanical resistance of the test specimens with the same percentage of humidity. Additionally, the study was completed with the determination of the formation of the dihydrate compound linked to this setting process in the test specimens by conducting X-ray diffraction and thermogravimetric analysis tests at different ages of the samples.

More information

Item ID: 66011
DC Identifier: http://oa.upm.es/66011/
OAI Identifier: oai:oa.upm.es:66011
DOI: 10.3390/ma13245831
Official URL: https://www.mdpi.com/1996-1944/13/24/5831
Deposited by: Memoria Investigacion
Deposited on: 09 Feb 2021 07:59
Last Modified: 09 Feb 2021 07:59
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