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Materials 2016, 9(5), 336; doi:10.3390/ma9050336

Parametric Analysis to Study the Influence of Aerogel-Based Renders’ Components on Thermal and Mechanical Performance

Instituto Superior Técnico, University of Lisbon, Lisbon 1049-001, Portugal
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Academic Editor: George Papanicolaou
Received: 19 January 2016 / Revised: 5 April 2016 / Accepted: 21 April 2016 / Published: 4 May 2016
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Abstract

Statistical models using multiple linear regression are some of the most widely used methods to study the influence of independent variables in a given phenomenon. This study’s objective is to understand the influence of the various components of aerogel-based renders on their thermal and mechanical performance, namely cement (three types), fly ash, aerial lime, silica sand, expanded clay, type of aerogel, expanded cork granules, expanded perlite, air entrainers, resins (two types), and rheological agent. The statistical analysis was performed using SPSS (Statistical Package for Social Sciences), based on 85 mortar mixes produced in the laboratory and on their values of thermal conductivity and compressive strength obtained using tests in small-scale samples. The results showed that aerial lime assumes the main role in improving the thermal conductivity of the mortars. Aerogel type, fly ash, expanded perlite and air entrainers are also relevant components for a good thermal conductivity. Expanded clay can improve the mechanical behavior and aerogel has the opposite effect. View Full-Text
Keywords: renders; aerogel; performance; experimental study; parametric analysis; SPSS renders; aerogel; performance; experimental study; parametric analysis; SPSS
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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MDPI and ACS Style

Ximenes, S.; Silva, A.; Soares, A.; Flores-Colen, I.; de Brito, J. Parametric Analysis to Study the Influence of Aerogel-Based Renders’ Components on Thermal and Mechanical Performance. Materials 2016, 9, 336.

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