<abstract xmlns="http://www.w3.org/1999/xhtml"><p>A method for lightweight-gypsum material design using waste stone dust as the foaming agent is described. The main objective is to reach several physical properties which are inversely related in a certain way. Therefore, a linear optimization method is applied to handle this task systematically. The optimization process is based on sequential measurement of physical properties. The results are subsequently point-awarded according to a complex point criterion and new composition is proposed. After 17 trials the final mixture is obtained, having the bulk density equal to (586 ± 19) kg/m<sup>3</sup> and compressive strength (1.10 ± 0.07) MPa. According to a detailed comparative analysis with reference gypsum, the newly developed material can be used as excellent thermally insulating interior plaster with the thermal conductivity of (0.082 ± 0.005) W/(m·K). In addition, its practical application can bring substantial economic and environmental benefits as the material contains 25 % of waste stone dust.</p></abstract>

A method for lightweight-gypsum material design using waste stone dust as the foaming agent is described. The main objective is to reach several physical properties which are inversely related in a certain way. Therefore, a linear optimization method is applied to handle this task systematically. The optimization process is based on sequential measurement of physical properties. The results are subsequently point-awarded according to a complex point criterion and new composition is proposed. After 17 trials the final mixture is obtained, having the bulk density equal to (586 ± 19) kg/m3 and compressive strength (1.10 ± 0.07) MPa. According to a detailed comparative analysis with reference gypsum, the newly developed material can be used as excellent thermally insulating interior plaster with the thermal conductivity of (0.082 ± 0.005) W/(m·K). In addition, its practical application can bring substantial economic and environmental benefits as the material contains 25 % of waste stone dust.

A Method for Optimizing Lightweight-Gypsum Design Based on Sequential Measurements of Physical Parameters

Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University in Prague, Thákurova, 7/2077, 166 29, Prague 6, Czech Republic

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A method for lightweight-gypsum material design using waste stone dust as the foaming agent is described. The main objective is to reach several physical...

A Method for Optimizing Lightweight-Gypsum Design Based on Sequential Measurements of Physical Parameters

Published Online: Jun 11, 2016

Page range: 160 - 166

Received: Mar 07, 2016

Accepted: May 27, 2016

DOI: https://doi.org/10.1515/msr-2016-0019

Keywords
Lightweight gypsum, waste stone dust, physical properties, optimization, sequential measurement

© 2016 Alena Vimmrová et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A Method for Optimizing Lightweight-Gypsum Design Based on Sequential Measurements of Physical Parameters

Published Online: Jun 11, 2016

Page range: 160 - 166

Received: Mar 07, 2016

Accepted: May 27, 2016

DOI: https://doi.org/10.1515/msr-2016-0019

KeywordsLightweight gypsum, waste stone dust, physical properties, optimization, sequential measurement

© 2016 Alena Vimmrová et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Lightweight gypsum, waste stone dust, physical properties, optimization, sequential measurement