<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>A masonry basement wall was heavily dampened due to the lack of waterproofing in the ground contact area. Internal sand-lime wall plaster samples were subjected to chemical, physical and strength tests. The main phases of the damaged plaster were quartz and calcite. A measuring method of the tensile strength of plasters was proposed. A polar-symmetric deformation problem of a thick-walled spherical tank, allowing for the estimation of circumferential stresses in the spherical model was used for the analysis. It was found that the same values of porosity correspond to identical values of circumferential stresses, regardless of the values of the radii of the analyzed model. Thus the purpose of the presented research was to demonstrate that the mentioned dependence applied in the adopted model may be useful for the analysis of problems involving the resistance of internal plaster structure to the expansion caused by crystallization pressure.</p>
</abstract>

A masonry basement wall was heavily dampened due to the lack of waterproofing in the ground contact area. Internal sand-lime wall plaster samples were subjected to chemical, physical and strength tests. The main phases of the damaged plaster were quartz and calcite. A measuring method of the tensile strength of plasters was proposed. A polar-symmetric deformation problem of a thick-walled spherical tank, allowing for the estimation of circumferential stresses in the spherical model was used for the analysis. It was found that the same values of porosity correspond to identical values of circumferential stresses, regardless of the values of the radii of the analyzed model. Thus the purpose of the presented research was to demonstrate that the mentioned dependence applied in the adopted model may be useful for the analysis of problems involving the resistance of internal plaster structure to the expansion caused by crystallization pressure.

Analysis of the Degradation Process of Sand-Lime Plasters Under the Impact of Crystallization Pressure

Architecture, Civil Engineering, Environment

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

A masonry basement wall was heavily dampened due to the lack of waterproofing in the ground contact area. Internal sand-lime wall plaster samples were...

Analysis of the Degradation Process of Sand-Lime Plasters Under the Impact of Crystallization Pressure

Online veröffentlicht: 20. Juli 2023

Seitenbereich: 137 - 149

Eingereicht: 26. Apr. 2022

Akzeptiert: 01. März 2023

DOI: https://doi.org/10.2478/acee-2023-0023

Schlüsselwörter
Plaster, Pore structure, Salinity, Spherical model, Crystallization pressure, Tensile strength

© 2023 Jan Ślusarek et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Analysis of the Degradation Process of Sand-Lime Plasters Under the Impact of Crystallization Pressure

Online veröffentlicht: 20. Juli 2023

Seitenbereich: 137 - 149

Eingereicht: 26. Apr. 2022

Akzeptiert: 01. März 2023

DOI: https://doi.org/10.2478/acee-2023-0023

SchlüsselwörterPlaster, Pore structure, Salinity, Spherical model, Crystallization pressure, Tensile strength

© 2023 Jan Ślusarek et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Schlüsselwörter
Plaster, Pore structure, Salinity, Spherical model, Crystallization pressure, Tensile strength