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Relative importance of pathologies in the severity of facade degradation

Relative importance of pathologies in the severity of facade degradation The facade is the main protective barrier against the atmospheric agents acting in a building. Many times, as a result of these agents, the facade manifests pathologies that lead to the loss of performance of the external wall claddings. This article aims to establish and score the importance of the pathologies involved in the cement mortars rendering. The probable causes and the influence on the performance decrease over time are analyzed. The methodology is based on the survey and mapping of the pathologies observed in field survey, correlating these pathologies with probable causes and implications for the system performance. Among the active pathologies, cracks had both a higher intensity of occurrence and a greater gravity compared to the others. Some pathologies, such as detachment and efflorescence, although of great importance in the degradation, are little observed in the studied buildings. As a result, is presented a scale of importance of pathologies, which has great application for the development of facade degradation models. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Building Pathology and Rehabilitation Springer Journals

Relative importance of pathologies in the severity of facade degradation

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References (26)

Publisher
Springer Journals
Copyright
Copyright © 2020 by Springer Nature Switzerland AG
Subject
Engineering; Building Repair and Maintenance; Structural Materials; Engineering Thermodynamics, Heat and Mass Transfer; Energy Efficiency; Building Materials
ISSN
2365-3159
eISSN
2365-3167
DOI
10.1007/s41024-020-0072-6
Publisher site
See Article on Publisher Site

Abstract

The facade is the main protective barrier against the atmospheric agents acting in a building. Many times, as a result of these agents, the facade manifests pathologies that lead to the loss of performance of the external wall claddings. This article aims to establish and score the importance of the pathologies involved in the cement mortars rendering. The probable causes and the influence on the performance decrease over time are analyzed. The methodology is based on the survey and mapping of the pathologies observed in field survey, correlating these pathologies with probable causes and implications for the system performance. Among the active pathologies, cracks had both a higher intensity of occurrence and a greater gravity compared to the others. Some pathologies, such as detachment and efflorescence, although of great importance in the degradation, are little observed in the studied buildings. As a result, is presented a scale of importance of pathologies, which has great application for the development of facade degradation models.

Journal

Journal of Building Pathology and Rehabilitation – Springer Journals

Published: Dec 1, 2020

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