Buildings and their elements are designed to be used for a certain period of time (their service life), fulfilling all requirements for which they were designed without excessive maintenance costs. However, buildings begin to deteriorate because the instant they are put into use, they begin to show a progressive loss of performance until they become obsolete, having deteriorated beyond minimal acceptable levels or having failed to meet economic expectations. Nowadays, mostly for economic and environmental reasons, there is a growing concern about the durability and service life of buildings. This paper discusses the service life prediction of natural stone claddings using a Takagi-Sugeno fuzzy model. The models proposed include variables that influence the degradation of the claddings analyzed. To obtain the models proposed, samples of 140 and 203 façades were subjected to meticulous field work to determine their condition. The service life of the samples was also evaluated and the influence of the characteristics of the claddings on degradation was analyzed. This study demonstrates the usefulness of fuzzy systems to evaluate the service life of exterior stone claddings.
Fuzzy Systems in the Service-Life Prediction of Exterior Natural Stone Claddings
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Technical Papers
Fuzzy Systems in the Service-Life Prediction of Exterior Natural Stone Claddings
Abstract
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Journal of Construction Engineering and ManagementDecember 2013
Journal of Construction Engineering and ManagementNovember 2012
Journal of Performance of Constructed FacilitiesFebruary 2019
Authors
Ph.D. Student, Instituto Superior Técnico (IST)–Univ. of Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal (corresponding author). E-mail: [email protected]
Assistant Professor, Institute of Mechanical Engineering (IDMEC)/Associated Laboratory for Energy, Transports and Aeronautics (LAETA), Instituto Superior Técnico (IST)–Univ. of Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal. E-mail: [email protected]
Full Professor, Dept. of Civil Engineering and Architecture, Instituto Superior Técnico (IST)–Univ. of Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal. E-mail: [email protected]
Assistant Professor, Faculty of Architecture, Univ. of Lisbon, R. Sá Nogueira, 1300 Lisbon, Portugal. E-mail: [email protected]
Received: June 19, 2015
Accepted: October 28, 2015
Published online: January 07, 2016
© 2016 American Society of Civil Engineers