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      Proposed method of estimating the service life of building envelopes Translated title: Propuesta metodológica para estimación de la vida útil de la envolvente de los edificios

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          Abstract

          The estimation of the service life of the construction elements of a building and its materials is an essential part of drawing up a realistic and economically viable maintenance program. In this regard, this paper presents a methodology to estimate the service life of the construction systems of outer walls and roofs frequently used in modern buildings. The reference document used was the ISO-15686 standard, which proposes an efficient method of estimating service life based on durability factors. However this method was designed for general application and is difficult to apply. Due to the scarce amount of reliable information available on material durability values, it was found necessary to generate a service-life database of the construction elements considered, as well as of their component materials, based on their common degradation mechanisms. Factors that affect durability were also identified and a clear procedure for evaluation was set up. The proposed method, rather than giving accurate information on service life, allows different construction systems to be compared and is thus of assistance in the project design phase. The methodology can also be used as a model for other construction elements and is transferable to other countries.

          Translated abstract

          La estimación de la vida útil de los elementos constructivos de un edificio y de sus materiales, es fundamental para elaborar programas de mantenimiento realistas y viables económicamente. En este sentido, el presente trabajo presenta una propuesta metodológica para estimar la vida útil de fachadas y cubiertas más frecuentes en edificación. El documento referencia utilizado ha sido la norma ISO-15686, que propone un método eficiente para estimar la vida útil, basándose en los factores que afectan a la durabilidad, pero que sin embargo está planteado de forma muy generalista de difícil aplicación. Constatada la escasa información fiable sobre durabilidades de los materiales, ha sido necesario generar una base de datos de vida útil de los elementos constructivos considerados, así como de sus materiales componentes, a partir de los mecanismos de degradación que con más frecuencia pueden afectarles. Asimismo se han identificado factores que afectan a la durabilidad y se ha propuesto un procedimiento claro para su evaluación. El método planteado, más que dar una información precisa sobre la vida útil, permite comparar diferentes sistemas constructivos y facilita al técnico su diseño en fase de proyecto. La metodología puede servir de modelo para otros elementos constructivos o para otros países.

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          Most cited references37

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          Service life estimation of cement-rendered facades

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            Service life prediction of façade paint coatings in old buildings

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              Service life design

              T. Nireki (1996)
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                Author and article information

                Journal
                rconst
                Revista de la construcción
                Revista de la Construcción
                Escuela de Construcción Civil, Pontificia Universidad Católica de Chile (Santiago, , Chile )
                0718-915X
                April 2015
                : 14
                : 1
                : 60-68
                Affiliations
                [03] orgnamePolytechnic University of Valencia orgdiv1School of Architecture orgdiv2Department of Architectural Construction España jfranbr@ 123456csa.upv.es
                [02] orgnamePolytechnic University of Valencia orgdiv1School of Architecture orgdiv2Department of Mechanics of Continuous Media and Structural Theory España apserlan@ 123456mes.upv.es
                [01] Valencia orgnameInstituto Valenciano de la Edificación Spain lortega@ 123456five.es
                Article
                S0718-915X2015000100008 S0718-915X(15)01400100008
                10.4067/S0718-915X2015000100008
                6e64b017-d35a-4d38-8814-57d99f192d2e

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

                History
                : 01 March 2015
                : 01 June 2014
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 26, Pages: 9
                Product

                SciELO Chile


                Método de los factores,Predicción de la vida útil,Factor method,Lesiones constructivas,Construction damage,Vulnerabilidad,Durability,Durabilidad,Vulnerability,Service life prediction

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