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    Concept:

    service life prediction

    Principles for service life prediction

    A methodological way to predict the service life of building materials and components, is object of standardization in the ISO draft ¡±Service Life Planning ¨C Part 2: Service Life Prediction Principles¡± (ISO, 1998), which is partially based on the RILEM Technical Recommendation ¡±Systematic Metho-dology for Service Life Prediction of Building Materials and Components¡±. (Master and Brandt, 1989). A prediction according to the standard relies on establishing performance-over-time functions that describe how measured values of some chosen performance characteristic of a material are expected to vary over time. With performance-over-time functions established for the range of in-use conditions considered and agreed performance criteria, all essentials elements are known to complete a service life prediction. The methodology includes identification of required information, the selection or development of exposure programs and evaluation methods, exposure and evaluation, interpretation of data, and reporting of results. It employs an iterative approach that permits improved predictions to be made as the base of knowledge grows. (Nor¨¦n et al, 1998)" [International Organisation for Standardisation (1998) Buildings ¨C Service Life Planning ¨C Part 2: Service Life Prediction Principles, Geneva, ISO/CD 15686 -2.3. Masters, L. W. and Brandt, E (1989) Systematic methodology for service life prediction of building materials and components, RILEM, Materials and structures, Vol. 2 2, pp. 385-392. Nor¨¦n, J., Westerberg, K.,Jernberg, P.,Haagenrud, S.E, and Sj?str?m, C (1998) Service life prediction of buildings and the need for environmental characterisation and mapping, proceedings of the: CIB World Building Congress G?vle 1998.]

    Canada: CS478

    British: BS7543

    CIB/RILEM W80/TC-175

    ASTM: accelerated testing

    1. Japan - Principal Guide for Service Life Planning of Buildings (AIJ 1993)

    2. Great Britain - Guide to Durability of Building and Building Elements, Products

    and Components (BSI 1992)

    3. Canada - Standard S478: Guideline on Durability in Buildings (CSA 1995)




    Web Links (1): Notes
      This link has not been checked.Australian LCA Network
      "Through building an LCA network it is hoped that those who wish to work in the field will be able to build on each others experience and support one another where possible. "

    Related References (11)
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    A holistic approach to materials selection in component design, by Carlsson, B., Virtanen, Y., N?kleby, J.O. and Sandstr?m, R., 2001
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    Assessing the service life of building envelope constructions service life of building envelopes, by Rudbeck, C., 2001
    related to HAM
    Durability control by means of hygrothermal history in building components, by Kurkinen, K. and Hagentoft, C., 2002
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    Durability of wood, by ?deen, K. and J. Nor¨¦n, 1999
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    E632-82(1996) standard practice for developing accelerated tests to aid prediction of the service life of building components and materials, by ASTM, 1996
    a large table in appendix 6
    Guideline for sustainable building, by Bundesministerium f¨¹r Verkehr, Bau-und Wohnungswesen, 2001
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    Methods for designing building envelope components prepared for repair and maintenance, by Rudbeck, C., 1999
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    On using available environmental data in service life estimations, by Westberg, K. Johan Nor¨¦n, H¨¹lya Kus, 2001
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    Predicting current serviceability and residual service life of plywood roof sheathing using kinetics-based models, by Winandy, J.E., Lebow, P.K. and Murphy, J.F, 2002
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    Summary of Research Contributions Related to Moisture Management of Exterior Wall System (MEWS)-- Modeling, Experiments and Benchmarking, by Maref, W., 2002
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    The Belcam Project: a summary of three years of research in service life prediction and information technology, by Vanier, D. J., Kyle, B. R., Kosovac, B., Froese, T. M. and Lounis, Z., 2001



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