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MMWood Environmental risk factor module
University of Gävle, Department of Technology and Built Environment, Ämnesavdelningen för byggnadskvalitet.
2001 (English)In: CIB World Building Congress: Performance in Product and Practice, 2001Conference paper, Published paper (Other (popular science, discussion, etc.))
Abstract [en]

An environmental risk factor assessment module was elaborated as a part of the EU-projectMMWood (ENV-CT98-0796). The Environmental Risk Factor may be an important aid in providingnecessary data for predicting service life for buildings or building elements.The objective of the work package was to provide and synthesise the necessary environmental data forexploiting the service life functions established elsewhere and the methods and models developed inWoodAssess.In WoodAssess (presented at the previous CIB congress in Gävle) the methodology for assessing andmapping environmental risk factors and areas for wood on regional, local, and micro scale in Europewas demonstrated. The methodology is developed further, and more materials used in connection withwooden houses, like stone, bricks, rendering, painted rendering, and painted wood, are now included.Environmental data, as climatic and pollution data are collected for different regions in Europe. Thedata are either from meteorological stations or as geographical data (GIS) from simulation modelsbased on emission data. Meteorological data from measurements are also transformed to geographicalinformation. By use of the environmental data and service life functions the expected service life iscalculated for each object/region and material.A reference situation, defined by cold climate and unpolluted air, is used to calculate the referenceservice lives. From this the percentage reduction in service life can be calculated for eachobject/region and material.By use of the meteorological data, combined with geographical information as topography, sunny andshaded areas, a Scheffer's Climatic Risk Index (SCRI) for potential wood decay was calculated forobjects and regions. Better digital maps combined with models for precipitation, temperature andrelative humidity will form a proper basis for a more detailed modelling of SCRI.In this paper the methods for assessment of environmental data and service life are presented, and theresults as calculated service life and reference levels are included. Service life is presented both assingle values and as geographical information (GIS) on different geographical scales (local andregional scale).

Place, publisher, year, edition, pages
2001.
Identifiers
URN: urn:nbn:se:hig:diva-1999OAI: oai:DiVA.org:hig-1999DiVA: diva2:118661
Conference
CIB World Building Congress, 2nd-6th April 2001, Wellington, New Zealand
Available from: 2007-02-16 Created: 2007-02-16 Last updated: 2012-02-17Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard-cite-them-right
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • sv-SE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • de-DE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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