Dr.-Ing.

Albrecht, Stefan

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  • Publication
    Integration of land use aspects in LCA: Determination of land use types as a crucial factor influencing the result
    ( 2015)
    Arana, Daniel
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    Bos, Ulrike
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    Liedke, Alexander
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    Knüpffer, Eva
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    Albrecht, Stefan orcid-logo
    ;
    Lindner, Jan Paul orcid-logo
    ;
    Kupfer, Thilo
    In recent years, scientists worldwide have worked successfully on the implementation of land use aspects into Life Cycle Assessment (LCA). However, there are still challenges to be met to get valuable and comparable results when using different land use calculation methods. In order to calculate land use information, land use types have to be determined and distinguished. The Department Life Cycle Engineering at the University of Stuttgart (LBP-GaBi) conducted a study to analyse the influence of the choice of the classfication system and the respective land use types on the soil quality indicators used in LANCA (Land Use Indicator Value Calculation). Various classfication systems like Global Land Cover 2000, GlobCover or the WWF Terrestrial Ecoregions of the World are investigated and analysed with respect to the application for the particular land use types. Finally, based on these findings an approach for a standardized determination o.f land use types is developed.
  • Publication
    Smart models as intelligent assistants in building LCA
    ( 2010)
    Löwe, K.
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    Albrecht, S. orcid-logo
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    Fischer, M.
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    Wittstock, B.
    Life Cycle Assessment (LCA) is one of today's key issues if we look at the environmental performance of building materials, construction components or especially if we discuss about the sustainability of entire buildings. LCA assists in answering questions concerning these topics by using specific software, such as the GaBi 4 software, and by setting up tailored models. The difficulties in designing such tailored models for building LCA are high expenditures of time for modeling, the need for flexibility in assessing conditions and the representation of various building circumstances. In the context of a sustainable certification according to the German Certification for Sustainable Construction (DGNB), a generic built and hierarchical drawn up model for an office building is assembled within the GaBi 4 software. Its structural design complies with the ISO 14040/44 standard, and with the requirements for a sustainable evaluation according to the German Certification for Sustainable Buildings and Construction. As fully parameterized model it was applied in practical certification process for assessing the environmental impacts of the accredited office building and furthermore its applicability was validated. Therefore, the structural assembly of the described model and the flexibility of application for other building types will be demonstrated and discussed, to work out, how a smart model for building LCA may look like.