RESEARCH ARTICLE


Life-time Material Effectiveness Analysis of Building Components



Arto Saari*
Faculty of Engineering and Architecture, Dept. of Structural Engineering and Building Technology, Helsinki University of Technology, Finland.


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© Arto Saari

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Faculty of Engineering and Architecture, Dept. of Structural Engineering and Building Technology, Helsinki University of Technology, Finland. E-mail; arto.saari@tkk.fi


Abstract

The paper compares the life-time material effectiveness of five exterior walls used to build residential buildings. Effectiveness was measured by the MIPS method. The five exterior walls compared were: 1) a precast concrete wall, 2) a brick and concrete wall, 3) a brick and timber wall, 4) a timber wall, and 5) a straw wall. Expected service life of the exterior wall was 100 years. The precast concrete wall will consume about twice as much material over its 100-year lifespan as a wooden wall. The length of the service life of a wall affects the material effectiveness of concrete and brick walls significantly.