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Managing choice uncertainties in life-cycle assessment as a decision-support tool for building design : A case study on building framework

Ylmén, Peter LU ; Berlin, Johanna ; Mjörnell, Kristina LU and Arfvidsson, Jesper LU (2020) In Sustainability (Switzerland) 12(12).
Abstract

To establish a circular economy in society, it is crucial to incorporate life-cycle studies, such as life-cycle assessment (LCA), in the design process of products in order to mitigate the well-recognized problem of the design paradox. The aim of the study was to provide means in a structured way to highlight choice uncertainty present in LCA when used as decision support, as well as to mitigate subjective interpretations of the numerical results leading to arbitrary decisions. The study focused on choices available when defining the goal and scope of a life-cycle assessment. The suggested approach is intended to be used in the early design phases of complex products with high levels of uncertainty in the product life-cycle. To... (More)

To establish a circular economy in society, it is crucial to incorporate life-cycle studies, such as life-cycle assessment (LCA), in the design process of products in order to mitigate the well-recognized problem of the design paradox. The aim of the study was to provide means in a structured way to highlight choice uncertainty present in LCA when used as decision support, as well as to mitigate subjective interpretations of the numerical results leading to arbitrary decisions. The study focused on choices available when defining the goal and scope of a life-cycle assessment. The suggested approach is intended to be used in the early design phases of complex products with high levels of uncertainty in the product life-cycle. To demonstrate and evaluate the approach, a life-cycle assessment was conducted of two design options for a specific building. In the case study two types of building frameworks were compared from an environmental perspective by calculating the global warming potential, eutrophication potential, acidification potential, stratospheric ozone depletion potential and photochemical oxidants creation potential. In the study, a procedure named the Decision Choices Procedure (DCP) was developed to improve LCA as an effective tool for decision support concerning design alternatives when less information is available. The advantages and drawbacks of the proposed approach are discussed to spur further improvements in the use of LCA as a decision-support tool.

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Please use this url to cite or link to this publication:
author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Building, Choice, Decision choice procedure, Design, LCA, Life-cycle, Method, Uncertainties
in
Sustainability (Switzerland)
volume
12
issue
12
article number
5130
publisher
MDPI AG
external identifiers
  • scopus:85086914125
ISSN
2071-1050
DOI
10.3390/su12125130
language
English
LU publication?
yes
id
e6b7a489-2825-4198-b184-0f65c27eb156
date added to LUP
2020-07-08 11:49:37
date last changed
2022-04-18 23:25:54
@article{e6b7a489-2825-4198-b184-0f65c27eb156,
  abstract     = {{<p>To establish a circular economy in society, it is crucial to incorporate life-cycle studies, such as life-cycle assessment (LCA), in the design process of products in order to mitigate the well-recognized problem of the design paradox. The aim of the study was to provide means in a structured way to highlight choice uncertainty present in LCA when used as decision support, as well as to mitigate subjective interpretations of the numerical results leading to arbitrary decisions. The study focused on choices available when defining the goal and scope of a life-cycle assessment. The suggested approach is intended to be used in the early design phases of complex products with high levels of uncertainty in the product life-cycle. To demonstrate and evaluate the approach, a life-cycle assessment was conducted of two design options for a specific building. In the case study two types of building frameworks were compared from an environmental perspective by calculating the global warming potential, eutrophication potential, acidification potential, stratospheric ozone depletion potential and photochemical oxidants creation potential. In the study, a procedure named the Decision Choices Procedure (DCP) was developed to improve LCA as an effective tool for decision support concerning design alternatives when less information is available. The advantages and drawbacks of the proposed approach are discussed to spur further improvements in the use of LCA as a decision-support tool.</p>}},
  author       = {{Ylmén, Peter and Berlin, Johanna and Mjörnell, Kristina and Arfvidsson, Jesper}},
  issn         = {{2071-1050}},
  keywords     = {{Building; Choice; Decision choice procedure; Design; LCA; Life-cycle; Method; Uncertainties}},
  language     = {{eng}},
  number       = {{12}},
  publisher    = {{MDPI AG}},
  series       = {{Sustainability (Switzerland)}},
  title        = {{Managing choice uncertainties in life-cycle assessment as a decision-support tool for building design : A case study on building framework}},
  url          = {{http://dx.doi.org/10.3390/su12125130}},
  doi          = {{10.3390/su12125130}},
  volume       = {{12}},
  year         = {{2020}},
}