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A BIM-Based Method for Analyzing the Trade-Off between Embodied and Operational Energy
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0003-0907-1270
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0003-4843-8936
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0003-2402-1845
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0002-2699-2533
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2017 (English)In: ICCREM 2016: BIM Application and Offsite Construction - Proceedings of the 2016 International Conference on Construction and Real Estate Management 2016 / [ed] Wang Y.,Al-Hussein M.,Shen G.Q.P.,Zhu Y., Reston, VA: American Society of Civil Engineers (ASCE), 2017, p. 59--70Conference paper, Published paper (Refereed)
Abstract [en]

Research indicates that the operational energy and the embodied energy caused by production of building materials off-site (i.e., "cradle-to-gate" embodied energy) contribute to the major part of a building's total energy use, with roughly equal proportions. In addition, it has been reported that there is a trade-off between embodied-and operational energy which is mainly due to the use of additional materials with higher embodied energy and utilization of new appliances for construction of the building (or building of interest). Hence, application of sustainable strategies in early stages of the design phase, which enables evaluation of different design scenarios in terms of materials and systems, can provide a great scope to launch an optimization in the trade-off between embodied-versus operational energy. With respect to early stages of the design phase, Building information modeling (BIM) has become an applicable platform where its recent developments can provide interoperability with energy performance simulation (EPS) tools that enable assessment of the operational energy. However, existing BIM software generally lacks interoperability with conventional life cycle assessment (LCA) tools that are the main means for assessment of the embodied energy. Consequently, embodied energy assessment is often performed when the design has either been accomplished or developed to a relatively detailed level where there is less scope to investigate different design decisions for analyzing the trade-off between embodied-and operational energy. To overcome this obstacle, this paper presents a BIM-based method which strives to reduce the building's life cycle energy (LCE) use by accounting the trade-off between embodied-and operational energy at early stages of the design phase. The method is then exemplified by using an energy-efficient building case, demonstrating the applicability of the method in reducing the building's total energy use and also highlighting the areas where further development is required to address in future research

Place, publisher, year, edition, pages
Reston, VA: American Society of Civil Engineers (ASCE), 2017. p. 59--70
National Category
Construction Management
Research subject
Construction Management and Building Technology
Identifiers
URN: urn:nbn:se:ltu:diva-68064ISI: 000426799100006Scopus ID: 2-s2.0-85048734342ISBN: 9780784480274 (print)OAI: oai:DiVA.org:ltu-68064DiVA, id: diva2:1193327
Conference
2016 International Conference on Construction and Real Estate Management, ICCREM 2016, Edmonton, Canada, 29 September - 1 October 2016
Available from: 2018-03-26 Created: 2018-03-26 Last updated: 2018-08-13Bibliographically approved

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Shadram, FarshidMukkavaara, JaniSchade, JuttaSandberg, MarcusOlofsson, Thomas
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