Zaid Alwan
Framework for parametric assessment of operational and embodied energy impacts utilising BIM
Alwan, Zaid; Nawarathna, Amalka; Ayman, Rana; Zhu, Mingyu; ElGhazi, Yomna
Authors
Amalka Nawarathna
Rana Ayman
Mingyu Zhu
Yomna ElGhazi
Abstract
In recent years advances in digital tools have been leading the way in the construction of cleaner, more energy-efficient buildings. Furthermore, improvements in Building Information Modelling (BIM) have resulted in various tools being used to assess building performance and overall Life Cycle Analysis (LCA). This work offers a unique insight into the development of a parametric LCA BIM tool, focusing on both operational and embodied energy perspectives through case study analysis of a commercial and a domestic building in the UK. A mixed research method was employed combining a literature review, qualitative and quantitative LCA case study analysis, and parametric modelling. The results indicate that embodied energy is much more critical in the early stages of the building's life, then is quickly overtaken by operational energy. In addition, many variations exist in energy outputs between domestic and commercial buildings. Operational energy takes a significant share in domestic buildings compared to commercial buildings. These variations are attributed to different design methods, construction materials, occupancy patterns and energy demands. The study proposes an LCA-BIM interactive user-led method of addressing energy hotspots for both operational and embodied elements, which can provide more instant identification of energy critical areas. Such an approach can offer real alternative BIM-based analysis tools during the design stages, compared to those currently being used, which focus mainly on either LCA of operational or embodied energy.
Journal Article Type | Article |
---|---|
Acceptance Date | May 20, 2021 |
Online Publication Date | May 30, 2021 |
Publication Date | 2021-10 |
Deposit Date | Jan 19, 2022 |
Publicly Available Date | Jan 20, 2022 |
Journal | Journal of Building Engineering |
Electronic ISSN | 2352-7102 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 42 |
Article Number | 102768 |
DOI | https://doi.org/10.1016/j.jobe.2021.102768 |
Keywords | Mechanics of Materials; Safety, Risk, Reliability and Quality; Building and Construction; Architecture; Civil and Structural Engineering |
Public URL | https://uwe-repository.worktribe.com/output/8584402 |
Additional Information | This article is maintained by: Elsevier; Article Title: Framework for parametric assessment of operational and embodied energy impacts utilising BIM; Journal Title: Journal of Building Engineering; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.jobe.2021.102768; Content Type: article; Copyright: © 2021 The Author(s). Published by Elsevier Ltd. |
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Framework for parametric assessment of operational and embodied energy impacts utilising BIM
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