Development of a BIM-based system for assessment and optimization of GHG emissions in the early design stage

Name: Thanasak Phittayakorn

Organization : Chulalongkorn University. Faculty of Architecture

Email : 6471004925@student.chula.ac.th

Name: Chavanont Khosakitchalert

Organization : Chulalongkorn University. Faculty of Architecture

Email : Chavanont.k@chula.ac.th

Name: Lapyote Prasittisopin

Organization : Chulalongkorn University. Faculty of Architecture

Email : Lapyote.p@chula.ac.th

keyword: Life cycle assessment

LCSH: Building information modeling

LCSH: Greenhouse gas mitigation

LCSH: Design-build process (Construction industry)

LCSH: Structural optimization

LCSH: Parametric modeling

Abstract: Greenhouse gas (GHG) emissions from the building sector are a significant contributor to global warming due to embodied and operational carbon produced during the entire building design and construction process. While the design process has the potential to effectively reduce GHG emissions, it is crucial for architects to integrate methods for minimizing environmental impact at each stage. Building Information Modeling (BIM) and Life Cycle Assessment (LCA) are widely used tools and methods for evaluating GHG emissions in the building sector. However, in the early design stage, there are numerous uncertainties and a lack of information on materials and processes that make it difficult to evaluate and minimize environmental impact. This research aims to develop a BIM-based system for evaluating and minimizing GHG emissions during the early design stage of a building when it is still in the conceptual mass stage. The focus of the research is on office buildings. The parameters that can be adjusted include the shape of the building, the windows-to-wall ratio (WWR), and the number of floors. The system calculates the GHG emissions and adjusts the parameters until the desired total floor area is reached with the lowest GHG emissions possible. The proposed system was developed using Visual programing in Rhinoceros with Grasshopper plug-in and the Environment Product Declarations (EPDs) database. The results demonstrate that the BIM-based system for conceptual design can effectively assist architects in assessing GHG emissions during the early design stage

King Mongkut's University of Technology North Bangkok. Central Library

Address: BANGKOK

Email: library@kmutnb.ac.th

Created: 2023

Modified: 2024-04-01

Issued: 2024-04-01

บทความ/Article

application/pdf

BibliograpyCitation : In Chulalongkorn University. 5th International Conference on Civil and Building Engineering Informatics (ICCBEI 2023) (pp.184-191). Bangkok : Chulalongkorn University

eng

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