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Assessing economic and environmental performance of infill materials through BIM: a life cycle approach

Zeerak Waryam Sajid (National University of Sciences and Technology, Islamabad, Pakistan)
Shayan Ali Khan (National University of Sciences and Technology, Islamabad, Pakistan)
Fazal Hussain (Department of Engineering, College of Engineering and Computer Science, Texas A&M University-Corpus Christi, Corpus Christi, Texas, USA)
Fahim Ullah (University of Southern Queensland – Springfield Campus, Springfield Central, Australia)
Rao Arsalan Khushnood (National University of Sciences and Technology, Islamabad, Pakistan) (DISEG, Politecnico di Torino, Turin, Italy)
Nancy Soliman (Department of Engineering, College of Engineering and Computer Science, Texas A&M University-Corpus Christi, Corpus Christi, Texas, USA)

Smart and Sustainable Built Environment

ISSN: 2046-6099

Article publication date: 4 July 2024

197

Abstract

Purpose

Infill materials play a pivotal role in determining buildings’ life cycle costing (LCC) and environmental impacts. International standards prescribe LCC and life cycle assessments (LCA) to assess materials’ economic and environmental sustainability. The existing methods of LCC and LCA are tedious and time-consuming, reducing their practical application. This study sought to integrate LCC and LCA with building information modeling (BIM) to develop a swift and efficient approach for evaluating the life cycle performance of infill materials.

Design/methodology/approach

The BIM model for a case study was prepared using Autodesk Revit®, and the study included four infill materials (lightweight aggregate concrete block (LECA), autoclaved cellular concrete (AAC), concrete masonry and bricks). LCC was conducted using Revit® and Autodesk Insight 360® to estimate costs incurred across different project phases. LCA was conducted using “One Click LCA®,” a BIM-based platform featuring a comprehensive material inventory. Carbon emissions, acidification, and eutrophication were chosen as environmental impact factors for LCA.

Findings

LECA was the preferred choice due to its lower cost and environmental impact. Its lifetime cost of $440,618 was 5.4% lower than bricks’, with 2.8% lower CO2 emissions than AAC’s, which were second-place options, respectively. LECA had 6.4 and 27% lower costs than concrete blocks, and AAC’s carbon emissions were 32 and 58% lower than concrete blocks and bricks, respectively.

Originality/value

BIM has been employed for life cycle analysis in existing literature, but its efficacy in evaluating the lifetime costs and environmental impacts of infill materials remains unexplored. The current study presents a BIM-based approach for conducting LCC and LCA of infill materials, facilitating informed decision-making during the planning phase and promoting sustainable construction practices.

Keywords

Citation

Sajid, Z.W., Khan, S.A., Hussain, F., Ullah, F., Khushnood, R.A. and Soliman, N. (2024), "Assessing economic and environmental performance of infill materials through BIM: a life cycle approach", Smart and Sustainable Built Environment, Vol. ahead-of-print No. ahead-of-print. https://doi.org/10.1108/SASBE-11-2023-0341

Publisher

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Emerald Publishing Limited

Copyright © 2024, Emerald Publishing Limited

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