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Towards the adoption of most suitable green walls within sustainable buildings using interval type-2 fuzzy best-worst method and TOPSIS technique

Sanaz Tabatabaee (Razak Faculty of Technology and Informatics, Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia)
Mojtaba Ashour (Department of Interior Architecture and Environmental Design, Bilkent University, Ankara, Turkey)
Haleh Sadeghi (Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, The University of Manchester, Manchester, UK)
Seyed Amirali Hoseini (Department of Industrial Engineering, Iran University of Science and Technology, Tehran, Iran)
Saeed Reza Mohandes (Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, The University of Manchester, Manchester, UK)
Amir Mahdiyar (School of Housing, Building and Planning, Universiti Sains Malaysia, Penang, Malaysia)
Syuhaida Ismail (Razak Faculty of Technology and Informatics, Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia)
M. Reza Hosseini (Department of Architecture and Built Environment, Deakin University, Melbourne, Australia)

Engineering, Construction and Architectural Management

ISSN: 0969-9988

Article publication date: 8 November 2022

Issue publication date: 1 March 2024

238

Abstract

Purpose

To come up with a prudent decision on the installation of an appropriate green wall (GW) on buildings, this study presents a novel decision-making algorithm. The proposed algorithm considers the importance of barriers hampering GW adoption, as well as their relationships with regard to different types of GWs existing in a contextual setting.

Design/methodology/approach

The proposed methodological approach is based on the integration of qualitative and quantitative techniques by employing focus group discussion, fuzzy-based best-worst method and fuzzy TOPSIS.

Findings

Based on the experiences of qualified experts involved in related projects in Hong Kong, the following conclusions are drawn: (1) cost, installation and maintenance-related barriers are perceived to have the highest importance, (2) modular living wall system is the most suitable GW system for the context of Hong Kong and (3) existing barriers are found to have a pivotal role in the ranking of the most suitable GW systems.

Practical implications

The findings provide valuable insight not only for policymakers and stakeholders, but also for establishing a methodological approach that can assist decision-makers in identifying the most beneficial GW system rather than the most applicable one. This could have significant implications and introduce potential changes to the common way of practice within the industry and lay the foundation for wider adoption of GW.

Originality/value

While previous studies have investigated the sustainability-related issues of GW façade applications, the current body of knowledge is deprived of a comprehensive methodological approach for the selection of the most suitable GW systems.

Keywords

Acknowledgements

This research is financially supported by the project entitled — Postdoc Matching Fund Scheme provided by the Hong Kong Polytechnic University, under the Project Number: 1-W15K.

Citation

Tabatabaee, S., Ashour, M., Sadeghi, H., Hoseini, S.A., Mohandes, S.R., Mahdiyar, A., Ismail, S. and Hosseini, M.R. (2024), "Towards the adoption of most suitable green walls within sustainable buildings using interval type-2 fuzzy best-worst method and TOPSIS technique", Engineering, Construction and Architectural Management, Vol. 31 No. 3, pp. 1145-1164. https://doi.org/10.1108/ECAM-06-2022-0551

Publisher

:

Emerald Publishing Limited

Copyright © 2022, Emerald Publishing Limited

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