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Circularity in Construction
Circularity in Construction
Addressing the climate emergency demands a concentrated effort toward the design of reusable construction components. Among the various strategies, direct reuse stands out for its significant energy savings compared to recycling processes. Within this context, our research group is committed to advancing a comprehensive design methodology that enables the direct reuse of cold-formed steel components, which are prevalent in single-storey structural applications. Furthermore, we are actively developing steel column-base connections that are readily demountable and facilitate repeated reuse.
Team
Dr. JEYABALAN Aswin Kumar | Mr. UMARAJ Ragul | Mr. KALITA Kaustav Kundan
**Publications not currently listed in the online database are welcome to be submitted via email.
Project Objectives:
Evaluate the feasibility of repurposing thin-walled steel structures following buckling failures.
Investigate the relationship between service life extension, frequency of reuse, residual load-carrying capacity, and failure modes.
Facilitate collaboration among key stakeholders in the construction industry to promote and enable the practical implementation of steel structure reuse.
Scientific Publications on Steel Structures Reuse:
1. Reuse limit state: A multi-factor framework for circular steel construction: Foundational concepts and research needs.
Sivaganesh Kanmani Selvaraj and Chan, T-M. (2026).
Journal of Constructional Steel Research, 245, 110471. Link Graphical Abstract
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Sivaganesh Selvaraj and Chan, T-M. (2024).
Journal of Constructional Steel Research, 214, 108439. Link Graphical Abstract
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AKR Jeyabalan, Sivaganesh Kanmani Selvaraj and Chan, T-M. (2024).
Journal of Constructional Steel Research, 109146. Link
CRediT contribution - Jeyabalan, AKR: Conceptualization, Formal analysis, Investigation, Methodology, Validation, Visualization, Writing - original draft; Selvaraj. S. K: Conceptualization, Methodology, Supervision, Writing - review & editing; Tak-Ming Chan: Conceptualization, Project administration, Funding acquisition, Supervision, Writing - review & editing.
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Umaraj, R.R, Sivaganesh Kanmani Selvaraj, Chan, T-M., and Elghazouli, A.Y (2025).
Thin-Walled Structures, 113463. Link Graphical Abstract
CRediT contribution - Umaraj, RR: Formal analysis, Experimental Investigation, Validation, Visualization, Writing - original draft; Selvaraj. S. K: Conceptualization, Formal analysis, Investigation, Formulation or evolution of overarching research goals and aims, Methodology, Validation, Visualization, Project administration, Supervision, Funding Acquisition, Writing - original draft, review & editing; Tak-Ming Chan: Conceptualization, Supervision, Writing - review & editing; Elghazouli, A.Y: Conceptualization, Writing – review & editing.
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Umaraj, R.R, Sivaganesh Kanmani Selvaraj, Chan, T-M., and Elghazouli, A.Y (2025).
Thin-Walled Structures, 113892. Link Graphical Abstract
CRediT contribution - Umaraj, RR: Formal analysis, Experimental Investigation, Validation, Visualization, Writing - original draft; Selvaraj. S. K: Conceptualization, Formal analysis, Investigation, Formulation or evolution of overarching research goals and aims, Methodology, Validation, Visualization, Project administration, Supervision, Funding Acquisition, Writing - original draft, review & editing; Tak-Ming Chan: Conceptualization, Supervision, Writing - review & editing; Elghazouli, A.Y: Conceptualization, Writing – review & editing.
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AKR Jeyabalan, Sivaganesh Kanmani Selvaraj and Chan, T-M. (2025).
Thin-Walled Structures, 114026. Link
CRediT contribution - Jeyabalan, AKR: Conceptualization, Formal analysis, Investigation, Methodology, Validation, Visualization, Writing - original draft; Selvaraj. S. K: Conceptualization, Methodology, Supervision, Writing - review & editing; Tak-Ming Chan: Conceptualization, Project administration, Funding acquisition, Supervision, Writing - review & editing.
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7. Reusability Evaluation of Interlocking Column-Base Connection: An experimental and numerical study.
AKR Jeyabalan, Sivaganesh Kanmani Selvaraj and Chan, T-M. Elghazouli, A.Y (2026).
Thin-Walled Structures, 114656. Link
CRediT contribution - Jeyabalan, AKR: Conceptualization, Formal analysis, Investigation, Methodology, Validation, Visualization, Writing - original draft; Selvaraj. S. K: Conceptualization, Methodology, Supervision, Writing - review & editing; Tak-Ming Chan: Conceptualization, Project administration, Funding acquisition, Supervision, Writing - review & editing; Elghazouli, A.Y: Conceptualization, Writing – review & editing.
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AKR Jeyabalan, Sivaganesh Kanmani Selvaraj and Chan, T-M. Wei Pan (2026).
Thin-Walled Structures, 114666. Link
CRediT contribution - Jeyabalan, AKR: Conceptualization, Formal analysis, Investigation, Methodology, Validation, Visualization, Writing - original draft; Selvaraj. S. K: Conceptualization, Methodology, Supervision, Writing - review & editing; Tak-Ming Chan: Conceptualization, Project administration, Funding acquisition, Supervision, Writing - review & editing; Wei Pan: Conceptualization, Writing – review & editing.
Presentations at International Conference:
1. Directly Reusable Steel Column Base Connection‐Concept and Numerical Investigation.
AK Jeyabalan, Sivaganesh Selvaraj and Chan, T-M. (2023).
Proceedings of the 10th European Conference on Steel and Composite Structures, ce/papers, 6, pp.352 - 357, Amsterdam, Netherlands, 2023.
Presented by AK Jeyabalan - https://doi.org/10.1002/cepa.2419
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2. Embossed Cold-formed Steel Sections for the Applications of Reuse
Sivaganesh Selvaraj and Chan, T-M. (2024).
10th International Conference on Steel and Aluminium Structures - ICSAS, Rio de Janeiro, Brazil, June5-7.
Presented by Selvaraj S.
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Sivaganesh Selvaraj and Chan, T-M. (2025).
Annual Stability Conference Structural Stability Research Council - SSRC, Louisville, Kentucky, USA, April 1-4.
Presented by Selvaraj S. - https://files.ssrcweb.org/proceedings/2025/Selvaraj_Chan_SSRC_2025.pdf
____________________________________________________________________________________________________________________________________________________________4. Numerical Investigation on the Versatility of a Directly Reusable Tubular Column Base Connection
Aswin Kumar Rajakala JEYABALAN, Ragul Revathi UMARAJ, Sivaganesh Kanmani SELVARAJ*, Tak-Ming CHAN and Wei PAN (2025).
19th International Symposium on Tubular Structures (ISTS 19) Hong Kong, China, December 1st – 3rd, 2025.
Presented by AK Jeyabalan
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5. Reusability Analysis for Cold-Formed Unequal-Leg Lipped Angle Steel Columns
Ragul Revathi Umaraj, and Sivaganesh Kanmani SELVARAJ* (2025).
The 12th International Conference on Advances in Steel Structures (ICASS 2025) December 9–12, 2025, Singapore
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6. Numerical Investigations on a Directly Reusable Column Base Connection Subjected to Combined Axial and Lateral Loads
Aswin Kumar Rajakala Jeyabalan, Sivaganesh Kanmani SELVARAJ*, and Tak-Ming CHAN (2025).
The 12th International Conference on Advances in Steel Structures (ICASS 2025) December 9–12, 2025, Singapore
Presented by AK Jeyabalan - https://icass2025.org/wp-content/uploads/2025/11/16_Numerical-Investigations-on-a-Directly-Reusable-Column-Base-Connection-Subjected-to-Combined-Axial-and-Lateral-Loads.pdf
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7. Recommendations for Reuse of Cold-formed Steel Channel Sections - Circular Technologies in Construction
Ragul Revathi UMARAJ, Sivaganesh Kanmani SELVARAJ*, Tak-Ming CHAN and Ahmed Y. ELGHAZOULI (2025).
The 12th International Conference on Advances in Steel Structures (ICASS 2025) December 9–12, 2025, Singapore
Presented by Selvaraj S. - https://icass2025.org/wp-content/uploads/2025/11/262_Recommendations-for-Reuse-of-Cold-formed-Steel-Channel-Sections-Circular-Technologies-in-Construction.pdf
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