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Fire resistance of 3D printed concrete composite wall panels exposed to various fire scenarios

Thadshajini Suntharalingam (Mechanical and Construction Department, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK)
Irindu Upasiri (Faculty of Engineering, University of Sri Jayewardenepura, Ratmalana, Sri Lanka)
Perampalam Gatheeshgar (Mechanical and Construction Department, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK)
Keerthan Poologanathan (Mechanical and Construction Department, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK)
Brabha Nagaratnam (Mechanical and Construction Department, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK)
Heshachanaa Rajanayagam (Mechanical and Construction Department, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK)
Satheeskumar Navaratnam (Civil and Infrastructure Engineering Discipline, School of Engineering, RMIT University, Melbourne, Australia)

Journal of Structural Fire Engineering

ISSN: 2040-2317

Article publication date: 15 July 2021

Issue publication date: 17 August 2021

279

Abstract

Purpose

Fire safety of a building is becoming a prominent consideration due to the recent fire accidents and the consequences in terms of loss of life and property damage. ISO 834 standard fire test regulation and simulation cannot be applied to assess the fire performance of 3D printed concrete (3DPC) walls as the real fire time-temperature curves could be more severe, compared to standard fire curve, in terms of the maximum temperature and the time to reach that maximum temperature. Therefore, this paper aims to describe an investigation on the fire performance of 3DPC composite wall panels subjected to different fire scenarios.

Design/methodology/approach

The fire performance of 3DPC wall was traced through developing an appropriate heat transfer numerical model. The validity of the developed numerical model was confirmed by comparing the time-temperature profiles with available fire test results of 3DPC walls. A detailed parametric study of 140 numerical models were, subsequently, conducted covering different 3DPC wall configurations (i.e. solid, cavity and rockwool infilled cavity), five varying densities and consideration of four fire curves (i.e. standard, hydrocarbon fire, rapid and prolong).

Findings

3DPC walls and Rockwool infilled cavity walls showed superior fire performance. Furthermore, the study indicates that the thermal responses of 3DPC walls exposed to rapid-fire is crucial compared to other fire scenarios.

Research limitations/implications

To investigate the thermal behaviour, ABAQUS allows performing uncoupled and coupled thermal analysis. Coupled analysis is typically used to investigate combined mechanical-thermal behaviour. Since, considered 3DPC wall configurations are non-load bearing, uncouple heat transfer analysis was performed. Time-temperature variations can be obtained to study the thermal response of 3DPC walls.

Originality/value

At present, there is limited study to analyse the behaviour of 3DPC composite wall panels in real fire scenarios. Hence, this paper presents an investigation on the fire performance of 3DPC composite wall panels subjected to different fire scenarios. This research is the first attempt to extensively study the fire performance of non-load bearing 3DPC walls.

Keywords

Acknowledgements

The authors would like to acknowledge the financial and technical support of Northumbria University, University of Sri Jayewardenepura, Sri Lanka Institute of Information Technology and RMIT University.

Funding: This research received no external funding.

Conflicts of Interest: The authors declare no conflict of interest.

Citation

Suntharalingam, T., Upasiri, I., Gatheeshgar, P., Poologanathan, K., Nagaratnam, B., Rajanayagam, H. and Navaratnam, S. (2021), "Fire resistance of 3D printed concrete composite wall panels exposed to various fire scenarios", Journal of Structural Fire Engineering, Vol. 12 No. 3, pp. 377-409. https://doi.org/10.1108/JSFE-10-2020-0029

Publisher

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Emerald Publishing Limited

Copyright © 2021, Emerald Publishing Limited

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