Heat release and flame propagation in prefabricated modular unit with GFRP composite facades

Ngo, T, Nguyen, T and Tran, P 2016, 'Heat release and flame propagation in prefabricated modular unit with GFRP composite facades', Building Simulation, vol. 9, no. 5, pp. 607-616.


Document type: Journal Article
Collection: Journal Articles

Title Heat release and flame propagation in prefabricated modular unit with GFRP composite facades
Author(s) Ngo, T
Nguyen, T
Tran, P
Year 2016
Journal name Building Simulation
Volume number 9
Issue number 5
Start page 607
End page 616
Total pages 10
Publisher Tsinghua University Press
Abstract Prefabrication of modular residential and office units involves rapid manufacturing various building components off-site from different choices of materials, and transportation to construction site for the complete assembly. While this prefabrication manufacturing process could reduce construction costs, time and waste by using lightweight composite modules (LCM), significant challenge is associated with fire performance of an office modular unit using the modular units. This work aims at investigating the fire performance of a modular office unit using the LCM in terms of heat release rate and temperature history and compared with the traditional office unit model using glazing facade. The heat release and flame propagations in a selected prefabricated modular office unit are simulated with computational fluid dynamic (CFD) taking into account the complexity of the materials systems and the influences of the facade. The numerical procedure combining pyrolysis analysis of the composite sandwiches and the fire dynamic simulation of the combustion process is developed. The computational model is validated with thermal responses obtained from the cone calorimetry experiments. Kinetic parameters obtained from the TGA tests and pyrolysis analysis are used as inputs for the models measuring the fire growth index and total heat release. A multilayer sandwich composite material model is proposed to simulate the thermal responses and combustion processes of the prefabricated unit envelop. Temperatures at critical locations of the units are captured and compared with the standard fire curve to reveal the significant improvement in the fire performance of the office modular unit utilising GFRP composite.
Subject Composite and Hybrid Materials
Numerical Modelling and Mechanical Characterisation
Solid Mechanics
Keyword(s) Building facade
Fire
GFRP
Heat release rate
Prefabricated modular building
DOI - identifier 10.1007/s12273-016-0294-3
Copyright notice © 2016, Tsinghua University Press and Springer-Verlag Berlin Heidelberg.
ISSN 1996-3599
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