DBPapers

DEVELOPMENT OF FIRE IN A CLT COMPARTMENT AND ITS IMPACT ON FIRE SAFETY OF CABLES

I. Wachter, T. Macdonald, C. G. Putynska, J. H. Medina, J. Martinka
Wednesday 19 December 2018 by Libadmin2018

ABSTRACT

The presented experimental work investigates the development of fire in a compartment made of cross laminated timber (CLT) panels and its impact on fire safety of cables. Impact of protective shielding provided by plasterboards compared to exposed panels thermally loaded by fire inside of a compartment was also examined. During the experiments a fire-technical properties were continually monitored, such as heat release rate, consumption of O2, CO, CO2, time to flash-over, time to termination of flames and temperatures in the compartment, CLT panels in a different depths and on an external façade. It can be stated that CLT panels without plasterboard protection significantly contributed to the severity of the fire, in terms of higher temperatures and heat release rate achieved. Also the maximum cable core temperature at normal operation for signal and control cables with different types of EMC shielding with insulation and sheathing of conventional thermoplastic materials stated by the manufacturer was not substantial and repeatedly exceeded.

Keywords: heat release rate, cables, compartment fire, cross laminated timber panels


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