Case Studies in Construction Materials (Jul 2024)

Evaluating the fire behaviour of cement-based lightweight materials with textile waste incorporation using a cone calorimeter

  • Leandro Magalhães,
  • Otávio Conde,
  • Luís Mesquita,
  • Ana Briga-Sá,
  • Débora Macanjo Ferreira

Journal volume & issue
Vol. 20
p. e02798

Abstract

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The conscientious utilization of natural resources and the efficient waste management have become a matter of great concern in recent years due to the harmful impacts on the environment. The construction sector presents itself as one of the sectors that most contributes to raw materials consumption and waste generation, demanding the investigation of more sustainable and eco-friendly building materials, where the valorisation of wastes originated from other industries can be promising. Following the sustainability concept in construction materials, this work investigates the potential use of textile waste in cement-based lightweight construction material, evaluating the fire reaction of the material using the cone calorimeter equipment. The samples were tested at three different radiant heat fluxes (35 kW/m², 50 kW/m², 75 kW/m²) to simulate different fire situations. For the highest heat flux, the lightweight construction element with textile waste incorporation showed a Heat Release Rate Average ≤ 18 kW/m², a peak Heat Release Rate Average ≤ 60 kW/m², and a Total Heat Release Average ≤ 33 MJ/m². These results reveal a very satisfactory fire behaviour compared to other materials and show the suitability of using textile waste as lightweight cement-based materials.

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