Research and development of fire resistance door from kenaf core and cement slurry

Hashim, Nur Hazirah Iffah (2022) Research and development of fire resistance door from kenaf core and cement slurry. Project Report. Melaka, Malaysia, Universiti Teknikal Malaysia Melaka. (Submitted)

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Abstract

In recent years, natural fibres have been one of the most fibres used in many applications due to being available in abundance with lower cost, sustainability, and environmentally friendly compared to synthetic fibres. Thus, this study explored the kenaf core reinforced cement slurry composite for fire resistance door application. The sample of fire resistance doors using kenaf core reinforced cement slurry have been analyzed. The sample size of 360 mm x 250 mm x 40 mm for different sizes of kenaf core 30 mm, 20 mm, 10 mm and 20 mesh (0.84 mm) with varying kenaf core and cement slurry ratios were prepared. The preparation of the composite is by mixing the kenaf core and cement slurry starting with a ratio of 9:1 (cement slurry: kenaf core) and continuously increasing the amount of kenaf core until 7:3 (cement slurry: kenaf core). The composition was poured into a mould with 400 mm x 250 mm x 40 mm. Then, the samples were dried for 7 to 8 hours and proceeded with the curing process to stimulate the cement’s maturity strength for 28 days by being immersed in water. All the samples were cut into standard size using an angle grinder by following the ASTM standard for each mechanical testing.The mechanical tests that will be carried out in this study are compression, three-point flexural, and fire resistance. Scanning electron microscope analysis was done to analyze the characterization of the samples. It was found that the best composition sample using kenaf core size 20 mesh had the potential to improve the mechanical performance of the cement and can withstand a long time in resistance to fire. Hence, using kenaf core reinforced cement slurry had proven to have better performance in fire resistance door application.

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