Strength and Erosion Resistance of Spinifex Fibre Reinforced Mudbrick

Dongxiu Guo, Ali Rajabipour, Milad Bazli, Cat Kutay, Varuna Sumanasena, Truong Nhat Phuong Pham

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This study assesses the usability of natural materials available in Australia’s remote communities for making fibre-reinforced mudbricks. The present construction cost for housing in remote areas is too high to maintain the level of housing required for the remote Australian population. As this includes mostly First Nations communities, more culturally appropriate housing materials and construction methods are being considered. This study looks at mudbricks made from laterite soil reinforced by spinifex fibre, both available in abundance in remote communities. Hence, this material is more acceptable to communities as it is more sustainable, and the construction methods are more suited for First Nations engagement. Various mixes were tested for compressive strength and erosion resistance. Results suggest that spinifex can significantly improve compressive strength and reduce erosion effects; however, spinifex showed adverse effects at the early stage of the spray test. The results satisfy the minimum strength and erosion resistance requirements for construction and suggest that spinifex-reinforced mudbricks could potentially be considered as an alternative material in remote housing.

Original languageEnglish
Article number39
Pages (from-to)1-15
Number of pages15
Issue number5
Publication statusPublished - May 2024

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