Experimental Characterisation of Adobe Bricks Stabilised with Rice Husk and Lime for Sustainable Construction

Journal article


Ige, O. and Danso, H. (2021). Experimental Characterisation of Adobe Bricks Stabilised with Rice Husk and Lime for Sustainable Construction. Journal of Materials in Civil Engineering, . 34. https://doi.org/10.1061/(ASCE)MT.1943-5533.0004059
AuthorsIge, O. and Danso, H.
Abstract

Provision of affordable construction materials will drastically reduce housing deficit being experienced in the developing countries. This study aimed at investigating the properties of adobe bricks stabilised with rice husk waste and lime on the adobe bricks. Experiment was conducted on adobe bricks of size 140 × 100 × 100mm3 prepared with soil, 0.25 to 1% rice husk waste and 10% lime to carry out a comprehensive assessment of the composite material. The study recorded 62 and 95% improvement, respectively for compressive and tensile strengths at 28-day of rice husk waste and lime stabilised abode bricks over the unstabilised adobe bricks at 0.75% rice husk content. The absorption coefficient of the rice husk and lime stabilised adobe bricks was found to be between 13 and 60% better than the unstabilised adobe bricks. The rice husk adobe bricks with the addition of lime significantly improved the performance of the bricks against the action of erosion. It was also revealed that there was about 71% cost reduction in the production of the adobe bricks as compared with the sandcrete bricks. This study will enhance the effective utilization of rice husk waste in building materials, reduction in the cost of building materials and eventually help to reduce the housing deficit in developing countries by using locally available materials.

KeywordsAdobe bricks, compressive strength, erosion resistance, lime, rice husk, tensile strength.
Year2021
JournalJournal of Materials in Civil Engineering,
Journal citation34
PublisherAmerican Society of Civil Engineers (ASCE)
Digital Object Identifier (DOI)https://doi.org/10.1061/(ASCE)MT.1943-5533.0004059
Publication dates
Print17 Nov 2021
Publication process dates
Accepted04 Jun 2021
Deposited22 Nov 2021
Accepted author manuscript
License
File Access Level
Open
Additional information

This material may be downloaded for personal use only. Any other use requires prior permission of the American Society of Civil Engineers. This material may be found at https://doi.org/10.1061/(ASCE)MT.1943-5533.0004059

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