The influence of natural reinforcement fibers, gypsum and cement on compressive strength of earth bricks materials

•Un-fired earth bricks were made from biocomposites.•The compression and flexural test were done for different samples.•Fibers have greater effect on compression and flexural strength than cement and gypsum. This paper presents an experimental work on the compressive strength of earth bricks in part...

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Published in:Construction & building materials 2016-03, Vol.106, p.179-188
Main Authors: Zak, Philip, Ashour, Taha, Korjenic, Azra, Korjenic, Sinan, Wu, Wei
Format: Article
Language:English
Subjects:
Analysis
Bricks
Cement
Compressive strength
Earth building material
Gypsum
Properties
Reinforcement fibers
Soil stabilization
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creator Zak, Philip
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description •Un-fired earth bricks were made from biocomposites.•The compression and flexural test were done for different samples.•Fibers have greater effect on compression and flexural strength than cement and gypsum. This paper presents an experimental work on the compressive strength of earth bricks in particular the influence of additives. In total 21 different test series are carried out with different composition of earth, cement, gypsum, hemp and flax fibers. The earth material is characterized by geotechnical laboratory tests. The test results indicated that the compressive strength is highly dependent on the density of the bricks. The fibers hemp and flax have rather low impact on the compressive strength of earth bricks, but they have strong influence on the breaking behavior. Cement and gypsum as additive, as they seem to reduce the binding force of the clay minerals, lead to a highly decreased strength.
doi_str_mv 10.1016/j.conbuildmat.2015.12.031
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source Elsevier:Jisc Collections:Elsevier Read and Publish Agreement 2022-2024:Freedom Collection (Reading list)
subjects Analysis
Bricks
Cement
Compressive strength
Earth building material
Gypsum
Properties
Reinforcement fibers
Soil stabilization
title The influence of natural reinforcement fibers, gypsum and cement on compressive strength of earth bricks materials
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