Behaviour of oil palm broom fibres (OPBF) reinforced concrete

Momoh, Emmanuel Owoichoechi; Osofero, Adelaja Israel

doi:10.1016/j.conbuildmat.2019.06.118

Cited by 53 publications

(32 citation statements)

References 40 publications

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“…Similar constitutive relationship for oil palm broom fibres reinforced concrete has been proposed by Momoh et al [47].…”

Section: Response Surface Models Of Soil Brick Propertiessupporting

confidence: 77%

“…The success of regression analysis lies in the adequacy of the fitted model to predict values close to the observed data values. Two statistical coefficients, Root Mean Square Error (RMSE) and coefficient of determination (R 2 ), were used to assess how well the developed response models predict the behaviour of reinforced soil bricks, including its compressive strength (fc), tensile strength (ft), bulk density (BD) and water absorption (WA) similar to Momoh et al [47].…”

Section: Response Surface Models Of Soil Brick Propertiesmentioning

confidence: 99%

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Constitutive models for fibre reinforced soil bricks

Salih

Osofero

Imbabi

2020

Construction and Building Materials

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In this paper, the physical, durability and mechanical properties of soil bricks reinforced with chicken feather fibres (CFF) and sugarcane bagasse fibres (SBF) were studied. The adopted optimum lengths of 15-mm of CFF and SBF were randomly distributed in the soil mix at 1%, 3%, 5%, 7%, 9% and 11% by weight. In total, 525 samples of cubic (350) and prismatic (175) soil samples were prepared for each fibre type and tested in accordance with the guidance in the British standards for bulk density, water absorption, compressive strength and tensile strength at 14, 28, 56, 90 and 180 days. With the addition of 7% CFF and 5% SBF, soil brick samples were found to be 98.8% and 78.7% stronger respectively in compression compared to the control mix. Based on the experimental results the stress-strain model describing the soil bricks response to compressive loading for each fibre type was obtained via regression analysis.This study contributes original data to the characterization of soil bricks and provides reference values that can be considered for design purposes. The soil bricks thus developed will contribute to the provision of affordable and sustainable housing construction across the world, particularly in developing countries.

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“…Similar constitutive relationship for oil palm broom fibres reinforced concrete has been proposed by Momoh et al [47].…”

Section: Response Surface Models Of Soil Brick Propertiessupporting

confidence: 77%

Section: Response Surface Models Of Soil Brick Propertiesmentioning

confidence: 99%

Constitutive models for fibre reinforced soil bricks

Salih

Osofero

Imbabi

2020

Construction and Building Materials

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“…Although no significant improvement in compressive strength was recorded, the improvement in toughness implies a more ductile failure for the OPBF-concrete as against the inherent sudden brittle failure of plain concrete. An enhancement in splitting tensile strength of 1.2% at 28 days was also reported in the same study (Momoh and Osofero, 2019).…”

Section: Introductionsupporting

confidence: 79%

“…Like bamboo, the ribs of the leaflets of the oil palm tree, otherwise known as oil palm broom fibres (OPBF), have attracted research attention recently due to their impressive mechanical properties (Momoh and Dahunsi, 2017;Momoh and Osofero, 2019;. Average tensile strength of OPBF was reported as 389 MPa, density ranged from 450 -840 kg/m 3 and 24 hours water absorption was reported as 44.7%.…”

Section: Introductionmentioning

confidence: 99%

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Bond behaviour of oil palm broom fibres in concrete for eco-friendly construction

Momoh

Osofero

Menshykov

2021

Proceedings of the Institution of Civil Engineers - Constructio

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Global awareness towards climate changes and sustainability has attracted research into the use of natural materials in construction. Recent studies on the ribs of the leaflets of the oil palm tree -OilPalm Broom Fibres (OPBF), reported impressive physico-mechanical properties. However, information on their bond behaviour with cementitious matrices is presently lacking. This study investigates the bond strength of single and combined OPBF in concrete through direct pull-out tests.Maximum bond strengths of 1.16, 0.95 and 0.82 MPa were recorded at 28, 56 and 112 days respectively. The influence of age of sample and diameter of OPBF tendons on bond strength was observed. Images obtained from scanning electron microscopy reveal embrittlement of fibre surfaces by cement matrix. Finite element modelling of the pull-out behaviour was also carried out using ABAQUS. The potential use of OPBF combined in the form of tendons as longitudinal reinforcement in concrete for lightly loaded structural elements is environmentally friendly and can reduce construction cost.

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