Recent developments in the application of oil palm fibers in cement composites

Momoh, Emmanuel Owoichoechi; Osofero, Adelaja Israel

doi:10.1007/s11709-019-0576-9

Cited by 56 publications

(23 citation statements)

References 52 publications

(107 reference statements)

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“…The compressive strength test (CT) results of LFC specimens of density 600kg/m 3 , 1100kg/m 3 and 1600kg/m 3 respectively are displayed in Figures (8,9 and 10) indicating the test outcomes at 7days, 28days and 56 days. It was found that the compressive strength in all cases increases with age and is in direct correlation with LFC density and layer(s) of confinement in the specimens as supported by the literature [40]. The 56 th day compressive strength of LFC specimens confined with 1L-FGM,2L-FGM and 3L-FGM at 600kg/m 3 density was +58.94%, +137.89% and +168.42% respectively greater than unconfined/control specimens.…”

Section: Compressive Strengthsupporting

confidence: 79%

Influence of Bi-directional Fibreglass Grid Reinforcement on Drying Shrinkage and Mechanical Properties of Lightweight Foamed Concrete

Wani

2021

IJE

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This experimental work is about the study of drying shrinkage followed by strength testing of lightweight foamed concrete (LFC) specimens with the confinement of woven fiberglass mesh (FGM) at three different densities. The LFC specimens were wrapped with 1-layer to 3-layer(s) of FGM for cube and cylinder specimens and in beam specimens, it was centrally spread along the longitudinal axis. The specimens were cured under air storage conditions and the drying shrinkage test was carried following ASTM C157/C 157M specification on three prism-shaped '75mmx75mmx285mm' specimens. NORAITE PA-1 foaming agent was used to produce the desired density of LFC. All of 324 specimens were cast and tested for mechanical properties at 7days, 28days and 56days respectively. In compression strength test, cube dimensions of 100mm side following BS EN 12390-3:2009 was adopted. The flexural strength was conducted on '100mmx100mmx500mm' beam specimens following BS ISO 1920-8:2009. The specimens '100mm in diameter and 200mm in height' were tested for split tensile strength considering ASTM C496/ C496M-04e1 specifications. The results showed that confinement with 160g/m 2 (GSM) of FGM significantly restricts the drying shrinkage of LFC specimens compared to control specimens and it decreased with the increases in layer(s) from l-layer to 3-layer(s) and density of LFC. The testing of the mechanical properties of LFC showed a direct proportionality between strength and LFC density and confinement layer(s). The failure pattern observed in all specimens was either by debonding or splitting of fibers of FGM. Thus, LFC at 1600kg/m 3 density confined/reinforced with 3layers of FGM conquers the good performance in drying shrinkage and strength properties while the poor performance was shown by the unconfined LFC at 600kg/m 3 density.

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Section: Compressive Strengthsupporting

confidence: 79%

Influence of Bi-directional Fibreglass Grid Reinforcement on Drying Shrinkage and Mechanical Properties of Lightweight Foamed Concrete

Wani

2021

IJE

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“…Oil palm broom fibres (OPBF) are the ribs of the leaflets of oil palm trees. Studies on OPBF for engineering applications are very few and recent [9,10]. OPBF is presently mainly used as sweeping brooms in many countries around the world.…”

Section: Oil Palm Broom Fibres (Opbf)mentioning

confidence: 99%

“…The leaflets are first detached from the petioles, then the leaves are peeled-off the ribs; herein referred to as OPBF. The fibres are then tied into broom units only to be sold at local markets [9]. Each broom unit consists of between 150-200 individual fibres.…”

Section: Oil Palm Broom Fibres (Opbf)mentioning

confidence: 99%

Physico-mechanical behaviour of Oil Palm Broom Fibres (OPBF) as eco-friendly building material

Momoh

Osofero

Martínez‐Felipe

et al. 2020

Journal of Building Engineering

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Until recently, the rib of the leaflets of the oil palm tree was only used for making brooms due to its stiffness and durability. However, the mechanical properties of this fibre are unknown. Due to the geometrical variation of the cross-section of the fibres along their length, this study divided them into 4-categories. The result of this study reveals that the fibres have a specific gravity between 0.45-0.84 and diameter varying between 0.20 mm (at the tail) and 4.00 mm (at the cap). Maximum tensile strength of 900 MPa was recorded.Scanning electron microscopy of fibre cross-sections revealed graded cavities concentrated at the core but a densely packed cortex. This radial and longitudinal density gradient is responsible for the phenomenon whereby the fibres are stiffer in bending but possess reduced tensile strength towards the cap. Further investigations carried out on the fibres include water absorption, chemical composition and thermogravimetric analysis. The fibre is proposed for use as natural-fibre reinforcement in cement and polymeric composites as it is cheap, and void of high carbon footprints associated with the use of conventional reinforcement materials in construction.

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“…Possible uses of oil palm fibres in construction have been investigated and previous studies have shown possible applications of these fibres [12,15,18,[24][25][26][27][28][29][30][31][32]. Investigations into the engineering properties and possible applications of fibres obtained from different parts of the oil palm tree can also be found [27,33]. Types of oil palm fibres include; Empty fruit bunch fibres (EFBF), frond fibres (OPFF), trunk fibres (OPTF) and broom fibres (OPBF).…”

Section: Oil Palm Fibresmentioning

confidence: 99%

Use of oil palm broom fibres for eco-friendly concrete

Momoh¹,

Osofero²

2019

Sustainable Construction Materials and Technologies (SCMT)

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The use of vegetative fibres in reinforcing concrete is currently attracting research attention because it is void of the high carbon footprint and cost associated with use of conventional reinforcements like steel. One of such vegetable fibres is the ribs of the leaflets of the oil palm tree whose only use has been for making brooms. However, these ribs referred to as Oil Palm Broom Fibres (OPBF) have mechanical characteristics similar to steel and can be incorporated in concrete to improve its mechanical properties. With a specific gravity of 0.84, an average length of 800mm and cross-sectional diameter varying between 0.20mm (at the tail) and 4.00mm (at the head), maximum tensile strength of 900MPa was recorded in the study, hence making the fibres superior to steel in terms of strength-to-weight ratio. Optical microscopy of fibre cross sections reveals randomly dispersed xylem cavities, a densely packed core but lightly packed cortex. This radial and longitudinal density gradient is responsible for the phenomenon whereby towards the cap of the fibres, the fibres are stiffer in bending but reduces in tensile strength. Investigation of mechanical properties of concrete incorporating OPBF as random fibre-reinforcement was carried out. Although the inclusion of OPBF in concrete reduces its compressive strength, the post-yield behaviour shows that energy absorption of the composite is enhanced, making OPBF-concrete a potential material for low-cost seismic construction.

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Recent developments in the application of oil palm fibers in cement composites

Cited by 56 publications

References 52 publications

Influence of Bi-directional Fibreglass Grid Reinforcement on Drying Shrinkage and Mechanical Properties of Lightweight Foamed Concrete

Influence of Bi-directional Fibreglass Grid Reinforcement on Drying Shrinkage and Mechanical Properties of Lightweight Foamed Concrete

Physico-mechanical behaviour of Oil Palm Broom Fibres (OPBF) as eco-friendly building material

Use of oil palm broom fibres for eco-friendly concrete

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